Matrix with two diagonals: Difference between revisions
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(→{{header|Ruby}}: Add Ruby) |
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</pre> |
</pre> |
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=={{header|Ruby}}== |
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<syntaxhighlight lang="ruby">require 'matrix' |
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class Matrix |
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def self.two_diagonals(n) |
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Matrix.build(n, n) do |row, col| |
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row == col || row == n-col-1 ? 1 : 0 |
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end |
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end |
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end |
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Matrix.two_diagonals(5).row_vectors.each{|row| puts row.to_a.join(" ") }</syntaxhighlight> |
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{{out}} |
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<pre> |
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1 0 0 0 1 |
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0 1 0 1 0 |
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0 0 1 0 0 |
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0 1 0 1 0 |
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1 0 0 0 1 |
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</pre> |
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=={{header|Sidef}}== |
=={{header|Sidef}}== |
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<syntaxhighlight lang="ruby">func dual_diagonal(n) { |
<syntaxhighlight lang="ruby">func dual_diagonal(n) { |
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