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Question
How to vectorize the following operations?
For example, suppose we are going to calculate serveral quadratic forms: A is a 3-d array with shape (d,d,n). x y are 2d vector...
6 years ago | 2 answers | 1
2
answersQuestion
Low performance on Matrix operations when using parallel computing tools
Normal operations in Matlab are well optimized. For example, if I ran, A = rand(500,500); b = rand(500,1); tic ...
7 years ago | 0 answers | 0
0
answersQuestion
How to speed up Matrix Vector Multipliacation
I found that for large matrix with matrix multiplication, Matlab will automatically parallel calculate it. ( CPU usage 100%) How...
7 years ago | 1 answer | 0
1
answerQuestion
Wrong result when calling CBLAS dgemv function in a mex file
Code is as follows, extern "C" { #include "cblas.h" #include "mex.h" } #include<iostream> using namesp...
7 years ago | 1 answer | 0
