Feeds
提问
Find the amount of graph intersections
r=(-2:0.03:5); w=(-2:0.04:0); g=cos((5.*r.^2+r-5)./(2.*r-3)+sqrt((r.^2+6)./(5-r)).^(1./3)+5.*r); f=sin((w.^2+6.*w-2)./(w...
2 years 前 | 1 个回答 | 0
1
个回答提问
How to make my graph longer?
a=(-10:2:10); f=(5.*a-cos(2+a.^2)+sin(0.25.*a+2)); plot([a,f],'--'); hold on; osx=zeros(size(a)); plot([a,f],'b--'); ...
2 years 前 | 1 个回答 | 0
1
个回答提问
Extract columns and rows from matrix
I need to extract a column (let's say 1st) from 1st matrix (5x5) to use it as a row (let's say 5th) in a 2nd matrix (5x5). Than...
2 years 前 | 1 个回答 | 0
