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Vivek Selvam

Last seen: Today |  Active since 2013

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Answered
MATLAB Coder for FSK Demodulation
Hi Mounika, Code generation is successful when using Name-Value pairs for comm.FSKDemodulator as follows: fskDemod_M = comm.FS...

4 years ago | 0

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Answered
SAMSUNG GALAXY S4 CANNOT run simulink model on it
This is because the <http://www.mathworks.com/help/releases/R2015a/simulink/slref/display.html Simulink Display> blocks are not ...

9 years ago | 1

Answered
introducing a new variable
<http://www.mathworks.com/matlabcentral/newsreader/view_thread/315950 Hope this link helps.>

10 years ago | 1

Answered
Why isn't my color assignment working in this bar graph?
<http://www.mathworks.com/matlabcentral/answers/99092 This link says how to.> Hope the following illustration helps. Slope...

10 years ago | 0

Answered
create a new matrices by using existing matrices
Hope this helps. x = a(:,1) y = a(:,2) want = [2 3 4] choose = ismember(x,want) & ismember(y,want) ...

10 years ago | 0

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Answered
can you help me to programming algorithm of x^n and n! ,and plotting in same figure
This may help you get started doc hold doc factorial doc power vectorization : http://www.mathworks.com/help/matla...

10 years ago | 0

Answered
Making a heat map from three vectors
You may find this useful. http://www.mathworks.com/matlabcentral/newsreader/view_thread/21043

10 years ago | 0

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Answered
Z must be size 2x2 or greater. HELP
1. |T5| needs to be a matrix but is a vector. Check |size(T5)|. You would want to change the order of these lines from ...

10 years ago | 1

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Answered
Formatting Multiple Curves in One Plot
Try plot(x,y1,x,y2,...,x,yn) instead of plot(x,[y1 y2 ... yn]).

10 years ago | 0

Answered
Write a function that accepts a variable number of input parameters using the cell array varargin, and outputs a variable number of arguments using the cell array varargout.
doc varargin doc varargout doc is* should help you get started.

10 years ago | 0

Answered
collect data from a text file without a uniform structure
Since the file is not uniform, you would need a loop to process line by line. Following is a way you can try: filename...

10 years ago | 0

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Answered
Did not find solar cell block in 2010a, 2011a and 2013a matlab
The solar cell block is available under SimElectronics library. To check if it is installed, type |ver| in the matlab comman...

10 years ago | 0

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Answered
index out of bounds because size(yout)=[0,0] / optimization with fmincon
In your code, you have initialized |yout| to an empty matrix ( |yout| = |[]|). Then in function |trackmmobj|, you are trying to ...

10 years ago | 0

Answered
How to construct this vector without loop?
vec = 3*(1:n); A = cell2mat(arrayfun(@(x) 1:x,vec,'UniformOutput',0)); or vec = 1:n; A = cell2mat(arrayfun(...

10 years ago | 0

Answered
Share variables among my different GUI's
This <http://www.mathworks.com/matlabcentral/answers/2002 link> may be of help.

10 years ago | 0

Answered
help with concatenation to open file
Try |doc function| for the new functions you find in the following code. This is one way to do what you want: a ...

10 years ago | 0

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Answered
How can I suppress or change the error message 'Undefined function or variable'
You can try this: number = ''; % str2double returns NaN if input is not a real or complex scalar value while isnan(...

10 years ago | 1

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Answered
convert a double array to something like logical
Hi Theodor, You can try a look-up table like this: lut = logical(diag(ones(1,7))); A = [1 5 7 4]'; S = lut(A(:...

10 years ago | 0

Answered
How to calculate a angle between two vectors in 3D
This code uses your angle calculation and shows for different reference points (3d). 2d is the same for your formula. % Or...

10 years ago | 2

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Answered
How to sort data once it is read into matlab
This should solve your problem. data = textscan(fid, '%s %s %s'); instead of data = textscan(fid, '%s %f %f');

10 years ago | 0

Answered
dB scale (log scale) of a polar plot graph
You can try this: <http://www.mathworks.com/matlabcentral/fileexchange/26476-a-basic-polar-plot-tool-in-db-linear-scale Polar P...

10 years ago | 0

Answered
color map and color data
Unless you give the modified color data to colormap() it would not be updated. For example: load flujet; image(X); ...

10 years ago | 0

Answered
Saving for loop output in an array
Terry, this implementation has a different final value. a(m+1) = a(m) + a(m)*k + n; Do you want the same final value? ...

10 years ago | 1

Answered
error !! horzcat CAT arguments dimensions are not consistent.
Vidya, you can solve your padding problem by # switching |vertcat| and |horzcat| (reasoning in the comment below) # image is...

10 years ago | 2

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Answered
How do I join a single string with multiple strings?
Here you go, Tom. basepath = '/data/'; filebase = 'video_'; fileext = '.avi'; files = ['00a'; '00b'; '00c']; ...

10 years ago | 0

Answered
Undefined function or variable 'map' Error. How to fix?
Michael, you need to change line 9 from img = imread(Proj2Image); to [img,map] = imread(Proj2Image);

10 years ago | 0

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Answered
error reported using find function in legend
You had added an extra set of parenthesis: hst((...),'string') --> hst(...),'string' Here is the fixed line: lh = ...

10 years ago | 0

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Answered
A question regarding matrices
Using |dlmread()|: function G = adjacencyMatrix() filename = 'myFile.txt'; delimiterIn = ' '; s...

10 years ago | 0

Answered
How to pick specific points and mark them on a plot?
Hi Marian Add this snippet: hold on; plot(i,temp(i),'*')

10 years ago | 0

Answered
Numerate lines to a text file
Hi George A more rudimentary C like approach is as follows: [rows cols] = size(A); formatSpecRowNum = ...

10 years ago | 0

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