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yu wang

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yu wang received Commenter badge for Problem 23. Finding Perfect Squares

on 22 Sep 2020

yu wang submitted a Comment to Problem 23. Finding Perfect Squares

intersect的返回值为一个向量,即使a和b的交集为空集,返回值仍为向量 x=[20:30] 例如:intersect(x.^2,x) ans = 空的 1×0 double 行向量 所以isvector(intersect(x.^2,x))是错误的 而isempty是判断数组是不是空的,所以isempty可行

on 22 Sep 2020

yu wang received Community Group Solver badge for Basics on Vectors

on 22 Sep 2020

yu wang submitted Solution 2971369 to Problem 1107. Find max

on 20 Sep 2020

yu wang received Solver badge for Solution 2920543

on 7 Sep 2020

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