# Revision history [back]

You don't say what is $B$.

Assuming that $B$ is some 2x2 matrix, the followig WorksForMe(TM) :

sage: g=Graphics()
sage: B=matrix([[1,2],[3,4]])
sage: for c in range(10):g+=parametric_plot(B*vector([x,c]),(x,0,2*pi))
sage: g.show()
Launched png viewer for Graphics object consisting of 10 graphics primitives


HTH,