Answered
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 ...
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 ...
13 years ago | 0
Answered
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)
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)
13 years ago | 1
| accepted
Answered
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 ...
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 ...
13 years ago | 2
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Answered
reading a song in matlab
Make sure that the file is in the current directory first, then: [Y,FS] = wavread('myfile.wma');
reading a song in matlab
Make sure that the file is in the current directory first, then: [Y,FS] = wavread('myfile.wma');
13 years ago | 0
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Answered
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...
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...
13 years ago | 0
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Answered
2D Array Manipulation / Script
You can also use <http://www.mathworks.com/matlabcentral/fileexchange/24536-expand expand>, which is written to be more general ...
2D Array Manipulation / Script
You can also use <http://www.mathworks.com/matlabcentral/fileexchange/24536-expand expand>, which is written to be more general ...
13 years ago | 0
Answered
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....
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....
13 years ago | 0
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Answered
Symbolic solve giving wierd roots
docsearch('rootof') Look at the documentation of SOLVE, scroll down to rootof.
Symbolic solve giving wierd roots
docsearch('rootof') Look at the documentation of SOLVE, scroll down to rootof.
13 years ago | 0
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Answered
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...
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...
13 years ago | 1
| accepted
Answered
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....
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....
13 years ago | 0
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Answered
stem and set function: A question
set(z,'linewidth',6,'color','r')
stem and set function: A question
set(z,'linewidth',6,'color','r')
13 years ago | 0
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Answered
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].' ...
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].' ...
13 years ago | 0
Answered
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...
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...
13 years ago | 0
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Answered
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
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
13 years ago | 1
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Answered
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...
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...
13 years ago | 3
| accepted
Answered
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...
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...
13 years ago | 1
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Answered
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);
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);
13 years ago | 0
Answered
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 ...
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 ...
13 years ago | 0
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Answered
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 ...
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 ...
13 years ago | 2
| accepted
Answered
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 ...
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 ...
13 years ago | 0
| accepted
Answered
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;...
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;...
13 years ago | 0
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Answered
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...
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...
13 years ago | 0
| accepted
Answered
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...
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...
13 years ago | 0
| accepted
Answered
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...
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...
13 years ago | 1
| accepted
Answered
Generate permutations of numbers
You can use my <http://www.mathworks.com/matlabcentral/fileexchange/11462-npermutek npermutek>. npermutek([0 1],2) a...
Generate permutations of numbers
You can use my <http://www.mathworks.com/matlabcentral/fileexchange/11462-npermutek npermutek>. npermutek([0 1],2) a...
13 years ago | 1
| accepted
Answered
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)
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)
13 years ago | 0
Answered
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...
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...
13 years ago | 3
Answered
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...
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...
13 years ago | 0
| accepted
Answered
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...
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...
13 years ago | 0
| accepted
Submitted
N_PERMUTE_K
All possible permutations of the elements of set N, taken K at a time, with repetition.
13 years ago | 2 downloads |
