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28,939 results in File Exchange

Extract data from line plots in a MATLAB Figure

Version 1.0.0 by Jagadeesh Korukonda

This function will extract data from the given axes of the Matlab figure.

This function used to extract (x,y) data from the matlab figure.It will work with multiple lines also.syntaxx = -pi:pi/25:pi;y = sin(x);plot(x,y,'-k'); hold on[x,y] = myfigextract(gca);indices =

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  • Community
  • 23 Sep 2023

Digitize_Plotted_Data

Version 1.0.0 by Andrea Baldi

Extract data points from any plot

Digitize_Plotted_DataExtract data points from a plotInstructions:Run the script and select an image of the plotEnter the values of the x and y boundaries of the dataSpecify if the x and y axes are

- Graphical input from mouse with zoom, pan, plot and scaling.
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  • 16 Apr 2022

getfigdata

Version 1.2.0.0 by M. A. Hopcroft

Extracts data from the lines in a .fig figure file. Version 1.2.

More than once, I have found an old .fig file, but I can't find the data set that was used to create it. getfigdata.m will examine a figure and return the data for all of the lines in a figure.

- extracts the data from the lines on a plot
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  • 29 Apr 2024

Extract X and Y data points from a plot

Version 1.2.0.0 by Kevin Michael

Open the figure, run the script, and get back your plotted data points.

Often times, you would have plotted some data and deleted them, but would have saved your figure file. How do you get back the data points from the figure? Open the figure, run this script, and you

- Script to extract X and Y data from an opened figure
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  • 1 Feb 2016

Extracts data points as a vector from a scanned plot (*.tif)

Version 1.0.0.0 by Balajee Ananthasayanam

Extracts data points as a vector from a scanned plot (*.tif).

This program extracts the data points from a plot that is scanned from any paper or a journal article. This is very helpful for people who wants to extract the data and over plot with their data.

- % This function extracts data from plots that are scanned
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  • 5 Jan 2005

DigiGraph

Version 1.0.0.0 by Arun K. Subramaniyan

Digitizes images and extracts data from plots

DigiGraph is a digitizer. DigiGraph makes it easy to digitize entire plots. It is designed to extract line plots. However, it is possible to extract fine detail from a digital (or scanned) photograph

  • 2.7K (All time)
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  • 15 Jan 2007

Extract contour data from contour matrix C

Version 1.0.0.0 by Duane Hanselman

Extract contour data created by CONTOUR, CONTOURF, CONTOUR3, and CONTOURC.

CONTOURDATA Extract Contour Data from Contour Matrix C.CONTOUR, CONTOURF, CONTOUR3, and CONTOURC all produce a contour matrixC that is traditionally used by CLABEL for creating contour labels.S =

- CONTOURDATA Extract Contour Data from Contour Matrix C.
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  • 31 Oct 2012

Making Surface Plots From Scatter Data

Version 1.0.0.1 by Zain Mecklai

How to turn a collection of XYZ triplets into a surface plot.

How do you turn a collection of XYZ triplets into a surface plot? This is the most frequently asked 3D plotting question that I got when I was in Tech Support. This submission explains how.

- Making Surface Plots From Scatter Data
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  • 1 Sep 2016

Extract data from a matlab figure (.fig) file

Version 1.0.0.0 by Pradyumna A

To extract data from a matlab figure (.fig) files generate using version 7 or later.

To extract data from a matlab figure (.fig) files generate using version 7 or later. It can be used for both 2D and 3D plots

- To unplot data from a matlab figure (.fig) files generated
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  • 19 Jan 2012

Collect and plot data from a TCPIP server in real time

Version 1.0.0.1 by Ankit Desai

Obtain real time data from a TCPIP object using Instrument Control Toolbox and visualize it live.

This example demonstrates how to automatically read a set number of data bytes as and when they are available. This MATLAB® script also generates a real time plot of streaming data collected from the

- Real Time Data Stream Plotting Example
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  • 1 Sep 2016

Digitizer

Version 1.9 by Chris Wilkening

Digitize chart data from an image.

