Matrix determinant

- example
`d = det(A)`

Avoid using `det`

to examine if a matrix is
singular because of the following limitations. Use `cond`

or `rcond`

instead.

Limitation | Result |
---|---|

The magnitude of the determinant is typically unrelated to the condition number of a matrix. | The determinant of a matrix can be arbitrarily large or small without changing the condition number. |

| The determinant calculation is sometimes numerically
unstable. For example, |

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