作者BIEGABOY (BIEGABOY)
看板trans_math
标题[积分] 黎曼和
时间Thu Feb 4 14:55:03 2010
Let f:R-->R be a function defined by f(x)= 0,if x is rational.
1 1,if x is irrational.
Find the Riemann integral ∫ f(x)dx.
0
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1F：推 doa2:这不是黎曼不可积吗.. 110.50.128.107 02/04 15:02
2F：→ smartlwj:上和不等於下和 不可积 123.195.38.114 02/04 15:30
3F：→ ntust661:经典啦XD122.122.219.238 02/04 17:49
4F：→ BIEGABOY:可以说清楚一点吗??那上下和要怎麽求? 118.171.35.41 02/04 19:04
5F：→ BIEGABOY:感谢各位...!!! 118.171.35.41 02/04 19:04