Digitizer extracts data points from an image file. Plots in X/Y and Polar can be digitized.Demonstration of usage can be found at: https://youtu.be/zNYWioXi98wDigitizer is an app where you load an

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  • 5.0 / 5
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  • 6 Nov 2025

Boundary extraction (identification and tracing) from point cloud data

Version 1.0 by Mohammad Awrangjeb

For any input point set the algorithms are able to not only identify boundary edges, but also trace.

The algorithms can:1) extract (identify and trace) both outer and inner boundaries separately from the input point set,2) work on any type of input point sets,3) extract boundaries separately from

- XA generated from shape_gen() function
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  • 12 Dec 2016

GUI utility to extract x, y data series from MATLAB figures

Version 1.0.0.0 by Tingyue Gu

Extract x and y data series from a MATLAB figure to a Microsoft Excel file.

the figure may have different x ranges. This utility can be easily expanded to extract x, y, and z data series from a 3-D figure. MATLAB R14 or higher is needed. This utility is compiler ready.

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  • 19 May 2009

surfir - Surface plot from irregular data points

Version 1.0.0 by Hauke Gravenkamp

surfir takes vectors of data points x,y,z and creates a surface plot - similar to surf but for irregularly spaced data.

even be non-convex. You want to visualize the function as one of those nice surface plots. 'surf', however, requires the data to come in the form of a mesh grid, which is not easy to obtain if you don't

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  • 16 Mar 2020

getDataTips - Get data tip text and handles

Version 1.0.1 by Adam Danz

Extract data tip text and handles.

getDataTips() - prints content of all existing data tips in the current figure to the command window.getDataTips(h) - specify an array of figure or axis handles. content = getDataTips(__) - stores

- returns content and handles to existing data tips.
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  • 29 Oct 2020

ashape: a pedestrian alpha shape extractor

Version 1.3.0.0 by us

extracts 2d alpha shapes from a set of x/y data points

ASHAPE is a simple wrapper for ASLIB, which implements several (optimized) subroutines to extract and display 2d alpha shapes and alpha patches from a set of x/y data pointsASLIB returns a structure

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  • 13 Apr 2010

Extract text from a PDF document

Version 1.0.0.0 by Dimitri Shvorob

(if you are lucky)

The submission calls on PDFTextStripper class of Ben Litchfield's PDFBox Java library to extract text from a PDF document.1. Download PDFBox library from http://sourceforge.net/projects/pdfbox/2

- Purpose : Demonstrate extracting text from a PDF file using PDFBox Java library
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  • 4 Apr 2016

Extract data from contour isolines

Version 1.0.1 by Angelo De Fenza

The script show how identify the x,y coordinates of a specific isoline of a contour plot and the calculation of the respective areas.

The script show how identify the x,y coordinates of a specific isoline of a contour plot and the calculation of the respective areas.

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  • 5 Apr 2019

plot spread points (beeswarm plot)

Version 1.2.0.0 by Jonas

plotSpread plots distributions of data points, adding jitter to the points to avoid overlap.

plotSpread allows creating "beeswarm plots", i.e. point distributions where jitter has been added to the data points to avoid overlap.It further allows specifying groups within the data to show the

- PLOTSPREAD plots distributions of points by spreading them around the y-axis
- MYERRORBAR Adds errorbars to existing plot (unlike errorbar.m, which creates a new plot, and allows only bars for y values)
- ISEVEN checks whether a number is even
- REPEATENTRIES fills a matrix with k repeats the rows of the input matrix
- DISTINGUISHABLE_COLORS: pick colors that are maximally perceptually distinct
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  • 11 Feb 2017

Contour Plot for Scattered Data

Version 1.0.0.0 by Duane Hanselman

Triangular Contour Plot

TRI, such as that returned by DELAUNAY. Each row of TRI contains indices into the X,Y, and Z vertex vectors to define a single triangular face. Contours are computed directly from the triangulation

- TRICONTOUR Triangular Contour Plot.
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  • 31 Oct 2012

Plot The Data From Simulink Scope

Version 1.2.0.0 by Lv Jiyuan

Easily plot the data from scope and add title , xlable and so on with a single statement.

