MATLAB中求定积分
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MATLAB中求定积分
我编程如下
int((-0.0342)*x^6-0.016*x^5+1.3545*x^4+0.4611*x^3-16.9306*x^2-2.9858*x+33.9888,x,-3.1416,3.1416)
可是系统报错
Error using ==> mpower
Matrix must be square.
是怎么回事啊,
我编程如下
int((-0.0342)*x^6-0.016*x^5+1.3545*x^4+0.4611*x^3-16.9306*x^2-2.9858*x+33.9888,x,-3.1416,3.1416)
可是系统报错
Error using ==> mpower
Matrix must be square.
是怎么回事啊,
![MATLAB中求定积分](/uploads/image/z/15563961-9-1.jpg?t=MATLAB%E4%B8%AD%E6%B1%82%E5%AE%9A%E7%A7%AF%E5%88%86)
syms x
>> int((-0.0342)*x^6-0.016*x^5+1.3545*x^4+0.4611*x^3-16.9306*x^2-2.9858*x+33.9888,x,-3.1416,3.1416)
ans =
-0.1235977977
>> int((-0.0342)*x^6-0.016*x^5+1.3545*x^4+0.4611*x^3-16.9306*x^2-2.9858*x+33.9888,x,-3.1416,3.1416)
ans =
-0.1235977977