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If I want to numerically calculate an expression involving several terms and I am worried about efficiency should I numerically calculate each term? For example is there a difference between:

data = [ (sin(t)*exp(t)).n() for t in srange(0,10,0.01) ]

vs

data = [ sin(t).n()*exp(t).n() for t in srange(0,10,0.01) ]

?

If I want to numerically calculate an expression involving several terms and I am worried about efficiency should I numerically calculate each term? For example is there a difference between:

data = [ (sin(t)*exp(t)).n() for t in srange(0,10,0.01) ]
srange(0, 10, 0.01) ]

data = [ sin(t).n()*exp(t).n() for t in srange(0,10,0.01) ]
srange(0, 10, 0.01) ]