You can easy plot the data from simulink scope with title , xlable and so on by this function.For example, D0(ScpoeData,'r') will draw a red line in figure whose data is from scopedata you saved. And

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  • 17 Dec 2008

extract_data_from_figures

Version 1.0.0 by Chetanya

This function extracts multiple data plot values from figure files in Matlab.

%%% % Input : File name % with multiple plots in a single file% Output : struct data% : data.names contains names of the display object Yvalues% : data.Y contains the

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  • 6 Nov 2019

GRABIT

Version 1.0.0.1 by Jiro Doke

Extract (pick out) data points off image files.

GRABIT Extracts data points from an image file.GRABIT starts a GUI program for extracting data from an image file. It is capable of reading in BMP, JPG, TIF, GIF, and PNG files (anything that is

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  • 1 Sep 2016

Data Theif

Version 1.1.0.0 by Adnan

DataTheif Helps you to extract data points from graphs.

You can scan a graph from a printed publication and load it using DataTheif, and then extract data points from it.

- By Adnan M El Makdah
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  • 7 Jun 2018

Extract image files from GIF

Version 1.0.0.0 by Pedro Rodenas

Extract image files from GIF

This script stract image files in your desired format from gif. You must indicate the name of your GIF and the name of your output images.nombre = strcat('name', num,'.jpg');name1.jpgname2.jpg

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  • 20 May 2017

Extract 2D images from 3D volume image data

Version 1.0.0.0 by Rex Cheung

This m-script slices 3D image file in MovingMask.raw in 2D images.

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  • 28 Mar 2012

Extract Slice from Volume

Version 1.5.0.0 by pangyuteng

ExtractSlice extracts an arbitrary slice, both intensities and indices, from a given volume.

ExtractSlice extracts an arbitrary slice, both intensities and indices, from the input volume given the center and normal of the slice. If you are familiar with IDL, this is the equivalent function

- extractSlice extracts an arbitray slice from a volume.
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  • 12 Aug 2011

Hydraulic Valve Parameters From Data Sheets and Experimental Data

Version 1.7.0.1 by Steve Miller

Models and white paper on obtaining realistic parameter values from data sheets and measured data.

examples. Please read the README.txt file to get started.For an explanation of valve modeling and several of the examples contained in this submission, please watch, “Hydraulic Valve Parameters From Data

- Script to plot manufacturer's frequency response characterstic
- Script to plot flowrate error
- The file is a script file that provides data of a specific directional
- Script to produce plot explaining method of calculating phase in time
- Script to compare frequency response to
- Checks the result of optimization by plotting phase characteristics at
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  • 1 Sep 2016

Plot Arduino data on MATLAB

Version 1.0.0.0 by Nishant Kumar

Plot Serial Data comming from Arduino

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  • 22 Apr 2015

Data density plot

Version 1.1 by Malcolm McLean

Plots data density of a two-dimensional distribution for human viewing.

Data density can be hard to read from scatter plots due to overstriking. I therefore calculate data density at each pixel as the reciprocal of the sum of squared distance from each point, adding a

- DATADENSITYPLOT Plot the data density
- DATADENSITY Get a data density image of data
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  • 29 Nov 2014

Bullseye Polar Data Plot

Version 1.0.0.0 by Daniel Ennis

This function creates smooth patches of polar data in "bullseye" plot.

BULLSEYE plots patch data in polar coordinates. The DATA matrix is mapped to a bullseye plot as follows. The matrix rows are mapped to the circumference and matrix columns are mapped to radial

- BULLSEYE plots patch data in polar coordinates. The DATA matrix is
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  • 31 Mar 2016

Collect and plot data from an instrument in real time

Version 1.0.0.1 by Ankit Desai

Real time data collection & plotting using query based instrument interactions.

