Matlab

Error using ==> subsindex
I am developing a perceptron neural network with the following code: %crossvalidation blocksize = floor(nb_data/K); for k = 1:K if k==K train=[1:blocksize*(k-1)]; validation=[blocksize*(k-1)+1 : nb_data]; else train=[1:blocksize*(k-1) blocksize*k+1:nb_data]; validation... 6 May 2008 23:26

reset the contents of an edit box
I just want to find out how to clear the contents of all my editboxs with the use of a button. I though of doing this: set(handles.Vgs_from,'String',' '); and allthough it works if i don't have code written into the Vgs_from_Callback,when i write my code apears error for invalid handle.What should i do? funct... 6 May 2008 23:26

How to know about binary video file header???
Hi, I want to read a binary video file (generated by MATLAB using Image & Vidoe Blockset -> sinks -> write binary file) in C. Its the YUV420 format. But I cant find any info about the header for the binary video file. I want to to know, how many bytes are used for header information and which byte is for wi... 6 May 2008 23:26

Linear Interpolation Inversion for N even?
Linear Interpolation Inversion for N even? Under certain conditions the sampled function x(1:N) can be reconstructed from the linearly intepolated midpoints xm = (x(1:end)+x(2:end))/2 For example, if one of the original points (e.g. x(j)) is known, then for i = j:N-1 x(i+1) = 2*xm(i)-x(i); end f... 7 May 2008 14:14

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input arguments of type 'uint16'
I get this error message while working on a imported data file. All operations were until i tried the log function. Please help. Error message: ??? Undefined function or method 'log' for input arguments of type 'uint16'. Thanks, Ajith ... 6 May 2008 23:26

How do plot a line of fixed length????
I would like to know how to plot a line of fixed length at an angle.... ... 6 May 2008 23:26

vitdec() and TCM
Hello all, i m trying to simulate TCM using MATLAB and since the function poly2trellis will be used to build up a TCM trellis structure, at the receiver i m using the vitdec() function, with soft-decision decoding. But it seems that something is not right, is this function flexible enough to decode a TCM encoded b... 6 May 2008 23:26

vitdec() and TCM
Hello all, i m trying to simulate TCM using MATLAB and since the function poly2trellis will be used to build up a TCM trellis structure, at the receiver i m using the vitdec() function, with soft-decision decoding. But it seems that something is not right, is this function flexible enough to decode a TCM encoded b... 6 May 2008 23:26

convert string to matrix of doubles
I was having the same problem, so I'll post my solution. I think you've probably taken one of the others' solutions, so this is I guess for future MatLabers. My problem is a bit different in that I only have one line of text from which I'd like to create the vector, but: s1 = '23 1 43 43'; s2 = regexp(s1,... 6 May 2008 23:26