33 lines
598 B
Markdown
33 lines
598 B
Markdown
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# IsLowerTriangular
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Check if a square matrix is lower triangular.
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```
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bool matrix::IsLowerTriangular();
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```
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Return Value
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True if square matrix is lower triangular.
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Note
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Zero matrix of n-by-n size is triangular. Diagonal matrix is triangular. Bidiagonal matrix is triangular.
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Check if upper triangular part above the main diagonal contains all zeros.
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Lower triangular matrix
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```
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v 0 0 0 0 0
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v v 0 0 0 0
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v v v 0 0 0
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v v v v 0 0
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v v v v v 0
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v v v v v v
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```
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