Status: Valid
Owner: ----
Labels: Type-Enhancement Priority-Medium Matrices
New issue 3702 by [email protected]: Elemwise Matrix Operation
http://code.google.com/p/sympy/issues/detail?id=3702
We should have a way to broadcast any scalar operation to a matrix
operation by applying it element-wise.
It could look like this:
class Elemwise(MatrixExpr):
def __new__(cls, fn, X):
...
And be used like this
X = MatrixSymbol('X', 3, 4)
Y = Elemwise(sin, X)
or
x = Symbol('x')
Y = Elemwise(Lambda(x, cos(x)**2), X)
HadamardProduct would be a good model for this work. It is a special case.
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