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Hadamard product

Defines: 
Oppenheim inequality
Type of Math Object: 
Definition
Major Section: 
Reference

Mathematics Subject Classification

15A15 no label found

Comments

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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