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 | 1 | initial version |
piecewise currently only supports a single variable, but in your case you could factor out the x and define
f(x,y) = x * piecewise([[(-oo,0), sin(y)/y], [[0,0], 1], [(0,oo), sin(y)/y]])
The square brackets around the origin denote a closed domain to ensure that point is included.
