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Solution
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Solution provided by AtoZmath.com
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Upper Triangle Matrix checker calculator
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 1. `[[1,2,3],[0,4,5],[0,0,6]]`
2. `[[1,2,3],[0,4,5],[1,0,6]]`
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Example (with steps)1. is Upper Triangle Matrix ?
`[[1,2,3],[0,4,5],[0,0,6]]`Solution:A square matrix, in which all elements below the main diagonal are zero, is called a upper triangle matrix. | `A` | = | | `1` | `2` | `3` | | | `0` | `4` | `5` | | | `0` | `0` | `6` | |
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Here, all elements below the main diagonal are zero, so it is a upper triangle matrix.
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