推 clouddeep:分成四條路徑應該就可以積了~ 02/22 00:39
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 123.195.83.23
Evaluate the line integral
dx + dy
∫ -----------------
D |x| + |y|
where D is the rectangle with vertices (1,0),(0,1),(-1,0),(0,-1)
謝謝
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