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Nathan Zechar


Last seen: Today Active since 2020

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Question


Fastest way to differentiate only the sides of large matricies
I believe I have found one of the fastest ways to differentiate different portions of a large matrix using built in Matlab funct...

21 giorni ago | 1 answer | 1

1

answer

Question


Why is pagemtimes slower than just coding up the matrix multiplication?
I noticed that pagemtimes is slower than just expanding an equation and coding it on both CPU and GPU. But for GPU it is excepti...

5 mesi ago | 1 answer | 0

1

answer

Answered
Why is pagemtimes slower on GPU than a CPU?
Hello David, I have a similiar problem and have found that pagemtimes is slower than just expanding an equation and coding it on...

5 mesi ago | 0

Answered
How to multiply higher order matrices?
Here's an example. This is one way of doing it. clear all a = 10; %% Convert 3D matrix to 5D for tensor matrix multiplic...

5 mesi ago | 0

| accepted

Question


How to multiply higher order matrices?
Hello, I am attempting to multiply a 5D 3x3x3x3x3 matrix and a 5D 3x3x3x3x1 matrix in order to produce a 4D matrix of 3x3x3x3 af...

5 mesi ago | 3 answers | 0

3

answers

Question


Large discrepency between CPU and GPU with fftn and ifftn?
Hello, I am using a GPU to compute multipul 3D FFTs. I've come across a problem where the output I am recieving from the GPU FF...

oltre un anno ago | 1 answer | 0

1

answer

Question


Parallel Processing with Multipul GPUs - fftn
Hello, I was wondering it is possible to utilize multipul GPUs to perform several ffts in a manner where each individual fft cou...

oltre un anno ago | 1 answer | 1

1

answer

Question


How much additional memory is needed to perfrom a 3D FFT other than matrix to be transformed? GPU application.
Hello. I'm trying to gain an understanding of how much memory is needed to perform an FFT, and if it is different with respect t...

oltre un anno ago | 1 answer | 0

1

answer

Question


Alternatives to accumarray for faster calculations?
Hello, I have taken someone else's code which had several for-loops in it, and vectorized the code. The code now runs extremelly...

oltre un anno ago | 1 answer | 0

1

answer