Problem 1812. Tridiagonal

Created by Disha

Solve Later

Return an n-by-n matrix that has a, b, c as the subdiagonal, main diagonal, and superdiagonal entries in the matrix.

Example

 a=1
 b=2
 c=3
 n=5
 T =  [2     3     0     0     0;
       1     2     3     0     0;
       0     1     2     3     0;
       0     0     1     2     3;
       0     0     0     1     2]

Solve

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182 Solutions
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Last Solution submitted on Apr 29, 2020

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4 Comments

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J.R.! Menzinger on 14 Aug 2013

did you mean n=4 and not d=4?? ;-)

Nicolae Preda on 14 Aug 2013

it seems that the test code is broken n!=d

Ned Gulley on 15 Aug 2013

I fixed the test suite so that n is used instead of d.

goc3 on 15 Mar 2017

Additional test cases have been added.

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Problem 1812. Tridiagonal

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Problem 1812. Tridiagonal

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