ROPTLIB_2020-08-11

To make ROPTLIB more user-friendly, the container classes are updated and some commonly-used linear algebra operations are wrapped such as matrix multiplications, factorizations. See more details about the update in the update log and the user manual.

Please feel free to let me know if you have any questions.

Wen Huang
wen.huang@xmu.edu.cn

Old versions are available at https://www.math.fsu.edu/~whuang2/Indices/index_ROPTLIB.html

0.7: Retraction

*) Add a retraction based on polar decomposition for Stiefel manifold.
Its differentiated retraction is also added when the two inputs tangent
vectors are along the same direction.