This seems to work r = matrix(CallableSymbolicExpressionRing((theta,)), cos(theta/2)*s0 - I*sin(theta/2)*sy)
Are there other possibilities? Le jeudi 19 mai 2016 10:36:22 UTC+2, Alberto Verga a écrit : > > I want to define a matrix valued function: what is wrong with this code? > > s0 = matrix([[1,0],[0,1]]) > sy = matrix([[0,-I],[I,0]]) > r(theta) = cos(theta/2)*s0 - I*sin(theta/2)*sy > > r(1) does not evaluate to r(theta=1) > > Thanks! > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
