matlab 中间的积分求解不出来 v2 =exp(-2*u*theta)*Int(-1/2*g*(-12*a^4*b^2*cos(4*theta)+12*a^4*b^2+20*a^6+20*b^6-12*a^2*b^4*cos(4*theta)+12*a^2*b^4+6*a^2*b^4*cos(2*theta)-6*a^4*cos(2*theta)*b^2+6*a^4*b^2*cos(6*theta)-6*a^2*b^4*cos(6*theta)-30*
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![matlab 中间的积分求解不出来 v2 =exp(-2*u*theta)*Int(-1/2*g*(-12*a^4*b^2*cos(4*theta)+12*a^4*b^2+20*a^6+20*b^6-12*a^2*b^4*cos(4*theta)+12*a^2*b^4+6*a^2*b^4*cos(2*theta)-6*a^4*cos(2*theta)*b^2+6*a^4*b^2*cos(6*theta)-6*a^2*b^4*cos(6*theta)-30*](/uploads/image/z/13564728-0-8.jpg?t=matlab+%E4%B8%AD%E9%97%B4%E7%9A%84%E7%A7%AF%E5%88%86%E6%B1%82%E8%A7%A3%E4%B8%8D%E5%87%BA%E6%9D%A5+v2+%3Dexp%28-2%2Au%2Atheta%29%2AInt%28-1%2F2%2Ag%2A%28-12%2Aa%5E4%2Ab%5E2%2Acos%284%2Atheta%29%2B12%2Aa%5E4%2Ab%5E2%2B20%2Aa%5E6%2B20%2Ab%5E6-12%2Aa%5E2%2Ab%5E4%2Acos%284%2Atheta%29%2B12%2Aa%5E2%2Ab%5E4%2B6%2Aa%5E2%2Ab%5E4%2Acos%282%2Atheta%29-6%2Aa%5E4%2Acos%282%2Atheta%29%2Ab%5E2%2B6%2Aa%5E4%2Ab%5E2%2Acos%286%2Atheta%29-6%2Aa%5E2%2Ab%5E4%2Acos%286%2Atheta%29-30%2A)
matlab 中间的积分求解不出来 v2 =exp(-2*u*theta)*Int(-1/2*g*(-12*a^4*b^2*cos(4*theta)+12*a^4*b^2+20*a^6+20*b^6-12*a^2*b^4*cos(4*theta)+12*a^2*b^4+6*a^2*b^4*cos(2*theta)-6*a^4*cos(2*theta)*b^2+6*a^4*b^2*cos(6*theta)-6*a^2*b^4*cos(6*theta)-30*
matlab 中间的积分求解不出来
v2 =
exp(-2*u*theta)*Int(-1/2*g*(-12*a^4*b^2*cos(4*theta)+12*a^4*b^2+20*a^6+20*b^6-12*a^2*b^4*cos(4*theta)+12*a^2*b^4+6*a^2*b^4*cos(2*theta)-6*a^4*cos(2*theta)*b^2+6*a^4*b^2*cos(6*theta)-6*a^2*b^4*cos(6*theta)-30*a^6*cos(2*theta)+12*a^6*cos(4*theta)-2*a^6*cos(6*theta)+2*b^6*cos(6*theta)+30*b^6*cos(2*theta)+12*b^6*cos(4*theta))^(1/2)*exp(2*u*theta)*(-b*cos(theta)+u)/a/b/(4+2*b^2*cos(2*theta)+2*b^2)^(1/2),theta)+exp(-2*u*theta)*C1
matlab 中间的积分求解不出来 v2 =exp(-2*u*theta)*Int(-1/2*g*(-12*a^4*b^2*cos(4*theta)+12*a^4*b^2+20*a^6+20*b^6-12*a^2*b^4*cos(4*theta)+12*a^2*b^4+6*a^2*b^4*cos(2*theta)-6*a^4*cos(2*theta)*b^2+6*a^4*b^2*cos(6*theta)-6*a^2*b^4*cos(6*theta)-30*
积分求不出来是很正常的事情,用数值方法代替吧,建议最好用工具箱去解,命令功能没那么强.