How to export data from a GUI to Matlab Workspace?
In the code of the GUI, when you want to export the variables do: save guioutput This will save all of the variables in ...
más de 13 años hace | 0
Best way to determine if number is triangular number?
istri = @(x) floor(sqrt(8*x+1))==sqrt(8*x+1); x = 1:20; idx = istri(x) x(idx)
más de 13 años hace | 1
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access outputs of functions with multiple outputs
There *is* a way to do it, but I am reluctant to share it because I don't think it is worthwhile to program this way. I cannot ...
más de 13 años hace | 2
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reading a song in matlab
Make sure that the file is in the current directory first, then: [Y,FS] = wavread('myfile.wma');
más de 13 años hace | 0
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for loop to make a taylor series
If you write it as: e^x = x^0/0! + x^1/1! + x^2/2! + .... + x^n/n! then you can see the pattern easier. I don't want to...
más de 13 años hace | 0
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2D Array Manipulation / Script
You can also use <http://www.mathworks.com/matlabcentral/fileexchange/24536-expand expand>, which is written to be more general ...
más de 13 años hace | 0
Duplicate the value of a cell for other cells in a matrix
Here is an example; adapt it as needed. A = magic(10); % The array. N = randperm(numel(A)); % Random linear indices....
más de 13 años hace | 0
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Symbolic solve giving wierd roots
docsearch('rootof') Look at the documentation of SOLVE, scroll down to rootof.
más de 13 años hace | 0
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How can I plot a symbolic function or determine a finite and real starting guess for fzero?
If you have a function of one variable, you can use my <http://www.mathworks.com/matlabcentral/fileexchange/6924-newtzero newtze...
más de 13 años hace | 1
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Loops and Complicated Matrix Multiplication
Often times it is easier to figure out such a problem by looking at a simpler version where we can actually keep track manually....
más de 13 años hace | 0
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stem and set function: A question
set(z,'linewidth',6,'color','r')
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Find Function in MATLAB to Compare two vectors
Given your example inputs and outputs: % The inputs A = [1, 2, 3, 4, 5].' B = [2, 4, 5, 6, 7;10, 11, 13, 14, 15].' ...
más de 13 años hace | 0
Matlab - convert vector to discrete function
You can fit a polynomial to U, or a spline or any function. We must know what the expected relation is, or at least see the gra...
más de 13 años hace | 0
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Heuristic solver for lambert W function?
X = solve('x*(2^x)=b/ln(2)','x'); x_b3 = subs(X,'b',3) % x when b=3
más de 13 años hace | 1
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Help with 'solve' function in MATLAB for numerical solution!
d = solve('x=(2^x)*b+c'); n = subs(d,{'b','c'},{2,3}) % Put 2 for b, 3 for c If you are doing the substitutions in a lo...
más de 13 años hace | 3
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Plotting a vertical line using ezplot
This will put a vertical line in the middle of the axes. Adjust as needed. LIM = get(gca,{'xlim','ylim'}); L = line(mea...
más de 13 años hace | 1
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Hello everyone, I would like to write a function to find the prime number from 0 to n . I would apreciate your help!
p = @(n) primes(n);
más de 13 años hace | 0
Can't define functions in Matlab
At the command prompt, type: edit Now paste your code into the window that opens up. Then save it. From the commamd prompt ...
más de 13 años hace | 0
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Avoid for loops with if inside
idx = bsxfun(@minus,A(1,:).',B(1,:))<5; C(idx) = C(idx) + 1; It would help if you specified the sizes of A, B and C. I ...
más de 13 años hace | 2
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question about matlab code and function......
You might want to read the Getting Started section of the documentation. Also, why would you want the function to only work on ...
más de 13 años hace | 0
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name several curves within a loop
You could put a text on each curve. But placing the text could be tricky with that many curves on one plot. x = 0:.01:1;...
más de 13 años hace | 0
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construct a function which randomly change one bit a column
A = round(rand(4,4)); % The initial matrix. % Given A, use this to change one random element per column. [m,n] = size(A...
más de 13 años hace | 0
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How do you combine multiple commands into a single code for one execution?
Follow these steps. 1) At the command line, type: edit 2) Paste your code into the blank document you opened in ste...
más de 13 años hace | 0
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How to run m-files automatically ?
D = dir('*.jpg'); for ii = 1:length(D) % Put your processing code here. Call image names as below... fprint...
más de 13 años hace | 1
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Generate permutations of numbers
You can use my <http://www.mathworks.com/matlabcentral/fileexchange/11462-npermutek npermutek>. npermutek([0 1],2) a...
más de 13 años hace | 1
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A question on input and output arguments in a function, interesting.
Even a one-line function is possible in MATLAB. This is a valid function... function num = myecho(num)
más de 13 años hace | 0
Purpose of guidata(hObject,handles)
This stores the variable named 'handles' in the guidata of the object with handle HObject. I assume you saw this in the Ope...
más de 13 años hace | 3
Creating a white background behind a subplot that is placed over another sublot
I would simply use a UIPANEL. Here is some code that will run, based on your code. Note the last three lines: h=figur...
más de 13 años hace | 0
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ho to plot multy-axis with Two Y-axis in left hand side?
You can just alter the PLOTYY function: figure x = 0:0.01:20; y1 = 200*exp(-0.05*x).*sin(x); y2 = 0.8*exp(-0.5*x...
más de 13 años hace | 0
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Enviada
N_PERMUTE_K
All possible permutations of the elements of set N, taken K at a time, with repetition.
más de 13 años hace | 2 descargas |
