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Difference between spline(x,y,xq) and interp1(x,y,xq,'spline')
spline is a MATLAB file that build the intermediate piecewise polynomial then evalutae it (in your case). INTERP1 call an inter...

environ 4 ans il y a | 0

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Growing eye matrix as per the size of eye
tril(repmat(eye(3),3))

environ 4 ans il y a | 1

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Delete all repeatation number
a = [1 2 2 3 2 4 5 6 7 8 6] [u,~,j]=unique(a); a(ismember(a,u(accumarray(j,1)>1)))=[]

environ 4 ans il y a | 2

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Dumb mistakes we make with MATLAB.
Use 'end' to index an empty array.

environ 4 ans il y a | 0

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Uniquetol which preserves the first occurance
Use the third inputs followed by accumarray % Dummy data n = 100; A = randi(10,1,n)+1e-12*rand(1,n) [~,~,J]=uniquetol(A); ...

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Question

How to find which toolboxes are required for compiled standalone app?
My question is straightforward: Is there away to check which toolbox are required after mcc command. I can see the file requir...

environ 4 ans il y a | 2 réponses | 0

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How do I convert a non-normal distribution to an equivalent normal distribution?
You can almost always map a reasonable continuous random distribution to a normal one. If r follows some distribution law and y...

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Obtaining the combinations of a vector array to satisfy lineal constrains.
See this thread (14 year ago) with simlar question, the technique using gcd can help to reduce the search https://groups.google...

environ 4 ans il y a | 0

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Is there an easy way to remove points from a signal which can be restored by interpolation
This Free knot spline FEX can acoomplish what you ask for.

environ 4 ans il y a | 0

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Preallocate variables with unkown size
You can compute exactly the size needed for your vectors A = G_orig.adjacency; A(inActive,:) = 0; m = nnz(A(:,inActive)); ph...

environ 4 ans il y a | 0

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Reshape Nx1 struct with field of Mx1 elements to N*Mx1 vector
Something like B = cat(1,A.bar)

environ 4 ans il y a | 0

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cumulative sum table over group
tableA = {"A" 1 0 3 ; "A" 1 2 3 ; "A" 1 3 3 ; "A" 2 0 2; "A" 2 2 ...

environ 4 ans il y a | 1

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Question

What means "MATLAB connector is not running"?
I have a GUI app that runs fine under MATLAB, however when compiled as standalone with MCC, I get a strange warning message "w...

environ 4 ans il y a | 1 réponse | 0

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multi array vectorization problem (reformulated)
A = [ -0.8013 -0.4981; -0.2278 -0.9009]; t = 0:3; % eigen space [V,D]=eig(A,'vector'); D = reshape(D,1,[]); % compu...

environ 4 ans il y a | 2

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Find differences in a set of points without a for loop
x = randi(10,3,1) d = abs(x - x.')

environ 4 ans il y a | 0

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Rotate the coordinate system to align an existing plane with Y'Z' plane
Take a look at this thread and see if you can use it

environ 4 ans il y a | 0

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replace matrix A with the values of another matrix B
A= cat(3, [ 0 0 1; 0 1 0; 0 1 1], ... [1 0 0, 0 0 0; 0 0 0], ... [0 1 ...

environ 4 ans il y a | 1

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Can anyone please vectorize the code I have?
There is nothing in your data to guess that Jout must have 14 elements, the last index > 0 is 13. J_org = [ 0 2 0 ...

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Variable f coeffficient depends on x for linprog
Solve 2 problems f= [0 f2]; x = linprog(f,A,b,Aeq,beq,lb1,up1); with lb1 = -inf(size(x)), up1 = zeros(size(x)); g= [50 f2]; ...

environ 4 ans il y a | 0

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Computing Euclidean distance between 2 points
For a row vector d % sum(d.^2) is equal to % d*d' Example d=randi(10,1,3) sum(d.^2) d*d'

environ 4 ans il y a | 1

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Standalone compiled with Matlab compiler doesn't work
Have you include PSD_FSE3D.xml in the packaging? Do you take into account the path of the file is different when you run in sta...

environ 4 ans il y a | 0

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Surface plot of function over triangular domain
P1 = [1,1]; P2 = [2,0.5]; P3 = [4,4]; zfun = @(x,y) x.^2+y.^2; % Create triangular mesh of triangla P1,P2,P3 n=20; [I,J]...

environ 4 ans il y a | 1

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swaping 2 random numbers from array
ij = randperm(length(x)-1,2)+1; x(ij) = x(flip(ij));

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Warning: Matrix is close to singular or badly scaled. Results may be inaccurate.
It's a warning (not really error) It means your matrix is numerically not invertible (or almost not invertible)

environ 4 ans il y a | 0

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when edit figure error "undefined function mtimes for input arguments of type string"
can you type dbstop if error on MATLAB command window, then try to trigger the error?

environ 4 ans il y a | 1

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Matrix from measured data is singular, what could be the reason?
Could you try the normalization similar to my answer here?

environ 4 ans il y a | 0

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I want to find out points whose coordinates are within the volume formed by a cone shape.
Assuming the cone center is C: (3 x 1) coneangle is the cone angle (0 to pi, pi corresponds to the extreme case where the con...

environ 4 ans il y a | 0

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Plot differential equations with respect to two variables in a 3d plane
Try this (adapt to your code): %editparams; %file that contains parameters Tend = 10; Nt = 100; % Define RHS functions RHS ...

environ 4 ans il y a | 0

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Generating a Dictionary Function
You can use container.Map. I give here example of numbers, but it can handle char array or strings as well. The time access, u...

environ 4 ans il y a | 0

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For consistency with "nan", wouldn't it be nice to be able to issue "missing(3)"?
Why not define your own function mymissing mymissing(3) mymissing(2,3) mymissing(2,'string') mymissing(2,3,'double') fun...

environ 4 ans il y a | 0