I'm trying to show how a set of lines changes with a matrix transformation. The part i am having trouble with is:
g=Graphics()
for c in range(10):
g.add_primitive(parametric_plot(B*vector([x,c]) , (x, 0, 2*pi)))
show(g)
Because it doesn't plott the lines like i wanted but instead gives me
'Graphics' object has no attribute 'options'
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,
yes, B is a matrix, but why doesn't my code work?
I am not sure that parametric_plot returns a graphic primitive... May be a bug.
Asked: 2018-04-20 22:02:29 +0100
Seen: 274 times
Last updated: Apr 21 '18
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