"The Path Mapper doesn't do any calculations in that sense. What it does is allows you to assign data to different paths so that you have the ability to control the data matching at a much more advanced level.
There is no simple mapping for…"
"The Maths operators won't work on Matrices. I don't know if it is planned to or not.
If you want to use Native Grasshopper Components for Matrix Operations then you will have to deconstruct the matrix and then Data Match the required…"
"Good question, but Sorry I don't know why; I've never used matrices in Gh before. If you know a bit of Python, maybe you are better of installing numpy and scipy. However those libraries only work on Rhino 32bits and the latest gh version…"