Answered
Draw a curve defining the bounds of a scatter plot to detect anomalous (sparse or low density) points
Sets=["xy1" "xy2" "xy3" "xy4"]; Factors=[20,20,5,5]; for i=1:numel(Sets) xy=load(Sets(i)).(Sets(i)); ...

3 years ago | 0

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Answered
Pass existing object to different class objects
It will be a "pointer", until you make a change to one of the shared copies. Then, the specific property variables that you chan...

3 years ago | 0

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Answered
Problem 2022. Find a Pythagorean triple
function flag = isTherePythagoreanTriple(a, b, c, d) X=[a,b,c,d]; X=X(nchoosek(1:4,3)); flag=any( X...

3 years ago | 0

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Problem 2022. Find a Pythagorean triple
function flag = isTherePythagoreanTriple(a, b, c, d) a2=a^2; b2=b^2; c2=c^2; d2=d^2; if a2+b2==c2...

3 years ago | 0

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sorting by foor loops
You have many choices, https://en.wikipedia.org/wiki/Sorting_algorithm

3 years ago | 0

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Finding exact point on the surface
z = fzero(@(z)y-f(x,z), [z1,z2])

3 years ago | 1

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Answered
Parallelizing For Loops - Issue
I would use parfor just to run the n gurobi optimizations. After you've collected all the results in a struct array Results(jr),...

3 years ago | 1

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Using rdivide for multidimensional matrices
Using the KronProd class, downloadable from here, https://www.mathworks.com/matlabcentral/fileexchange/25969-efficient-object-o...

3 years ago | 0

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Using rdivide for multidimensional matrices
One way: Fp=permute( F([1,3,5],[2,4,7],:), [1,3,2]); Fp_transformed= pagerdivide( Fp , basisVectorMat); F_transform...

3 years ago | 0

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Question

A MEX solution to split classdef-defined object arrays into cells
As an experiment with MEX files, I am trying to create a mex routine that will take an array A of classdef-defined objects and r...

3 years ago | 1 answer | 0

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answer

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I don't know why you're saying it's an invalid expression. Help me
Perhaps you intended to have this, y1=sin(x.^2); y2=cos(x).^2;

3 years ago | 0

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Answered
trainNetwork - training data format
With your imageInputLayer network, try, XTrain =reshape(XTrain.', 24,1,1,N); so that the format of the input is SxSxCxB.

3 years ago | 0

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fmincon with handle function input
The problem is that it is not an explicit function, so it seems that fmincon never stops finding the minimum It is possible th...

3 years ago | 1

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How to rotate a pointcloud data and align parallel with y-z axis?
yz=readmatrix('CS_DATA.xls','Range',[1,2]); [~,v1]=min(yz*[+1;+1]); [~,v2]=min(yz*[-1;+1]); [x1,y1,x2,y2]=deal(yz(v1,1), ...

3 years ago | 2

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Answered
New toolbox not listed in installation options
Try re-downloading the installer.

3 years ago | 0

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Answered
xcorr always gives best aligment of 0 (which by visual inspection is wrong)
Here's another possible comparison criterion where the signals are pre-normalized so that their minimum values are zero. load ...

3 years ago | 0

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xcorr always gives best aligment of 0 (which by visual inspection is wrong)
You could look for an optimal cyclic shift load y1y2; N=numel(y1); r=ifft( fft(y1).*conj(fft(y2)) ,'symmetric'); [~,t]...

3 years ago | 0

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Solve Linear Equation with Constraints on Variables
You can use trustregprob from this FEX download, https://www.mathworks.com/matlabcentral/fileexchange/53191-quadratic-minimizat...

3 years ago | 1

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Answered
xcorr always gives best aligment of 0 (which by visual inspection is wrong)
Visually it can be seen that maximum correlation is at aligment ~30000 I'm afraid not: load y1y2; x=1:numel(y1); y3=inte...

3 years ago | 0

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xcorr always gives best aligment of 0 (which by visual inspection is wrong)
It is not clear how corrcoeff would allow you to align the two curves. Perhaps you intended to use xcorr.

3 years ago | 0

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series computing is faster than parallel computing using parfor
Assuming you are on a local parpool, it is never clear whether parfor will be faster than a serial loop. You are dividing the lo...

3 years ago | 0

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Difference between lsqlin (using IP-algorithm) and fmincon (using IP-algorithm)
Your linear least squares cost function is highly ill-conditioned. Essentially, I_BB_solve is a singular matrix. >> cond(I_BB_s...

3 years ago | 0

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How do I use surf on a specific set of points
You can use trisurf. This requires you to decide upon the triangle connectivity, but many people just use the Delaunay triangula...

3 years ago | 0

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How to model affine cone constraint using secondordercone() with coneprog() solver?
Perhaps as follows: socConstraint.A=blkdiag(A,constant); socConstraint.b=zeros(n+1,1); socConstraint.d=[d;0]; socConstraint....

3 years ago | 1

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Answered
Use My Own Interpolation Function to Find the Coefficients
Since your model function is a 3rd order polynomial, you can use polyfit to find the coefficients. Then you can use polyval to e...

3 years ago | 0

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Number of input parameters in Superclass method
My design would be as below. classdef Superclass properties params %now a struct doe prop1 ...

3 years ago | 0

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Answered
Comparison between two vectors and locate the error
A=[ 5 2 -3 4 ]; B=[ -3 2 2 4 ]; locations = find(A~=B)

3 years ago | 0

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Unreconized function or variable
vR is never defined because none of your switch cases are ever satisfied. One solution: switch diode %%% SWITCH CODE HER...

3 years ago | 0

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how many input parameters to the pass function
Why not just pass the entire app object? function CalcolaButtonPushed(app, event) app.EquityUnfilteredCheckBo...

3 years ago | 0

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Answered
How to use least square fit to 2D matrix data
[~,location]=min(Data);

3 years ago | 0