Answered
Common legend for each row of tiled layout
I could do nested tiled layouts, but that seems very cumbersome, especially when I have many more rows. Why? %% Make Layout Sk...

2 years ago | 1

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Answered
is there a way to perform this task w/o using loops?
There are ways to do it without loops, but doing it without loops will be of no benefit to you. It will take more lines of code,...

2 years ago | 1

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Draw angled ellipses around clusters on PCA plot
Using polyshapes: ellipse=rotate( scale(nsidedpoly(1000),[2,1]) ,30); plot(ellipse)

2 years ago | 0

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Draw angled ellipses around clusters on PCA plot
See also elliipticalFit from the FEX downloadable, https://www.mathworks.com/matlabcentral/fileexchange/87584-object-oriented-t...

2 years ago | 0

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How can I stabilize the matrix left division (i.e. "\")?
You cannot. You must regularize the problem somehow and make the matrix non-singular.

2 years ago | 0

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Solving a quadratic optimization problem subjected to linear constraints
You can use lsqnonneg, xi=[0, 0.25, 0.5, 1, 1.2, 1.8, 2]'; fi= [2, 0.8, 0.5, 0.1, 1, 0.5, 1]'; phi=@(r) max(0, 1 - r).^4....

2 years ago | 0

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Answered
Simple Indexing problem when creating a matrix
n=5; A=[0 60 120 180 240 300 360]; A=A+360*(0:n-1)'

2 years ago | 0

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how to project a contour along a surface plane?
This looks applicable: https://www.mathworks.com/matlabcentral/fileexchange/8589-contourz?s_tid=srchtitle

2 years ago | 0

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Find function misbehaves when Indexing into array
Perhaps this is what you meant, LogicArray = x < Tolerance; LogicArray(1:4)=false; FindIndex = find(LogicArray,1,'first')...

2 years ago | 1

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Answered
fmincon optimization: is the first order optimality very sensititve to changes in the step tolerance?
So given the results I show, can we qualititatively say that the objective is likely to be very flat at the solution? Or somethi...

2 years ago | 0

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Answered
optimize vector by fminimax
if with my first input i have this vector (output) (1 2 5 6 9 5) and with next input i have this one (1 2 9 6 9 1) as you can ...

2 years ago | 0

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Answered
How to get the distance references of geometry and curvature of the object?
I was able to do it with the help of some FEX downloads: https://www.mathworks.com/matlabcentral/fileexchange/90762-further-too...

2 years ago | 0

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Indexing matrix with multiplication
No. You can easily see they are not the same by comparing them yourself: T=randi(30,5) mask=T>20; T(mask) T.*mask

2 years ago | 1

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Access MinFeretCoordinates data in regionprop table
For example, stats{1,'MinFeretCoordinates'} stats{2,'MinFeretCoordinates'} stats{3,'MinFeretCoordinates'}

2 years ago | 0

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Answered
Complex Image Processing with closed contour
So, you have an image like this, load Image figure; imshow(Image) and you just want to keep the central part? Then threshol...

2 years ago | 0

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Answered
Inserting zeros into another array at values in the second array
A = [8 2 3 5 5 6 7 8 9]; B = [1 3 2 3]; F=nan(1,numel(A)+numel(B)); F(cumsum(B)+(1:numel(B)) )=0; F(isnan(F))=A

2 years ago | 1

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How to Remove Tail from Segmented Circle
This uses bwlalphaclose from this FEX download https://www.mathworks.com/matlabcentral/fileexchange/90762-further-tools-for-ana...

2 years ago | 1

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Answered
How to Remove Tail from Segmented Circle
Here is a similar tail-removal problem: https://www.mathworks.com/matlabcentral/answers/2035444-poor-results-for-neural-network...

2 years ago | 0

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How to calculate the Jaccard Index of two sets of points (x,y,z)
data1 = table2array(readtable('100 points.xlsx')); data2 = table2array(readtable('69296 points.xlsx')); jaccardIndex = heigh...

2 years ago | 0

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Answered
Identifying straight line & intersection with the curve from the binary image
load BWimage C=bwareafilt(BW&~imopen(BW,ones(1,8)),1); [I,J]=find(C); x=mean(J); y=max(I); %intersection coordinates ...

2 years ago | 1

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Do sfit and cfit objects carry the input x,y,z data? If not, why do they consume so much memory?
Never mind. I see now that the memory consumption is on ly 3.3KB, not MB. And I see from the test below that the data size does ...

2 years ago | 0

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Answered
Use reshape to isolate elements of kron product
You can use blkReshape from this FEX download https://www.mathworks.com/matlabcentral/fileexchange/115340-block-transposition-p...

2 years ago | 0

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Answered
Compute sensitivity coefficient from numerical gradient
I have no background in R. However, if you are trying to take the numerical gradient of a function, there is no native Matlab fu...

2 years ago | 0

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Unable to perform assignment because the left and right sides have a different number of elements.
Undoubtedly, it is because (k1v +k2v)*dt/2 is a vector, whereas your code pretends that it is a scalar. You should stop the code...

2 years ago | 0

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Find zeropoints with interpolation
x = linspace(0, 30, 100); y = 80*sin(2*pi/5*x); xq=linspace(min(x),max(x),numel(x)*1000); yq= interp1(x,y,xq,'cubic'); cro...

2 years ago | 0

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Answered
I need help with cubic splines containing pre existing conditions
e=0:2; xq=linspace(0,2,20); yq=spline(e,[1,e,1],xq); plot(e,e,'o',xq,yq,'.'); legend('Control Points','Interpolated','Loc...

2 years ago | 0

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How allocate a matrix to grids?
You could have a 4 dimensional array A=repmat(eye(2) ,1,1,10,14)

2 years ago | 0

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Need a help with a code to check if a circle in a image is closed or not
You could also use regionprops(kk,'EulerNumber'). It will be zero if the circle is whole. load circles subplot(121); imshow(...

2 years ago | 0

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Answered
cell2mat error in arraycell
load Check xx=logical([Sis{:}]')

2 years ago | 0

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Answered
cell2mat error in arraycell
load Check xx=cellfun(@logical,Sis)

2 years ago | 1