f:=x->x^2+sin(x)+1: a:=0:b:=1: Integrate(f(x),x=a..b); integrate(f(x),x=a..b); Integrate(f(x),x=a..b)=integrate(f(x),x=a..b);
求数值解 f:=x->x^2+sin(x)+1: a:=0:b:=1: m:=integrate(f(x),x=a..b): f:=x->x^2+sin(x)+1: Integrate(f(x),x=a..b)=m; Integrate(f(x),x=a..b)=evalf(m);
f:=x->1/sqrt(1-x^2): Integrate(f(x),x=0..1/2)=integrate(f(x),x=0..1/2); |
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