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Matrix with two diagonals: Difference between revisions
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m (Corrected a typo.) |
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(1,7) 1
(7,7) 1
</pre>
=={{header|Maxima}}==
<syntaxhighlight lang="maxima">
/* Function that returns a square matrix with a diagonal and antidiagonal pattern in their entries */
diags(n):=genmatrix(lambda([x,y],if x=y or x+y=n+1 then 1 else 0),n,n)$
/* Example */
diags(6);
</syntaxhighlight>
{{out}}
<pre>
matrix(
[1, 0, 0, 0, 0, 1],
[0, 1, 0, 0, 1, 0],
[0, 0, 1, 1, 0, 0],
[0, 0, 1, 1, 0, 0],
[0, 1, 0, 0, 1, 0],
[1, 0, 0, 0, 0, 1]
)
</pre>
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