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audio cutter in matlab
You can do something like this: If 1 second removed from end: [Y,FS,NBITS] = wavread('file.wav'); % Your file name num...

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How to find 4 minimum values from an array?
Lets say your array A (a mX1 and 1Xm) matrix (I am assuming). Then, Y = sort(A); val = Y(1:4);

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How to create the definite cycle and to display the result of a cycle in a single matrix of a definite size?
Here is a simpler way to do this: A = eye(7).*repmat(1:7,7,1); [x,y] = size(b); m = zeros(7*x,7*y); for i = 1:...

alrededor de 12 años hace | 0

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Is there any concept like dictionary or hash tables in matlab like in Python?
There is container.map http://www.mathworks.com/help/matlab/ref/containers.mapclass.html which is similar to dictionary in pyth...

alrededor de 12 años hace | 4

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replacing ascending numbers with continous numbers
A = [4 20 35 22 10 49]; B = 1:numel(A); [~,C] = sort(A); B(C) = B; % Your vector

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Generating a basic animation of a 2D figure
something like this: figure(1) Square = [0,0,2,2;0,2,2,0]; fill(Square(1,:),Square(2,:), [1 0 .7]) title('Square A...

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Creating a sparse vector inside a for loop.
The sparse matrix is slow but effective for huge matrixes with a lot of zeros. but MATLAB can handle big matrixes in normal w...

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How to plot the max and min of a data set on a bar plot that is constructed from mean values ?
Something like this might work for you: http://www.mathworks.com/matlabcentral/fileexchange/30639-bar-chart-with-error-bars

alrededor de 12 años hace | 0

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fsolve not working, always say near zero?
type volatility This is the variable that you stored the solution. I just tested it. The volatility comes to be 1.1195 w...

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how can i generate a random number out of a range??
A = [1/rand -1/rand]; r = A(randi(2)); (or) r = [1/rand -1/rand]*(randperm(2,2) -1)'; Either will generate a ran...

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How to get the frequency of a column of values
table = tabulate(A); % where A is your data % if you want exactly the way you said table(:,3) = [];

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How to create a fzero loop to find roots of a function file?
for y= 2:0.1:10 x = fzero(@(m) Y(m,y),4); end

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Undefined function 'de2bi' for input arguments of type 'double'.
I think I know why this is happening. de2bi function belongs to 'communication system toolbox'. This toolbox is most likely n...

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When does the error Matrix dimension exceeds comes?
for whichever matrix you are applying (x-d:x+d,y-d:y+d), can you first do a whos A to check if the size of the array is...

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How to find implied volatility using "solve"?
You create a new function: function F = myfunc(vol,C,Interest, Stock, StrikePrice, TimeToMaturity) F = C - bs(Interest,v...

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Error using horzcat in a for loop
I think I figured it out. This error must be occurring not everytime. The thing that if you run this few time, the size of z ...

alrededor de 12 años hace | 0

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Creating a polynomial data set
you can do tide_new = feval(poly3,time); % adjusted tide height

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How to "solve" a "function"
The issue here is that you cannot reverse engineer this kind of function. If you know the average and lets say you know the size...

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horzcat CAT arguments dimensions are not consistent.
The problem is in [mfcc_kaszel; [c sp_bw sp_centroid sp_rolloff shortte zerocr]] [c sp_bw sp_centroid sp_rolloff shortt...

alrededor de 12 años hace | 0

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how to call multiple binary images in for loop?
A = {'Image1.jpg','image2.jpg' ..... etc 'image9.jpg'}; % Store the names of all 9 image files. for i = 1:9 B = imread...

alrededor de 12 años hace | 0

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How do i redraw a graph when a button is pressed in GUI?
If you're using GUI, the axes where you're plotting must have a handle. you can find it in your .fig file. In general that would...

alrededor de 12 años hace | 0

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how to find shortest path between 2 nodes
you can use graphshortestpath http://www.mathworks.com/help/bioinfo/ref/graphshortestpath.html

alrededor de 12 años hace | 0

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Reduction of code lines
Its a good code. The only place I think there is a chance is a=512; b = a^2/16; c=(sqrt(b)-1)/2; ft11 = fftshi...

alrededor de 12 años hace | 0

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I have just joined iversity course of Monte Carlo Methods in Finance. How do i download matlab and licence?
Most university have university licenses. Ask your professor who is giving the course or look into you IT webpages. If your u...

alrededor de 12 años hace | 0

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Celsius to Fahrenheit or vice versa
disp('This program convert Celsius to Fahrenheit'); Celsius=input('Write a temperature in Celsius and you''ll have the resu...

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Only check if statement once, or, disable code block after 1 check
This kind of optimization would really depend on your code. There is no generalization for this (to my knowledge). If you pos...

alrededor de 12 años hace | 0

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Problem using function with fminsearch
Use your function like this function res = Yfit_func(A,Y,X) Yfit = A(1)./(1+(X/A(2))); res = sum((Y-Yfit).^2); end...

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simultaneous curve fitting using "fmincon"
This is because you have GradObj On but your function does not provide gradient vector. Try something like this: options...

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how to accomplish the adddata function in plottools ?
This is a two part question: #1 How to get the data from GUI to workspace - Answered Here - https://www.mathworks.com/matlabc...

alrededor de 12 años hace | 0

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about plottools,for add data function ,the variables in GUI is not visable
You can use assignin('base','_variablename',variable) For more about assignin - http://www.mathworks.com/help/matlab/ref/assi...

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