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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...

oltre 13 anni fa | 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>

oltre 13 anni fa | 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...

oltre 13 anni fa | 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...

oltre 13 anni fa | 0

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Risposto
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...

oltre 13 anni fa | 0

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

oltre 13 anni fa | 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...

oltre 13 anni fa | 1

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Risposto
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...

oltre 13 anni fa | 0

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Risposto
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.

oltre 13 anni fa | 2

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Risposto
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...

oltre 13 anni fa | 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?

oltre 13 anni fa | 1

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

oltre 13 anni fa | 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...

oltre 13 anni fa | 0

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

oltre 13 anni fa | 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])

oltre 13 anni fa | 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...

oltre 13 anni fa | 0

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

oltre 13 anni fa | 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)]); ...

oltre 13 anni fa | 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...

oltre 13 anni fa | 0

Risposto
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)); ...

oltre 13 anni fa | 0

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Risposto
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]

oltre 13 anni fa | 0

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Risposto
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];...

oltre 13 anni fa | 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 ...

oltre 13 anni fa | 1

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

oltre 13 anni fa | 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...

oltre 13 anni fa | 2

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

oltre 13 anni fa | 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.

oltre 13 anni fa | 0

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

oltre 13 anni fa | 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...

oltre 13 anni fa | 1

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Risposto
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...

oltre 13 anni fa | 0