Ratio package:matrix-as-xyz

Converter of 3 kind of number (int,float,ratio) string to rational

>>> parse (equivalentPositions ratio) "" "x+1,y+2,z+3"
Right [[1 % 1,0 % 1,0 % 1,1 % 1],[0 % 1,1 % 1,0 % 1,2 % 1],[0 % 1,0 % 1,1 % 1,3 % 1]]