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i want create this matrix

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adem ski
adem ski 2019-11-27
关闭: MATLAB Answer Bot 2021-8-20
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
adem ski
adem ski 2019-11-27
i want this matrix for start make program
can you help me!
Guillaume
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
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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