Community Profile

photo

Wei HU


Last seen: mehr als ein Jahr ago Active since 2018

Statistics

  • Thankful Level 1

View badges

Content Feed

View by

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...

mehr als 3 Jahre ago | 2 answers | 1

2

answers

Question


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 ...

mehr als 4 Jahre ago | 0 answers | 0

0

answers

Question


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...

mehr als 4 Jahre ago | 1 answer | 0

1

answer

Question


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...

mehr als 4 Jahre ago | 1 answer | 0

1

answer