This MATLAB(R) script generates a real time plot of voltage values collected from an Agilent(TM) 34401A Digital Multimeter over the serial port(RS232). The data is collected and plotted until the

- Real time data collection example
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  • 1 Sep 2016

Directly Extract Part Of Speech (POS) Information from MeCab

Version 1.0.0 by Toru Ikegami

The functions in this repository enable to extract direct output of MeCab tokenizer. 形態素解析器MeCabの品詞分類を直接読み出すためのラッパー関数です.

`tokenizedDocument` and `tokenDetails` that enable to extract direct output of MeCab tokenizer.The Japanese tokenizers (MeCab) used in MATLAB Text Analytics Toolbox consolidates POS output (69 kinds) from the MeCab

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  • 7 Jul 2020

Extract values from a deeply nested Struct for a designated fieldname

Version 1.2.0.0 by Yung-Yeh Chang

Useful tool for searching and collecting values in a tree data type STRUCT with specific fieldname

STRUCTVAL is a convenient tool that extracts values from a deeply nested Struct for a designated fieldname. Assuming you have a data set that is constructed with the same property and stored in a

- Collect values from specific field in a STRUCT
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  • 12 Jun 2017

3D Surface Plots from Excel Data GUI

Version 1.20.0.0 by Christopher Rouxel

Upload data from Excel and plot in 3D as a scatter plot, lsq curve fit, contour plot and others.

Allows users to import data from excel and easily create 3D graphs in Matlab. Capable of exporting and importing Z axis matrices, exporting pictures of the graphs, automatic labeling of the surfaces

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  • 16 Sep 2011

Download Daily Data from Google and Yahoo! Finance

Version 1.1.0.0 by Michael Weidman

Provides functions for getting data from both data sources as well as helper utility functions

This archive contains functions for downloading daily stock price information from both Google and Yahoo! Finance as well as helpful utility functions. It furthermore contains a (basic but decent

- Script to re-create Daily Data for tests
- getGoogleDailgData gets the OHLC, volume, and adjusted closing prices for
- getYahooDailyData gets the OHLC, volume, and adjusted closing prices for
- GETYAHOODAILYDATA scrapes the Yahoo! Finance website for one or more
- GETGOOGLEDAILYDATA scrapes the Google Finance website for one or more
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  • 4.9 / 5
  • Community
  • 10 Jan 2014

Extract Text from Multiple PDF files across Multiple Folders

Version 1.0.0 by Samuel Veith

When you have desired text in PDF documents saved in many folders

conventional PDF text reader. This code was primarily put together from two sources. I recommend reading the first link as you must download the toolbox for this code to work. Extract text from single document

  • 104 (All time)
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  • 5.0 / 5
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  • 10 Sep 2019

plot2points

Version 1.0.2 by Christian Cahig

Extract data points from a 2D graph.

This function extracts a user-defined number of data points from a given image of a black-and-white graph.

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  • 2 Sep 2019

Data Acquisition Toolbox Support Package for National Instruments NI-DAQmx Devices

Acquire and analyze data from NI-DAQmx devices.

Data Acquisition Toolbox™ Support Package for National Instruments® NI-DAQmx Devices enables you to communicate with the National Instruments hardware remotely from a computer running MATLAB®. Using

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  • 2.4 / 5
  • MathWorks
  • 22 Jul 2026

Matlab function for extraction of phase from interferogram

Version 1.0.0.0 by Dong-Gyu Jang

phase of the interferogram is extracted.

: extracted phase in form of matrix (radian unit)where data and peak_width are interferogram data (= imread(*.bmp) or imread(*.png)) and width of the side peak in frequency space, respectively. Smaller wide

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  • 4 Nov 2015

Analyzing Weather Data from an Arduino-based weather station

Analyze data from a weather station connected to ThingSpeak

This example illustrates how to analyze data from a weather station connected to ThingSpeak, an IoT analytics platform. The data is visualized and analyzed in MATLAB. The example shows how to

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  • 2 Oct 2019

Industrial Machinery Anomaly Detection

Version 1.1.3 by Rachel Johnson

Train an autoencoder on normal operating data from an industrial machine to predict anomalies.

