Implement matrix addition
Expand useful utilities out of matrix addition
fixup! Expand useful utilities out of matrix addition
Simplify 'slices' with 'slice'
Simplify 'slice'
Add 'nonzero'
Simplify 'add'
mult: Implement matrix-matrix multiplication
add: Avoid allocating intermediate rows
add: remove duplicate items while adding
Remove copyImm
mult: remove extra allocations from expand
Add INLINE notations to top-level functions
mv: generalize type to all vectors
mvM: generalize to any vector type