Hi everyone,

I am building a sensor fusion framework based on nalgebra, and found out that we do not have support for Lie algebra operations like expmap and logmap. Is is appropriate to add them here or should I implement them in my own crate by using some traits?

Many thanks,

Fan

Migrated from https://bitbucket.org/gap-system/gap/issues/31/maximumlist-and-minimumlist-wrt-to

@JHahnHRO created an issue 2014-08-29

The sort method has a version that is able to sort a list w.r.t. to any given ordering instead of the ordering defined by <. But analogous methods for maximum and minimum finding are missing. I've attached my suggestion of how to implement these methods. It w

improve HarmonicNumber implementation:
https://github.com/axkr/symja_android_library/blob/master/symja_android_library/matheclipse-core/src/main/java/org/matheclipse/core/builtin/Arithmetic.java#L1825

• https://en.wikipedia.org/wiki/Harmonic_number
• https://medium.com/cantors-paradise/the-celebrated-harmonic-numbers-and-how-to-approximate-them-b8747a4efeec