Industrial Machinery Anomaly DetectionThis example applies various anomaly detection approaches to operating data from an industrial machine. Specifically it covers:Extracting relevant features from

- Extract data from normal or abnormal operating conditions
- Visualize all three channels of vibration data
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  • 30 Sep 2021

Extract numbers only

Version 1.0.0.0 by P

extract only numbers from text file

This is inspired by Peder's READTEXTand use it to extract numbers only and output an array of only numerical value. The input file can be any numbers mixed with text, symbols,as long as the numbers

  • 2K (All time)
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  • 19 May 2016

Violin Plot

Version 1.7.0.0 by Holger Hoffmann

Violin Plot based on kernel density estimation, using default ksdensity

. Key Features:a) Specify plotting features as facecolor, edgecolor, etc. b) Provide data with variable column length as cells if wanted, e.g. Y = [100x1 double] [10x1 double]c) Plot Violins on the

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  • 3 Nov 2015

extract_subplot_image

Version 1.0.0.0 by Chris Clayton

Extract image data from saved fig file

A ".fig" file may have several images embedded within. This function allows you to "find" the image data (findobj) and "get" the image data (cdata) from an open ".fig" file. If the original data is

- function extract_subplot_image(hh,nimage)
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  • 19 Jun 2006

Graph Digitizer

Version 1.3.1 by Andrey Shapkin

The Graph Digitizer Tool is a MATLAB script that enables users to extract data points from graphs in images.

The Graph Digitizer Tool is a MATLAB script that enables users to extract data points from graphs in images. The graphical interface allows users to load an image, select the desired region, and

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  • 13 Nov 2024

sel_and_del Interactively select and delete points from a 2D plot with the mouse

Version 1.0.0.0 by José-Luis

Left click selects a point and right click unselects it.

sel_and_del Obtains a line object xy data from thecurrent figure and axes and proceeds to the interactive selection of the points to delete. Only one line object per axes is supported. [del_points new_dataset

  • 1.5K (All time)
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  • 27 Aug 2009

Extracting Data from BIWI Head pose data base into Matlab (Full)

Version 1.0.0.0 by Soumitry J Ray

This submission reads depth images and the ground truth frame by frame from the database.

BIWI Kinect Headpose Data base: This data base has 15000 head poses along with the ground truth of head orientation and location. Below is the URL

  • 849 (All time)
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  • 17 Sep 2012

Graphical data selection tool

Version 1.0.0.0 by John D'Errico

A graphical tool to modify your plots and locate data points

application. It could also be useful when called directly from the commandline to identify data points or sets of points on a plot, or to delete points (outliers) from a plot. It can be used to return the

- selectdata: graphical selection of data points on a plot using the mouse
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  • 4.9 / 5
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  • 20 Feb 2007

3D Polar Plot

Version 1.2.0.0 by Ken Garrard

Plots 3d polar data with polar axis and polar grid

Polarplot3d produces surface, mesh, wireframe and contour plots for three dimensional polar data. A labeled polar axis is drawn at a fixed height or it can follow the surface contour at maximum

- POLARPLOT3D Plot a 3D surface from polar coordinate data
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  • 4 Mar 2016

Delay Embedding Vector From Data

Version 1.0.0.0 by Héctor Corte

This scripts creates delayed vectors from data vector. You can chose delay and embedding dimension.

with data from a dynamical systemembed_dimen = this is the dimension we are using to embed datadelta = this is the delay between data.OUTPUTS: Y = this is a matrix where row n is the vector X(n)

  • 1.1K (All time)
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  • 8 Jan 2012

Import Data from Text Files Generated by Cosmed FitMate

Version 1.0.0.0 by John Rogers

Import Cosmed FitMate metabolic data text files into MATLAB.

format, followed by metabolic data in columns. 2. main program readFitmateShell.m calls the function, converts the time to minutes, and plots heart rate and oxygen consumption (VO2).3. function

