直积、直和、笛卡尔积、张量积的区别是什么,在�普书上看到的,求一个直观的通俗解释? 知乎 Template




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tomski直积、直和、笛卡尔积、张量积的区别是什么,在�普书上看到的,求一个直观的通俗解释? 知乎 coloring