Statistics
1 Question
0 Answers
RANK
94,491
of 300,853
REPUTATION
0
CONTRIBUTIONS
1 Question
0 Answers
ANSWER ACCEPTANCE
100.0%
VOTES RECEIVED
0
RANK
of 21,094
REPUTATION
N/A
AVERAGE RATING
0.00
CONTRIBUTIONS
0 Files
DOWNLOADS
0
ALL TIME DOWNLOADS
0
RANK
of 171,319
CONTRIBUTIONS
0 Problems
0 Solutions
SCORE
0
NUMBER OF BADGES
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Discussions
AVERAGE NO. OF LIKES
Feeds
Question
对数组进行预分配后，反而严重降低了赋值的速度，请问如何解决？
数组预分配后，赋值操作反而需要更多的时间，矩阵的维度越大，预分配后进行赋值需要的时间更多。 注释掉预分配语句后，赋值时间减少 clearvars test_h_matx_diag = zeros(1024,1024,360); % 预分配语句 h_...
1 year ago | 1 answer | 0