- Import data from text files saved by the Cosmed Fitmate Med device
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  • 27 Feb 2012

Surface Reconstruction From Scattered Points Cloud

Version 1.0.0.0 by Luigi Giaccari

Surface from 3d points

Allows to extract manifold surface from 3d scattered points. Shape can even be non-convex but must represent a closed volume

  • 2.1K (All time)
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  • 14 Jul 2017

Import data from SAS

Version 1.0.0.0 by Dimitri Shvorob

(via Excel; with SAS/ACCESS and ActiveX Automation Server)

MySQL-mediated data transfer, discussed in 'The Twain Shall Meet: Facilitating Data Exchange between SAS and Matlab' (see link below).

- SASREAD Read data from a SAS dataset
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  • 4 Apr 2016

extractFigData

Version 1.0.0.0 by Damith Senaratne

Extracts XData & YData for each line given a Figure.

Extracts XData & YData for each line given a Figure.This method could be useful where old simulation results have been saved only as figures.Accepts a handle to the figure. The current figure is

- extractFigData
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  • 12 Aug 2011

gblk: a pedestrian data block extractor

Version 1.0.0.0 by us

gblk computes segment/offset parameters for very fast extraction of data blocks from a matrix

reused to extract data from other matrices of the same size.the templates can be modified to extract only selected data blocks and/or to extract only selected values from a data block.CELLFUN can be used

- GBLKto extract data blocks from a 2D matrix
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  • 27 Apr 2007

HDF 5 Data extractor

Version 1.0.0.0 by Daniel Buckton

Extracts data from a HDF5 file and returns it as structure to MATLAB.

Extracts data from a HDF5 file and returns it as structure to MATLAB. This uses nested looping and is limited to 16 structures deep. Naturally you can change this.

- HDF5 Extract read and return HDF5 data.
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  • 28 Mar 2007

Polar contour plot

Version 1.0.0.0 by Richard Rieber

Creates a contour plot from polar coordinates

Have you ever wanted to do a contour plot of data in polar coordinates but didn't want to go through the hassle of converting it all to Cartesian coordinates? Well if so, here's your answer. A

- POLARCONT Polar contour plot
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  • 4.4 / 5
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  • 18 Jun 2007

Nano3_GY521_data_plot

Version 1.0.1 by Andrey Kiselnikov

Reading and visualizing data from GY521 module

  • 161 (All time)
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  • 13 Feb 2019

Code for Webinar "Signal Processing and Machine Learning Techniques for Sensor Data Analytics"

Version 1.0.0.0 by Gabriele Bunkheila

Code from Webinar "Signal Processing and Machine Learning Techniques for Sensor Data Analytics"

These files contain all the code necessary to run the example in the Webinar "Signal Processing and Machine Learning Techniques for sensor Data Analytics". They also include code to automate the

- featuresFromBuffer Extract vector of features from raw data buffer
- prepareData Extract relevant data from Human Activity Recognition dataset
- featuresFromBuffer Extract vector of features from raw data buffer
- Extract features from pre-saved buffered signals
- IMPORTFILE Import numeric data from a text file as a matrix.
- IMPORTFILE Import numeric data from a text file as column vectors.
- IMPORTFILE Import numeric data from a text file as column vectors.
- Extract predictors and response
- predictActivityFromSignalBuffer predicts an activity ID from the (Nx3)
- Human Activity Classification example - Data Preparation Script
- getRawAcceleration helps retrive acceleration data from relevant file
- isAllPreparedDataAvailable checks if all the data is available
- plotAccelerationColouredByActivity Plots acceleration colored by activity
- plotPSDForGivenActivity Compare PSD of one activitiy across all subjects
- runTrainedNetworkOnBufferedData summarizes the complete example
- plotCompareHistForActivities Compare histograms of activity pairs
- plotPSDActivityComparisonForSubject Compare PSD of two activities
- plotCorrActivityComparisonForSubject Compare autocorrelation of two activities
- addActivityLegend adds a relevant legend to plots displaying signals or
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