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dacy · 2009-04-09, 09:12

double(int(besselj(0,r),1,2))
或是
quadl(@(r)besselj(0,r),1,2)

2009-04-09, 09:12	#3
dacy 初级会员注册日期: 2009-04-07 年龄: 39 帖子: 1 声望力: 0	double(int(besselj(0,r),1,2)) 或是 quadl(@(r)besselj(0,r),1,2)