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Solution
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Solution provided by AtoZmath.com
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Diagonal Matrix checker calculator
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 1. `[[1,0,0],[0,5,0],[0,0,9]]`
2. `[[1,1,0],[0,5,0],[0,0,9]]`
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Example (with steps)1. is Diagonal Matrix ?
`[[1,0,0],[0,5,0],[0,0,9]]`Solution:A square matrix, in which all elements except diagonal elements are zero, is called a diagonal matrix. | `A` | = | | `1` | `0` | `0` | | | `0` | `5` | `0` | | | `0` | `0` | `9` | |
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Here, all elements except diagonal elements are zero, so it is a diagonal matrix.
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