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Jonas


Last seen: 9 dagar ago |  Active since 2020

Programming Languages:
C++, Java, MATLAB
Spoken Languages:
English, French, German

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Answered
how to: multiple choises in if-function
looks good, but you could increase readability e.g. by using the ismember function alphabet = ["A" "B" "C" "D" "E" "F" "G" "H" ...

16 dagar ago | 2

Answered
How to make a Subplots using set(gca,'position') command?
you could create the axes by yourself and set the positioning as you did figure('Color',[0.9 0.9 0.9]); % create figure and use...

21 dagar ago | 0

| accepted

Submitted


partially logarithmic plots
This function allows to plot with x or y axis divided into a logarithmic and linear part.

ungefär en månad ago | 3 downloads |

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Submitted


Data Live Acquisition Live Multi Channel
Mainly see reference to original work. Contains app designer files, exported m files and an .exe of the app

ungefär en månad ago | 4 downloads |

Answered
automatic refresh webread data
create a timer object, use a method for repeated execution and add the callback EDIT: e.g. function doStuff() intervalInS=...

ungefär en månad ago | 0

Answered
ListBox MultiSelect simulate always with Ctrl modifier?
I tried to circumvent the ctrl modofier in such a way, that I look into the event's previous value and delete/save as necessary....

ungefär en månad ago | 0

| accepted

Question


ListBox MultiSelect simulate always with Ctrl modifier?
dear community, can someone check the ListBox MultiSelect Example from the documentation for me? It does not work for me, I can...

ungefär en månad ago | 1 answer | 0

1

answer

Answered
I need help plotting points with * symbol at intervals equal to Ts = 1/fs = 1/7s (Here is my code)?
to plot with * symbol, add it to the plot command, e.g. plot(1:10,rand(10,1),'*') if you still need a line, add a line style: ...

ungefär en månad ago | 0

Answered
How to compress 32 bit bmp images to 8 bit bmp?
you can stretch and compress it on your own, just as you want im=imread('new.png'); im=rgb2gray(im); class(im) imshow(im); ...

ungefär en månad ago | 0

| accepted

Answered
How do I find the centre of an image?
you can use regionprops for that and let the function return the centroid. This may be the cetner you are searching for. If you...

ungefär en månad ago | 0

Answered
x(t) = -u(t-3)+2u(t+1)-2u(t-1)+u(t-3)
please check your given equation, the last and first term cancel out each other. Nevertheless, i kept both of them in the code b...

ungefär en månad ago | 0

Answered
How to capture whole app.UIFigure with exportapp?
you could try to temporarly increase the figure size, export it and restore old behavior %% create ui figure with three but...

ungefär en månad ago | 0

Answered
Index exceeds the number of array elements. Index must not exceed 1.
you can initialize your array before the loop a1=0.7;a2=0.1; omega1=20;omega2=40; G=10;C12=0;C21=0.003; dt=0.01; %step siz...

ungefär en månad ago | 0

Answered
How to extract data from a table format HTML?
without digging deeper into html, we can use just text seach: d=webread('http://www.knapsackfamily.com/knapsack_core/informatio...

ungefär 2 månader ago | 1

| accepted

Question


How to ensure that a MATLAB executable can communicate with NI Data Acquisition Cards
Dear community, I want to create a small Matlab GUI which can handle NI DAQ devices. Later, I want to compile my application to...

ungefär 2 månader ago | 0 answers | 0

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answers

Answered
How to interpolate a set of data wher the X size is different for the Y size
you can usw meshgrid to prepare your xq and yq: Y=9:13;X=1:2:5;Z=rand(5,3); [xq,yq]=meshgrid(1:0.5:5,9:0.5:13); inter...

ungefär 2 månader ago | 0

Answered
Find number in vector
find(A>3,1)

ungefär 2 månader ago | 1

| accepted

Question


Reading uint8 from raw data takes much more RAM then expected
I am trying to read some MB of data from big files of several GB. I am using the follwing code: fid=fopen(filename,'r'); fseek...

2 månader ago | 1 answer | 0

1

answer

Answered
Help in 2D plot of coefficients
why not use normal plot command? RealCoefficient= [0.0723, -11.0000, 0.001, 0.0011, 0.0012, 0.0013, 0.0014, 0.0015, 0.0016, 0.0...

2 månader ago | 0

| accepted

Question


audioDeviceReader: error when choosing ASIO driver for input mic
Dear community, I have an error when I want to choose the Device for the audio device reader interactively. Altough the String ...

2 månader ago | 0 answers | 0

0

answers

Answered
open software and run script via command line
without looking into the detail, you have to chain commands in the system commands using a & sign also: use the output argument...

3 månader ago | 1

Answered
How to put subscript in uilabel text and can I specify location on same line?
for subscript, use other text interpreters, e.g. tex uilabel("Text","K_a","HorizontalAlignment","center",'Interpreter','tex'); ...

3 månader ago | 1

| accepted

Answered
Smoothing curve plot with some data points
x = [-27.59;-32.36;-32.36;-24.99;-25.12;-32.62;-37.62;-42.62;-37.62;-37.62;-40.11;-40.11;-37.61;-33.36;-29.11;-27.11;-25.11;-20....

3 månader ago | 0

| accepted

Answered
Is it possible to use vertcat with dot notation?
if you just want to have all file names available, you could use { } e.g. in a cell array {filename.name} if you do not need ...

3 månader ago | 1

Answered
Action on close of spectrumAnalyzer() object/windows
alright, I now got it. we can close and open the scope Window using show(scope) and hide(scope) und we can check if the scope wi...

3 månader ago | 0

| accepted

Answered
Action on close of spectrumAnalyzer() object/windows
my insight so far: I have seen, that a new Process is created, and the Window Name has the title "Spectrum Analyzer". we could ...

3 månader ago | 0

Answered
How to plot two .fig file as subplots in a new figure window ?
here a kind of manual solution, adapted from the function given on file exchange: h(1) = openfig('fog.fig','invisible'); ax(1)...

3 månader ago | 0

| accepted

Answered
matrix per minute in plot per hour
you mean something like that? or do you want another format? plot((1:96)/4,rand(96,1)); xticks(0:3:24) xlim([0 24]); xlabel(...

3 månader ago | 0

| accepted

Answered
How to save a high resolution image in MTALB?
exportgraphics() is available since 2020a which release are you using?

3 månader ago | 0

| accepted

Answered
How do I make a specific range of numbers and increment?
use colon operator T=100:50:500

3 månader ago | 0

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