Federico Magnani

LBFGS with constraints on x

1

First of all I want to say thanks to all the contributors of this crate, you've done an amazing job. I'm getting started with argmin running some basic examples. I...

Add matlab-like tril method for two-dimensional arrays

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Adding `trill` method for two-dimensional arrays in order to create a lower triangular matrix from a given matrix. This function reproduces the behavior of the [Matlab function with same name](https://www.mathworks.com/help/matlab/ref/tril.html):...

**Describe the bug** I've encountered an issue with the optimizer where it enters an infinite loop when the starting point is close to the minimum. This seems to occur because...

Add more context to missing key error

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Closes #2059 ### This PR: ### This PR does not: ### Key places to review: