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 个评论
Guillaume
2019-11-27
I'm sure it's possible to create a cryptic and unreadable one-liner to create this matrix, but why do you need that?
adem ski
2019-11-27
Guillaume
2019-11-27
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.
回答（1 个）
JESUS DAVID ARIZA ROYETH
2019-11-27
solution :
m=[ones(5,1) pi*eye(5) (5:9)']+[diag(4,3)+diag(3:4,2) zeros(4,3 ); zeros(1,7)]
0 个评论
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