Matrix Multiplication

[#1]

Perform matrix multiplication without Python or R. The number of columns in input A must be equal to the number of rows in input B. The output C has the number of rows of A and the number of columns of B. All columns should be numeric. [Inspired by this thread.]

[patrick_digan]

Very Cool Neil!

[IraWatt]

This is pretty cool, I didn't think it could be done with a standard macro that nicely 😮