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Question: how to write tridiagonal matrix

Question:how to write tridiagonal matrix

emma hassan 45
January 22 2013
2

I need to define a tridiagonal matrix in maple in such a way that

 

[b(1) a(1) . . . . .      . . . . . . .  . 0]

[a(2) b(2) a(2) 0 0 .  . . . . . . . . .0]

[0  a(3) b(3) a(3) 0 0 0 .     . . . .0]

[0 0     a(4)  b(4) a(4) 0 0  .       . 0]

[0 . . . . . . . . . . . . . . . . . . . . .  . .]

[. . . . . . . . .a(m-1) b(m-1) a(m-1)] 

 

 I have no idea how to construct this in maple, perhaps with a loop or any command. Can anybody help me.
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