Answered
How to solve problem with function lscuvfit, whena i have ther integral without xmax? Thank you.
The right solution of par (1) and y must be a 0.965. Why do you speak of y as if it is an unknown? The unknown parameters are ...

4 days ago | 0

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Boolean operation of A not B
c=setdiff(b,a)

4 days ago | 1

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Find values that put equation to zero
gamma=nan(T,1); j=1; %increment level. The loop will work for j>1 as well. for i=1:j:T; ci=C(i); si=S(i); mi=M(i); ...

4 days ago | 0

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Answered
Fzero question : Error using fzero (line 308) Initial function value must be finite and real.
Well you have divisions by x in your function, so naturally choosing x0=0 will not give you a finite initial value. Also, you a...

4 days ago | 0

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Answered
find the object closest to the center
I found it highly challenging to close the blobs surgically enough so that the two lungs and the bed are always guaranteed to fo...

5 days ago | 1

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Answered
How to implement triple summation?
Well, for each fixed p and q, the inner sum over m is just a discrete convolution. So, perhaps the best solution is to do a doub...

5 days ago | 1

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how to use binary morphological operations for corner detection
I don't think you can, but if the shape is convex, you can use this FEX tool instead, https://www.mathworks.com/matlabcentral/f...

5 days ago | 1

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How to calculate the camera intrinsics K , rotation matrix R and translation vector T through the camera projection matrix?
For various randomized input matrices, it gives the same output (within numerical precision) as my own decomposition routine (at...

5 days ago | 0

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Answered
How to decompose the "camera projection matrix" into camera internal and external parameters?
If you have the 3x4 camera projection matrix already, then it can be directly decomposed into intrinsics and extrinsics. The att...

5 days ago | 0

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Answered
How do I find the line representing the intersection of two planes?
HINT: You can get the normals to the planes using cross() % Plane 1 A = [1 1 1]; B = [2 -3 5]; C = [-7 2 1]; % Plane 2 D =...

5 days ago | 0

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Answered
Using matfile to partially extra data still loads entire file into memory
We can run a test right here. The one below suggests there is some benefit, though perhaps not as much benefit as I would have e...

6 days ago | 0

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How can I find the eigenvalues of an n-by-n matrix using For Loops?
What I do have available to me is a previous code I wrote that would solve any n x n matrix using Gauss-Jordan elimination but t...

6 days ago | 0

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changing variable names when saving variables
What I want is that, when I open the variables I want it to call them a different name for every subscript. Now the variable is ...

6 days ago | 0

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Mean, Max and Min of Structured Cell array
You should first convert everything to table form. Column3={{'dog';'dog';'dog'},{'cat';'cat'}}; %Original data Column4={[1;2;...

6 days ago | 1

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Answered
Is it possible to write methods that iteratively process each element of an objectarray without writing for-loops each time?
It is not possible in a get.property() method, but it is possible in a normal method. function meanValues = mean(Objects) ...

6 days ago | 0

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Answered
Sum of a portion of 3D matrix elements
[I,J,K]=ndgrid(1:N); total = sum(A(I<=J & J<=K))

6 days ago | 0

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Answered
'drawcircle' and 'roi.cricle' do not respect preset Radius
I think you need to specify the center coordinate as well.

6 days ago | 0

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How do I delete slices in 3D-Array?
Saravanan Sengottuvel's answer moved here: Generating an example 3D array that has 10 slices A = repmat([0 0 0 0; 1 0 0 0; 1 0...

6 days ago | 0

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Answered
Calculating a matrix with a specific form
Another solution, using func2mat (Download). N=size(x,2); C=func2mat( @(m)cross(repelem(m,1,N),x) , ones(3,1) , 'doSparse',0...

7 days ago | 0

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Simultaneously interpolating over multiple rows of a matrix.
This might be better, e=1:K; F=griddedInterpolant(mat(ind1,:),{e,grid}); vals_temp = F(e,qvec);

7 days ago | 0

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Answered
Simultaneously interpolating over multiple rows of a matrix.
V=mat.'; vals_temp = interp1(grid,V(:,ind1),qvec);

7 days ago | 0

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How to find the first number, ignore subsequent until a greater number repeats.
Is this what you want? A = [ 0 3 0 3 0 3 0 3 0 4 0 4 0 4 0 4 0 5 0 5 0 5 0 5 0 5 0 3 0 3 0 3]; cA=cummax(A); b1=find(A==3...

7 days ago | 1

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Removing lines in matrix
Hint: do something with this line: ind = any( A==0 | abs(A)==10 ,2)

8 days ago | 1

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Matlab clears persistent and global variables in fmincon when activating UseParallel
This happens because, in parallel computing, it isn't easily definable what it means for a variable to "persist". A peristent va...

8 days ago | 2

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Answered
How to add a legend to all open figures?
For example, %% Open several figures with subplots for i=1:2 figure(i) for j=1:2 subplot(2,1,j) ...

8 days ago | 0

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Answered
How can i plot multiple objects in same 3D space i.e. plot3 ?
Using hold on and hold off, you can add anything you want to a pre-existing 3D axis, even the results of a 2D plotting command. ...

8 days ago | 0

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How to use fmincon with vectors? (error message: not enough input arguments)
fun = @(x) -100*(x(1,:)-x(2,:).^2).^2 + (test-x(1,:)).^2;

8 days ago | 0

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Answered
Hessian output using simulannealbnd and fmincon
I'm assuming you can't simply do an analytical Hessian computation at the solution you found... One alternative would be to run...

9 days ago | 0

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fsolve with multiple tolerance levels
You can use fmincon (instead of fsolve) to formulate the tolerances as nonlinear inequality constraints. Or you can use lsqnonli...

9 days ago | 0

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Elliptical trajectory and plot waypoints for robotic arm simulation
Fairly easy to do with this FEX submission, https://www.mathworks.com/matlabcentral/fileexchange/87584-object-oriented-tools-fo...

9 days ago | 0