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Question
请教如何大致判断求积分能否用符号运算解决。
clear syms x f1=x*log(x) s1=int(f1,x,1,2) 可以顺利得出s1 =log(4) - 3/4 而 clear syms t x ft=exp(-abs(sin(t))) sx=int(ft,t,0,4)...
3 years ago | 1 answer | 0
