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i want create this matrix
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i want create this matrix in one ligne command and use (ones,eye...)
m =
1.0000 3.1416 3.0000 4.0000 0 0 5.0000
1.0000 0 3.1416 4.0000 0 0 6.0000
1.0000 0 0 3.1416 0 0 7.0000
1.0000 0 0 0 3.1416 0 8.0000
1.0000 0 0 0 0 3.1416 9.0000
3 Comments
Guillaume
on 27 Nov 2019
Just write the matrix in your code as you've written it above. It'll be so much more readable that any one-liner and instantly clear what the matrix is.
Case in point, I'll challenge anyone reading Jesus' one liner to say what matrix it generates immediately upon reading the code.
Answers (1)
JESUS DAVID ARIZA ROYETH
on 27 Nov 2019
solution :
m=[ones(5,1) pi*eye(5) (5:9)']+[diag(4,3)+diag(3:4,2) zeros(4,3 ); zeros(1,7)]
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