Beantwortet
Is it possible to make a video play through of points showing yaw, pitch, and roll values?
Yes, you can use VideoWriter.

25 Tage vor | 0

Beantwortet
Volume of union and volume of intersection of convex hulls?
Use intersectionHull from this FEX download to find the intersection, https://www.mathworks.com/matlabcentral/fileexchange/3089...

25 Tage vor | 0

Beantwortet
How can I define a custom loss function using trainnet?
If you have multichannel output, the loss function will give you an SSIM per channel, e..g, loss = @(Y,targets) 1-ssim(Y,target...

26 Tage vor | 0

Beantwortet
MATLAB code of intersection
f=@(z) z(:,1:2)./z(:,3); t=(0:2:30)'; e=ones(size(t)); D=[cosd(t), sind(t), 0*e]; L1=cross(e*[0 0 1], D); L2=cross(e*...

27 Tage vor | 1

Beantwortet
Constructing a 3D matrix out of single column coordinate data with a corresponding value
Let's call your Nx4 matrix XYZV. xyzv=num2cell(sortrows(XYZV,[3,2,1]) ,1); [I,J,K,V] =deal(xyzv{:}); I=findgroups(I); J=...

27 Tage vor | 0

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Beantwortet
Constructing a 3D matrix out of single column coordinate data with a corresponding value
If you are trying to query velocity values at arbitrary 3D locations, do not use a 3D array. Instead, use scatteredInterpolant o...

28 Tage vor | 0

Beantwortet
How to close a figure made in one function, from a different function
How do I define ax in function B so that I can close Plot A You don't. You create ax in function A (it is obtained from the pl...

28 Tage vor | 0

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Gesendet

Grids of tiled chart layouts
A tool for simplifying the creation of nested tiled layouts

28 Tage vor | 6 Downloads |

Beantwortet
Merging files based on location similarity use polyshape and overlaps
The variable naming in your posted code doesn't reflect the terminology in your text explanation, making it hard to interpret. T...

28 Tage vor | 0

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Beantwortet
Multiple ylabels for tiledlayout
One approach would be to create a 2x1 tiledlayout where inside each tile you nest another tiledlayout of dimension 2x6. You can ...

30 Tage vor | 0

Beantwortet
lsqnonlin (lsqcurvefit , fmincon) does not change the variables in an optimization process to find the best fit
Consider the various recommendations at, https://www.mathworks.com/help/optim/ug/optimizing-a-simulation-or-ordinary-differenti...

etwa ein Monat vor | 1

Beantwortet
Loop through list of vectors (ie, the rows of a matrix), applying same "simple" function to each one, on GPU? Should I use arrayfun somehow?
Well whether you use the GPU or not, you don't have to loop across measurements. The operations in your example are trivial to v...

etwa ein Monat vor | 0

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Frage

Hovering in debug mode triggers a jump into get.property() methods
I have been experiencing an aggravating thing for the past several Matlab releases and for which I am looking for troubleshootin...

etwa ein Monat vor | 0 Antworten | 1

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Antworten

Beantwortet
Delete Negative Duplicates from Array
X=randi(9,3,4); X=[X,-X(:,1:2)] map=triu(squeeze(~any(X+reshape(X,3,1,[]),1))); [I,J]=find(map); X(:,[I;J])=[]

etwa ein Monat vor | 0

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Beantwortet
Area under the plot
bwarea(I_rev)

etwa ein Monat vor | 0

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Beantwortet
fill color between two curve
prf=3500; NumberOfAmbigiousArea=30; m=(1:NumberOfAmbigiousArea); rx = zeros(1,2*length(m)); %%%Distance of Amb Area p=prf...

etwa ein Monat vor | 1

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Beantwortet
pulling non-consistent arrays out of a structure
Here's a way you can extract and concatenate all the x,y data. However, I don't understand what you are trying to do with the m...

etwa ein Monat vor | 0

Beantwortet
How to assign outputs of a function to an anonymous function in order to optimize with lsqcurvefit
% test data xdata = ... [0.9 1.5 13.8 19.8 24.1 28.2 35.2 60.3 74.6 81.3]; ydata = ... [455.2 428.6 124.1 67.3 43.2 28.1 1...

etwa ein Monat vor | 0

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Beantwortet
Converting FEA data as table into n-D gridded-data Array for Use with 'griddedInterpolant'
x=unique(t{:,1}); nx=numel(x); y=unique(t{:,2}); ny=numel(y); z=unique(t{:,3}); nz=numel(z); v=permute( reshape(t{:,4},[ny,...

etwa ein Monat vor | 0

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Beantwortet
LU decomposition with 5 output arguments
dA=decomposition(A,'ldl'); x=dA\b;

etwa ein Monat vor | 1

Beantwortet
How to plot 3D image in MATLAB?
volshow(Image.*(Image>=threshold)) There are also a number of 3D viewers offered on the File Exchange.

etwa ein Monat vor | 0

Beantwortet
Issue with finding circle and it's center in the image
Your posted code cannot be run by us and tested because input data and your homemade imgshow() function are not provided. Howeve...

etwa ein Monat vor | 0

Beantwortet
Matrixes not multiplying correctly using for loops
[n,w]=size(a); [h,m]=size(b); assert(w==h,'Inner dimensions incompatible') c=zeros(n,m); for i = 1 : n for j = 1 : m...

etwa ein Monat vor | 1

Beantwortet
How to plot a large number of rectangles from a matrix
I don't really see why you need to find bounding rectangles to do what you describe. You could just represent the regions as pol...

etwa ein Monat vor | 0

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Beantwortet
Writing a function that accepts input argument that is one of 3 things
Does it want me to print the results of y using the fprintf function? No, it wants you to write the function fcn so that it beh...

etwa ein Monat vor | 1

Beantwortet
Weird unexplainable results when fitting gaussian curve
You need bounds to regularize the problem, load data [~,g]=fit(x(:),y2(:),'gauss1'); R2=g.rsquare [~,g]=fit(x(:),y2(:),...

etwa ein Monat vor | 1

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Beantwortet
Write a MatLab script to plot two ellipses using the plot function
As an example, here is a way to plot an unrotated ellipse of known major/minor axis lengths a,b. a=5; b=3; %major/minor axes ...

etwa ein Monat vor | 0

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Beantwortet
Does lsqnonlin handle a matrix objective function?
The matrix dimensions of the objective function output can be whatever you wish. It doesn't affect anything. The initialGuess c...

etwa ein Monat vor | 1

Beantwortet
I need to run code written for NVIDIA GPUs with at least 8gb of RAM
According to this, https://hub.docker.com/r/mathworks/matlab campus-wide licenses are "already configured for cloud use".

etwa ein Monat vor | 0

Frage

Is there a way to compute the n-th symbolic derivative of a function where n is also symbolic?
Is there a way to compute the n-th symbolic derivative of a function, where n is also a symbolic variable? The following does no...

etwa ein Monat vor | 1 Antwort | 0

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Antwort