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Solution
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Solution provided by AtoZmath.com
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Lower Triangle Matrix checker calculator
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 1. `[[1,0,0],[2,3,0],[4,5,6]]`
2. `[[1,9,0],[2,3,0],[4,5,6]]`
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Example1. is Lower Triangle Matrix ?
`[[1,0,0],[2,3,0],[4,5,6]]`Solution:A square matrix, in which all elements above the main diagonal are zero, is called a lower triangle matrix. | `A` | = | | `1` | `0` | `0` | | | `2` | `3` | `0` | | | `4` | `5` | `6` | |
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Here, all elements above the main diagonal are zero, so it is a lower triangle matrix.
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