LAI by Erwin Torreao Dassen

A linear algebra over the integers package based on layered lattices. (mathematics, lattices, linear algebra)

LAI

Symbolic Matrix by Zachary Danziger

Creates a matrix composed of properly indexed symbolic elements. (mathematics, linear algebra, symbolic math)

symMat(dims,Mname,type)

Introduction to Linear Algebra by Gilbert Strang

Companion Software (mathematics, linear algebra, theory)

BASIS(A)

addvec(v,w)

atimesv(a,v)