大学高等数学的2元函数连续性:
大学高等数学的2元函数连续性:
讨论下面函数的连续性
(1)f(x,y)=(x-y)/(1+x^2+y^2)
(2)f(x,y)=[x+y];
讨论下面函数的连续性
(1)f(x,y)=(x-y)/(1+x^2+y^2)
(2)f(x,y)=[x+y];
数学人气:810 ℃时间:2020-02-05 05:39:36
优质解答
给你看看(1)的图像,区域[-2,2]x[-2,2]
我来回答
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