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how can set values to a const mxArray ?
Looks like you are talking about C/C++ code. If that is the case, I am confused. How could: char a = 'mystr' ever work? T...

約13年 前 | 0

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Why when i convert Cell2mat than to double the values changes ?
<https://www.mathworks.com/matlabcentral/answers/57444-faq-why-is-0-3-0-2-0-1-not-equal-to-zero>

約13年 前 | 1

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any one knows about this error ?
Q must be square with as many columns as G. You could use the debugger and see why the message given above occurs. Please lea...

約13年 前 | 0

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How to read a .f06 file in MATLAB ?
From the .f06 file description: This is the main Nastran output file. It contains the results of your analysis such as disp...

約13年 前 | 0

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fzero function, additional output needed
Is there anything preventing you from modifying _find_pw()_ to return p1 as well? function [F,p1]=find_pw(p,pw) Globals a...

約13年 前 | 0

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Error when m-file calls cpp-file
Are you using linux?

約13年 前 | 1

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Error when m-file calls cpp-file
You cannot call directly cpp files from Matlab. You need to use _mex_ to compile cpp file into a format that Matlab can understa...

約13年 前 | 1

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How to perform extreme value distribution in Matlab?
Hard to say without looking at the i) the formulas, ii) how the formulas are implemented in the code. It could be numerical pre...

約13年 前 | 0

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I want to create a string that contains 2767 letters (1000 times s). Is there any way to do that fast without typing 'sssss..' 2000 times? thank you
your_str = repmat('s',1,2767); Or your_str(1:2767)='s'; Amongst other options.

約13年 前 | 2

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find first value below a minimum in a vectorized way
Using only _min()_ and some logical indexing: A = [ 5,6,5,2,2,6; 7,6,4,4,2,4;9,5,4,2,4,2;7,6,5,5,4,3;5,6,8,7,8,9] thres...

約13年 前 | 1

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Unique Rows in Cell Array
my_unik = cellfun(@(x) unique(x,'rows'),a,'uniformoutput',false); Or what is it you want?

約13年 前 | 1

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Remove rows or cols whose elements are all NaN
your_mat = A(all(isnan(A),2),:);

約13年 前 | 0

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Trying to write a script that solves a series
A few problems, mostly regarding numerics # A factorial can only be represented accurately in double precision up to 21. Same...

13年以上 前 | 0

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Problem with isinteger() - how to determine whether a constant is integer?
a == floor(a)

13年以上 前 | 2

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Plotting asymptotic limits, interpolation
Let Matlab decide how to make your plot look smooth: myFun = @(x) ppval(cs,x) fplot(myFun,[0.5 1])

13年以上 前 | 0

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find a vector in a big vector
vals = (2:2:20)'; your_mat = cell2mat(arrayfun(@(x) {find(a==x)},vals,'uniformoutput',false)); And if you don't care abo...

13年以上 前 | 0

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Format of exponential with num2str
You could create your own custom function <http://www.mathworks.com/matlabcentral/answers/62708-custom-output-of-the-fprintf...

13年以上 前 | 0

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write data to a .txt file
Filling with NaN, when there are no values: A = rand(10,1); B = rand(15,1); nRows = max([numel(A) numel(B)]); ...

13年以上 前 | 0

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Use interp1 to interpolate a matrix row-wise
Without a loop, but slower: nRows = size(E,1); your_array = cell2mat(arrayfun(@(x) {interp1(E(x, :), C(x, :), 0, 'linear...

13年以上 前 | 0

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how to create a matrix from existing matrix
a = [0.25 0.20 0.15 0.20 0.1]; your_mat = cell2mat(arrayfun(@(x,y) ((x:x:1)'+y)',a,0:numel(a)-1,'uniformoutput',false)); ...

13年以上 前 | 0

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diffrence of vector element and addition element- wise
A=[1 2 3 98 99 102]; BB = [A(1) ( A(1:numel(A)-1) + diff(A) ).*5]

13年以上 前 | 0

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How to change the transparency of bars in a barseries plot?
It seems to me that you are not passing the correct value for the handles of the patch: v1 = rand(81,1); c1 = [1 0 1];...

13年以上 前 | 1

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How to recnstruct a signal from given discrete values ?
I am not sure I understand the problem. It sounds to me that you need to find out the values of theta, omega and alpha. That is ...

13年以上 前 | 1

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a simple substitution problem !
a = rand(10); [m n] = size(a); a(1:m+1:numel(a)) = 0.5;

13年以上 前 | 0

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Changing the axis property of matlab
h = plot(rand(10,1)); aH = ancestor(h,'axes'); x = get(h,'XData'); new_x = x .* 1000; new_y = get(h,'Ydata'); d...

13年以上 前 | 2

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How FFT works on an image?
<http://homepages.inf.ed.ac.uk/rbf/HIPR2/fourier.htm Google does.>

13年以上 前 | 0

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Importing hex values from a .txt or .xlsx file
doc sscanf You can use the '%x' identifier for hexadecimal data.

13年以上 前 | 0

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running mex 64bit on different matlab versions
Recompile using the source code.

13年以上 前 | 0

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add additional parameter to contour plot to generate 3d plot
What you are asking is basically how to plot four-dimensional data in a two dimensional plane. It is not easy, and tends to be m...

13年以上 前 | 1

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Detect points in predefinied distnace in array
If you are only interested in the closest points and not the actual value of the distance itself, you could get rid of the expen...

13年以上 前 | 0

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