# Exponential function does not work for diagonal matrices

D = diagonal_matrix([0]) exp(D)

Exponential function does not work for diagonal matrices

**
asked 2019-12-25 21:27:47 +0200 **

Anonymous

D = diagonal_matrix([0]) exp(D)

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1

Thank you for the report. This is a bug with sparse matrices, which is now tracked at #28935.

As a workaround, you could use:

```
sage: diagonal_matrix([0], sparse=False).exp()
[1]
```

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Asked: ** 2019-12-25 21:27:47 +0200 **

Seen: **93 times**

Last updated: **Jan 01 '20**

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