www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/DetermineTimetoComputeMatrixSummationExample.m
%% Determine Time to Compute Matrix Summation % Time the combination of several mathematical matrix operations: matrix % transposition, element-by-element multiplication, and summation of % columns. %% % Copyright 2015 The MathWorks, Inc. A = rand(12000,400); B = rand(400,12000); f = @() sum(A.'.*B, 1); timeit(f)