Lily

Active since 2012

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Is it possible to compute Cross entropy for support vector machine?
Hallo Is it possible to compute cross entropy (CE) for support vector machine (SVM)? For example for this gerneral problem: ...

mer än 10 år ago | 2 answers | 0

2

answers

Question

Generate a standalone matlab function for support vector machine (SVM)?
Is it possible to generate a standalone matlab function for support vector machine (SVM) classification methods in MATLAB? That ...

mer än 10 år ago | 1 answer | 0

1

answer

Question

Adding new test dataset to Neural Network
I want to add a seperate test dataset into the Pattern recognition neural network. I have following datasets: * input - 911*...

mer än 10 år ago | 1 answer | 0

1

answer

Question

Locating center of datapoints
I want to find the center of data (X and Y coordinates) and if all data points are plotted the outer line represents a circle. H...

ungefär 11 år ago | 2 answers | 0

2

answers

Question

Computing the mean over 3 numbers in a vector
Hi I have a vector that I want to find the average over each 3 numbers. So if I have a vector A and sampling it over 3 I woul...

mer än 11 år ago | 2 answers | 0

2

answers

Question

Fitting datapoint to a x-axis on a figure
I'm trying to fit the x-axis on my figure so that there will be an nearly equal spacing between data points. Especially minimize...

mer än 11 år ago | 1 answer | 0

1

answer

Question

x-coordinate for specific point in a triangle
I'm trying to find a x-coordinate for the point (x,12) in triangle. The points of the are: A = (0.2, 10) B = (0.5, 10) ...

mer än 11 år ago | 2 answers | 0

2

answers

Question

Convert a string to number
Hi, I want to convert a string into a number however I don't want to use str2num since I loose extra digits (see example below)....

mer än 11 år ago | 2 answers | 0

2

answers

Question

Steparate a sting using strtok function
Hi I'm trying to separate a string (a-b-c-d) into three parts or a-b c d. I would like to use strtok function ( <http://www.m...

nästan 12 år ago | 2 answers | 1

2

answers

Question

Suming data over 10 sec period
Hi I'm trying to sum my findings over 10 sec period of time. My test data is: C = [2 3 5 1 0 9 8 7 3 0 2 3 8 0 8]; %data...

ungefär 12 år ago | 3 answers | 0

3

answers

Question

Delete rows for specific elements from a matrix
Hi I'm trying to delete all rows if the second and third element is equal to zero. My if-else sentence doesn't work. Could yo...

ungefär 12 år ago | 1 answer | 0

1

answer

Question

Bar with errorbars on the same figure
Hi I'm trying to plot bar with errorbars on the same figure. I tryed to use barweb (<http://www.mathworks.com/matlabcentral/f...

ungefär 12 år ago | 2 answers | 0

2

answers

Question

Counting changes binary number batch
Hi If I have a binary data f.ex. (see data below) would it be possible to count how often it changes and say that we don't coun...

nästan 13 år ago | 1 answer | 0

1

answer

Answered
color histogram matlab codes
HI I like this one: colormap summer But here is a link for more color schemes: http://www.mathworks.se/help/matlab/ref/...

nästan 13 år ago | 0

Question

Inbuilt function that allows to count plus and minus signs of numbers?
Hi Is there a function inbuilt into MATLAB that allows you to count plus and minus signs of numbers? F.ex. if your data was: ...

nästan 13 år ago | 1 answer | 0

1

answer

Question

X-axis: Construct with hourly respect
HI I'm trying to construct a x-axis with respect to hours. My codes can be seen below but I'm trying to construct an 24-hour on...

nästan 13 år ago | 1 answer | 0

1

answer

Question

Load many files from the same folder using the each letter from the alphabet as a file name
Hi I want to load many files from the same folder using the each letter from the alphabet as a file name is it possible? I'm...

nästan 13 år ago | 1 answer | 0

1

answer

Question

FIGURE: plot monthly data and only present the years
Hi I'm trying to plot monthly data and only present the years on the x-axis. Is this method correct? startdate = datenum('...

nästan 13 år ago | 1 answer | 0

1

answer

Question

Fuzzy K-means clustering in 2012a MATLAB
Hi Is there an inbuilt function or good gode for 2012a MATLAB for the meothod Fuzzy K-means clustering or Fuzzy C-means cluster...

nästan 13 år ago | 0 answers | 0

0

answers

Question

Display mean +/- std in a table or matrix
Hi, is it possible to display in a matrix or table (e.g. uitable) numbers like: 5 setstr(177) 4.5 6 setstr(177) 6.4 where...

nästan 13 år ago | 2 answers | 0

2

answers

Question

Extract from lines from matrix that do not contain NaN
Hi I'm trying to ignore NAN from my matrix A and only use the lines that contain numbers. For expamle if my matrix is: ...

ungefär 13 år ago | 1 answer | 0

1

answer

Question

Error between each pixel for two matrices of equal size
Hi I'm trying to find the error between to matrices of equal size. Let's say that my matrices are of size 4x4 : A = [0 1...

ungefär 13 år ago | 2 answers | 0

2

answers

Question

Add a title to uitable
Hi Is is possible to add a title, like in a figure, onto a uitable ( <http://www.mathworks.se/help/matlab/ref/uitable.html>)?...

ungefär 13 år ago | 1 answer | 1

1

answer

Question

Labeling x-axis in bar function in a figure
Hi Is it possible to label the xabel on figure 1 with words (see code below) i.e. 1 would be come 'mean' and 2 would be come ...

ungefär 13 år ago | 1 answer | 0

1

answer

Question

Open folder in Matlab
Hi I'm trying to open folder let's call it FolderA (Here is the directory: 'C:\Users\Usersname\Desktop\FolderA')in MATLAB tha...

ungefär 13 år ago | 1 answer | 0

1

answer

Question

How to construct a table with several matrices
Hi. Is is possible to construct a table in MATLAB that contains four matrices? That is, if I were to have four matrices: ...

ungefär 13 år ago | 5 answers | 1

5

answers

Question

Finding the diagonal vector from a square matrix
Hi I'm trying to find the diagonal of an square matrix but NOT the diagonal vector of the matrix from left to right. I'm tryi...

ungefär 13 år ago | 1 answer | 0

1

answer

Question

Constructing a matrix from several diagonal matrixes (the code is included)
Hi I'm trying to construct a matrix from 5 diagonal matrixes that are repriceted as M (see code below). The first M I get is...

ungefär 13 år ago | 1 answer | 0

1

answer

Question

How to calculate diagonal for NxN matrix ?
Hi I'm trying to calculate the sum diagonal from a square matrix (size NxN). For example: A = [1 2 3 4; 5 6 7 8; 9 0 1 2; 3...

ungefär 13 år ago | 2 answers | 0

2

answers