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GUI Help
Set the string property of the texbox in the callback for the corresponding pushbutton. For example, in the callback for the pu...

15年以上前 | 1

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class of returns from get() with 1 vs. mutliple handles
To force a cell array, use: plot(1:10,1:10,1:12,1:12); % Example. H = get(gca,'children') % Multiple handles. C1 = get(H...

15年以上前 | 2

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Guidance needed in creating mexw64 file from Matlab File Exchange source code
You will need a 64-bit compiler. <http://www.microsoft.com/express/Downloads/#2010-Visual-CPP MS visual c++> will do the job, i...

15年以上前 | 0

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while loops
Also, you might find <http://www.mathworks.com/company/newsletters/news_notes/pdf/Fall96Cleve.pdf Cleve's article> interesting. ...

15年以上前 | 0

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means of multiple vectors from different matrices
You will need to explain better what you want to do. Give a small example, say 3 matrices, and show what you want to get at the...

15年以上前 | 0

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Solve a nonlinear system
Do you mean get R01 and R02 in one shot, or do you mean find where the two functions meet (what I usually think of when someone ...

15年以上前 | 0

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Test different number(values or label) in matrix?
A = [0 0 0 0 0 0 0; 3 3 0 0 0 0 0; 3 3 3 0 0 0 0; 0 0 0 0 4 4 4; 0 0 5 5 0 0 0; 5 5 5 5 ...

15年以上前 | 1

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MATLAB one-liners
Here is a good one. After already writing a solution to <http://www.mathworks.com/matlabcentral/answers/2383-how-to-to-write-...

15年以上前 | 1

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Creating tables from a program?
Only using FPRINTF: z = (0:2:50); fprintf('\n\n%s %s\n%s %s\n','Integer','Square','=======','======') fprintf( '\t%3....

15年以上前 | 2

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Large Integer problem
You are seeing the results of the limitations of floating point arithmetic. Read this if you plan on using MATLAB much: <http:...

15年以上前 | 2

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Representing a Matrix Graphically (but not exactly)
Like this (a surface?): Z = [5 2 1 0 2 3 9 3 7]; surf(Z.') xlabel('X') ylabel('Y')

15年以上前 | 0

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trying to use a feval by calling a function
Try: myopt('func',[1 2]) . . . By the way, it is generally preferrable to use function handles instead of strings and FE...

15年以上前 | 0

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How do I plot the first four Chebychev polynomials in MATLAB?
Chebychev polynomials of the first or second kind? Assuming the first kind, you can use the function handle method. x = -1:....

15年以上前 | 1

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How to to write a code to my n*1 matrix into differnt submatrices?
Can you give a small example matrix and what you expect the output to be? It is still not clear what you want. I asked you to ...

15年以上前 | 2

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Accessing Matrix Rows using Logical Indexing
A = [1 1 1 1;2 2 2 2;3 3 3 3;4 4 4 4]; B = A(:, 2) > 2; C = A(B,:); Or for short: C = A(A(:, 2) > 2,:);

15年以上前 | 10

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How can I implement a dialog GUI in MATLAB?
Something like this: task_complete='No'; while strcmp(task_complete,'No') C = questdlg('Choose question to solve:', ....

15年以上前 | 0

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Calculating an average in an n x m array that contain zeros
mn = sum(A)./sum(A~=0)

15年以上前 | 0

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Checkboxes disappear when a new one created (matlab 2007b)
You are overlapping each with the next. (This is why I prefer to work in pixels by the way.) For starters, change: [0.1, ch...

15年以上前 | 2

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Form a huge matrix by mapping pre-existing vectors to matrix for memory saving?
For a better answer, show a small example, complete with a small matrix and what you are going to do with it.

15年以上前 | 1

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numerical integration dimension error
You need a dot before every ^, * and / when working with vectors. Y = X.^(-1/2).*exp(-0.5*(0.00009996^2./X+34.3713^2*X));

15年以上前 | 0

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"for" loops and branching help
You were close. Here is one way to do what you are trying to do, keeping with the FOR loop and IF statement use. cnt = 0; ...

15年以上前 | 1

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Vectorization of Integral (or quad) to avoid employing a double loop
This produces the same surface as your double FOR loop: N = 21; % The grid tic % Your original x=linspace(-2,2,N); y...

15年以上前 | 1

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How do I use one IF-END instead of nested IF-ENDs?
I think replacing what you have with an IF-ELSEIF structure would make it less efficient because it would result in more compari...

15年以上前 | 2

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質問

Hump-day challenger - Recursion
In honor of John D'Errico (and some recent posts about recursion in MATLAB), I bring a recursion challenger. Here is the challe...

15年以上前 | 8 件の回答 | 4

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JIT vs vectorization
JIT is just as fast as vectorization,... sometimes. There is no published guide for using JIT because TMW doesn't want you ...

15年以上前 | 1

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Undefined function error. How to correct ?
It would seem you need to define r. Try putting a WHOS right before the line that errors (or put a break point above that line ...

15年以上前 | 0

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[DISCONTINUED] Wish-list for MATLAB Answer sections.
Answer folding. Say there is a question which has 55 some-odd answers. I keep coming back to look and see if there is anything...

15年以上前 | 7

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Set position of tick labels
Not directly, but try this: YTL = get(gca,'yticklabel'); set(gca,'yticklabel',[YTL,repmat(' ',size(YTL,1),1)]) This simp...

15年以上前 | 0

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[DISCONTINUED] Wish-list for MATLAB Answer sections.
Perhaps a limit on the number of answers a question can have would be nice. At some point, people may be adding answers without...

15年以上前 | 0

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[DISCONTINUED] Wish-list for MATLAB Answer sections.
Let me put blank lines in my responses! If I type a line that doesn't go all the way to the end of the window to wrap automatic...

15年以上前 | 3