Question

CPU-gpuArray transfer speeds on modern GPUs
For a long time, the conventional wisdom has been that, when computing on the GPU, one should try to minimize CPU-GPU transfers,...

3 years ago | 0 answers | 2

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Filling some of the 2d matrix arrays with having vector's indexes
Using accumarray, probably. However, you haven't described what values A(I,J) are supposed to be filled with and the role of my_...

3 years ago | 0

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Interpolate data between two specified contours
We don't know in what form your input data exists. Most of the contour plotting functions allow you to specify the isocontour le...

3 years ago | 0

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Why does my subtraction yield different results?
isequal(eps(x),eps(x_test))=1 does not establish that x=x_test. You misunderstand what eps() does. eps(1) eps(1.1) isequal(...

3 years ago | 1

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How can I combine two double arrays into one but in different rows and columns within Matrix
A = [0;0;0;1;1;1;2;2;2]; B = [5,6,7,8;1,2,3,4;0,1,2,3]; b=B(:,2:end)'; C=[A(:),b(:)]

3 years ago | 0

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What exactly are Handle Compatible Classes? Are they a combination of handle and non-handle classes?
I found that the objects defined by A do not belong to any class! Why is this happening? The syntax of of isa() is, isa(object...

3 years ago | 1

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NONLCON must be a function using lsqnonlin
No, you have set the nonlcon argument to Cexp which is a numeric vector. You should review the documentation for the correct ord...

3 years ago | 0

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Counting zeros which are lying between nonzero elements by considering consecutive zeros as a single element in a matrix
A=[1 0 1 1 1 0 0 1;0 1 0 1 1 0 1 0;0 0 1 0 0 0 0 0;1 0 1 1 0 0 1 1] d=diff(A,1,2); result= max(0, min( sum(d==-1,2) - ~A(:,...

3 years ago | 0

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Is there a way to have C1 continuous curve fit?
You could use this spline fitting tool: https://www.mathworks.com/matlabcentral/fileexchange/24443-slm-shape-language-modeling ...

3 years ago | 1

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What functions need GPU support
Sparse array indexing would be one example, e.g >> A=gpuArray.speye(5) A = (1,1) 1 (2,2) 1 (3,3)...

3 years ago | 0

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How can I have similar left side starting point for multiple plots on tiledlayout?
You can use xlim to set where you want each plot to begin.

3 years ago | 0

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inline function returning multiple output variables
A wrapper is needed. tdata = table(["US";"US";"US";"UK";"UK";"TW";"TW";"TW";"TW"], [1;1;5;1.20000000000000;3;4;5;1;2],'Variable...

3 years ago | 0

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How does imwarp interpolate data when using displacement fields?
No, in terms of what I would expect at least, a simple left shift is giving me the right thing (see below). I = imread('camera...

3 years ago | 0

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Any update on lsqcurvefit with gpuArray?
I recently had a conversation with the Mathworks about adding gpuArray support to Optimization Toolbox Solvers. The transcript i...

3 years ago | 0

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Shifting elements and replacing empty places with zeros
The B that you have provided is not what the title of your post describes. I assume you meant the following, A =[3 ,7, 9, 2]; ...

3 years ago | 0

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Is it possible to seal a class constructor method
Constructors are always sealed innately. The child class method that you've created with the same name as the parent constructor...

3 years ago | 1

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I'm using the online trial version, and I cannot see computer vision tool box; did I miss anything?
The Computer Vision Toolbox is not an app that needs to be run separately within Matlab. Like any toolbox, it provides you with ...

3 years ago | 0

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Why result of conv and point wise multiplication has different result?
In one case, you are using conv(___'same'). The 'same' flag will throw away some of the resulting points. In the second case, ...

3 years ago | 0

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fmincon for multiple variables
Y = double( (1-y1)+(1-y3)+(y2) ); But I don't see why you are using vpa and other sym operations. I don't think it really incre...

3 years ago | 1

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Cumsum resulting in cumulative error compared to looping
Is this just a result of the loss of precision as the vector index increases? Yes The error will accumulate more with cumsum(),...

3 years ago | 0

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Avoiding for loop: Ordering and assigning order of Group data
tdata = table(["US";"US";"US";"UK";"UK";"TW";"TW";"TW";"TW"], [1;1;5;1.20000000000000;3;4;5;1;2],'VariableNames',{'name','Loss'}...

3 years ago | 0

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(par)for k=1:N end; select for or parfor loop without code replication
You can avoid replicating the loop code as follows. numWorkers={}; % or whatever if ~parflag numWorkers={0}; end par...

3 years ago | 2

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penalty value of matlab ga optimization
It is the solution that ga thinks is the global optimum.

3 years ago | 0

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Interpolation between 3D data sets. Neural Networks or Other Methods?
Some of the routine interpolation functions to consider would be: griddedInterpolant, scatteredInterpolant, interp3, griddata,gr...

3 years ago | 0

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Converting the outpur of a fit (e.g. sfit) into a string format, then pasting the text to a Text Area in app desginer
I don't know how I can convert the output of a fit, which in my case comes as the class "sfit", into a text format that can then...

3 years ago | 0

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How to extract sequences from a table?
Another option, using varfun: load FCTable T=FCTable; T.tradeDate=dateshift(FCTable.tradeDate,'start','day') ; out = var...

3 years ago | 0

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How to extract sequences from a table?
Calling your table T, out = splitapply(@(x){x} , T{:,[1:10,12:end]},findgroups(T.tradeDate))

3 years ago | 1

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find element a content in b..
I don't know why you think there should be a 4 in the result. a = [5 20 0 3 5 1 1 10]; b = [3 ...

3 years ago | 0

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Speed up gain by GPU parallel processing
The operations that benefit from GPU acceleration are vectorized matrix operations and commands, e.g., https://www.mathworks.co...

3 years ago | 0

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Problem in Deep Learning training process
If I had to guess (I do have to), it is because numClasses=1 and you only have one label, accidentally of course. This response ...

3 years ago | 1

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