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``standard symbol for Hadamard product (ele-by-ele mult)?'' by RobsMathStinks on 2008-03-01 00:15:25
Is there a standard symbol for the Hadamard product?

This entry uses the centered open dot, and I've seen other references using that too. But then I've also seen the circle-dot used in print, or the heavy solid centered dot, or I've even seen folks (including myself) invent their own symbol.

Thanks. Sorry such a mindless question.
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