那是当然,但有的积分根本没有原函数,高级的matlab语言还是把积分形式写了出来,然后你可以进一步做运算。>> syms k a >> f=sqrt(1-k^2*sin(a));>> int(f,a,0,pi/2)ans = piecewise([k in Dom::ImageSet(x*1i, x, R_) & ~in(k^2, 'real'), 2*(k^2 + 1)^(1/2)*...
diff(a*x^3+b*y^2+c*x+d,x,3) % 6*a diff(a*x^3+b*y^2+c*x+d,y,3) % 0 int(a*x^3+b*y^2+c*x+d,y) % (b*y^3)/3 + (a*x^3 + c*x + d)*y int(a*x^3+b*y^2+c*x+d,y,0,1) % a*x^3 + c*x + b/3 + d limit(a*x^3+b*y^2+c...