why function ray_class_number?? reply nothing?

asked 2014-02-16 02:44:08 +0100

cjsh gravatar image

I run ray_class_number in sagecell well,but what meanings is ray_class_number?even WIKI no ray_class_number....

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thank you very much! but I have known there......

cjsh gravatar imagecjsh ( 2014-02-17 01:07:36 +0100 )edit