create a matrix with ones and zeros
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in need to create an array of 20-by-20 the first row needs to be 19 ones and 1 zero the first column is all ones the last row is is all ones from the first row first column diagnally to the last row last column needs to be filled with ones, the rest are all zero.
now I can type this all out but there must be a better way
my question is how do i create this array?
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Star Strider
2014 年 9 月 6 日
編集済み: Star Strider
2014 年 9 月 6 日
This looks like what you want:
a = ones(1,20);
M = diag(a);
M(1,:) = [ones(1,19) 0];
M(:,1) = a';
M(20,:) = a;
3 件のコメント
Star Strider
2014 年 9 月 6 日
My pleasure!
I just realised that I could have used ‘a’ in M(1:) as well:
M(1,:) = [a(1:19) 0];
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