Python Sympy计算变限积分积分函数含有对数（log）时，遇到的问题。
import sympyZ, x, t ,H1 ,H2,H3,H4= sympy.symbols('Z,x,t,H1,H2,H3,H4')z11 = Z ** 3 + 0.01H1 = Z ** 2 * (- ( -16 * 41.3399927 * Z ** 3 - 48 * 41.3399927 * sympy.log(Z) - Z * (16 * -1634.89996 - 144 * 41.3399927) - ( -240 .
