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wrong type variable in uitable
"Unrecognized property 'VariableTypes' for class 'matlab.ui.control.Table'." Indeed, there is no such property. Why did you put...

environ 2 ans il y a | 0

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create a 3D average plan (or normal) from two 3D plans (or normals)
There is no universally recognized concept of an "average plane". One definition you could adopt is the plane obtained by fittin...

environ 2 ans il y a | 0

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polynomial multiplication not accurate, using conv() vs symbolic
To avoid the numerical instabilities of high order polynomials, don't work with the coefficients of D4_poly^2. Just evaluate D4_...

environ 2 ans il y a | 0

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Should I modify x-values for curve fitting with response variable?
Matlab's fitting solvers do not require the x data to be equidistant. I'm not sure why it would be a matter of opinion, though...

environ 2 ans il y a | 1

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Question

Is there a reason why {'charVector'} is not considered a text scalar for argument validation purposes?
It seems like a software design inconsistency to me that this passes validation, mustBeText({'charVector'}) mustBeScalarOrEmpt...

environ 2 ans il y a | 2 réponses | 4

2

réponses

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I have the 3D MTF and i want to convert this 3D MTF to the common 2D MTF as in the image attached. I want to plot MTF vs Spatial frequency graph.
Your attachment isn't a 2D MTF. It is a 1D MTF. You must pick a 1D cross-section of your 3D MTF that you'd like to plot and extr...

environ 2 ans il y a | 0

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Problem with polyfit command (R2015a)
The result from polyfit is correct. I suspect you are simply not using polyval properly to evaluate the fit: x=[1:9] ; y=[5,6,...

environ 2 ans il y a | 1

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How to re-generate script from already built workspace
The script, if you saved it is a file somewhere on your computer. We have no way fo knowing where you put it. However, if you re...

environ 2 ans il y a | 0

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Improving chose of guesses in my fit
It appears from the plot that you are giving nlinfit the data for all peaks simultaneously. You should not be doing that. Rather...

environ 2 ans il y a | 1

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Identifying all elements and their nodal coordinates given all possible nodes
Assuming the cube is unrotated, V=[0,0,0;0,0,1;0,1,0;0,1,1;1,0,0;1,0,1;1,1,0;1,1,1]+[5,6,7] %cube vertices vmin=min(V); vma...

environ 2 ans il y a | 1

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Passing additional minibatchable quantities to a trainnet() loss function
Tech support has told me that the way to do this is to supply N strings in the TargetDataFormats training options parameter. tra...

environ 2 ans il y a | 0

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Object-Oriented: strange behavior that leads to shared reference
The reason this occurs is documented here. Default property values are only generated once when the classdef is first instantiat...

environ 2 ans il y a | 0

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Extract area from elipsoidal/cirle trajectory.
load data ymin=min(y); [xx,yy]=deal(x,y); xx(end+1)=x(end); yy(end+1)=ymin; p=regions(polyshape(xx,yy)); h=arrayfun(@...

environ 2 ans il y a | 0

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I want all possible distinct lists of the pairs of the elements that can be made from a vector having j ones, j twos, and j threes where j is an even integer.
This code doesn't seem to do too badly. I can easily run up to j=100. As you can see from the loop limits, I find the number of ...

environ 2 ans il y a | 1

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How can I restart the optimization in "Optimize Live Editor"?
Not sure what you mean by "clean"? The widgets in the Live Task must always be populated with something, so if you want to run w...

environ 2 ans il y a | 0

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how to remove variables of a table with a zeros in it
keep=all(yourTable{:,:},1); yourTable=yourTable(:,keep);

environ 2 ans il y a | 0

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3D resize image for BIG image size
My another strategy is I can read them separately for all Z and reduce image half in X and Y using "tiffreadVolume" and "imresi...

environ 2 ans il y a | 0

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How do I put a uitable in a tiledlayout?
If you are going to be inserting uitables, it would be advisable to use UI graphics elements everywhere else too, fig=uifigure...

environ 2 ans il y a | 1

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How can you update plot data from properties in an object?
Consider animatedline

environ 2 ans il y a | 0

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Error with Vector Length
The code you've shown produces empty t: t0=0; t1=-10; t2=20; [x,t]=step(t0,t1,t2); x=x',t

environ 2 ans il y a | 0

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Can I use lsqcurvefit for a multivariable nonlinear regression
Yes, lsqcurvefit can be applied to problems of any dimension.

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How to rotate a hyperbola drawn along with the reference line?
%% Input values D = 250; % mm distance c = 4; % mm/s velocity del = 10; % a constant theta...

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Circle fit in pointcloud, stl
See the section "Fitting a 2D Shape to 3D Points" in the Examples tab of this FEX submission: https://www.mathworks.com/matlabc...

environ 2 ans il y a | 0

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How can I rotate a volshow image programatically?
Can I rotate the volume instead of the camera? Yes, you can use the Transformation property.

environ 2 ans il y a | 1

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What is the best data structure for mapping a key to an array of values in MATLAB?
Dictionaries are supposed to be faster than structs, but they require a recent Matlab version. keys="UniqueKey"+(1:3)'; valu...

environ 2 ans il y a | 1

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Property Type in constructor vs dependent
Property type specifiers, such as the double specifier in, properties (Dependent) D_b double end only perfor...

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Which is the difference between 'multi-gpu' and 'parallel-gpu' in 'trainingOption' function of the DeepLearning Toolbox?
According to the doc, 'parallel-gpu' has the additional capability of being able to use remote GPUs. Since that doesn't apply to...

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Find the coordinates of the nodes of an matrix inside another matrix
Sounds like you could just use ismember(___,'rows')

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Use of tensorprod function to compute multilinear forms
res=A; while ~isvector(res) res=pagemtimes(v',squeeze(res)); end res=res*v

environ 2 ans il y a | 0

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Use of tensorprod function to compute multilinear forms
n = 3; A = rand(n,n,n,n); v = rand(n,1); J=pagemtimes(v',pagemtimes(A,v)); res=v'*reshape(J,[n,n])*v

environ 2 ans il y a | 0