解一个微分方程组问题如下:du/dt=v+w dv/dt=-u+xw(t)与x(t)已知;初值:u(0)=x(0),v(0)=w(0);请问用matlab如何求解u、v?用改进欧拉法及四级龙格库塔法迭代求解,结果不理想,应该是我程序的问题.另外,请
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![解一个微分方程组问题如下:du/dt=v+w dv/dt=-u+xw(t)与x(t)已知;初值:u(0)=x(0),v(0)=w(0);请问用matlab如何求解u、v?用改进欧拉法及四级龙格库塔法迭代求解,结果不理想,应该是我程序的问题.另外,请](/uploads/image/z/6783947-35-7.jpg?t=%E8%A7%A3%E4%B8%80%E4%B8%AA%E5%BE%AE%E5%88%86%E6%96%B9%E7%A8%8B%E7%BB%84%E9%97%AE%E9%A2%98%E5%A6%82%E4%B8%8B%EF%BC%9Adu%2Fdt%3Dv%2Bw+dv%2Fdt%3D-u%2Bxw%28t%29%E4%B8%8Ex%28t%29%E5%B7%B2%E7%9F%A5%EF%BC%9B%E5%88%9D%E5%80%BC%EF%BC%9Au%280%29%3Dx%280%29%2Cv%280%29%3Dw%280%29%3B%E8%AF%B7%E9%97%AE%E7%94%A8matlab%E5%A6%82%E4%BD%95%E6%B1%82%E8%A7%A3u%E3%80%81v%3F%E7%94%A8%E6%94%B9%E8%BF%9B%E6%AC%A7%E6%8B%89%E6%B3%95%E5%8F%8A%E5%9B%9B%E7%BA%A7%E9%BE%99%E6%A0%BC%E5%BA%93%E5%A1%94%E6%B3%95%E8%BF%AD%E4%BB%A3%E6%B1%82%E8%A7%A3%2C%E7%BB%93%E6%9E%9C%E4%B8%8D%E7%90%86%E6%83%B3%2C%E5%BA%94%E8%AF%A5%E6%98%AF%E6%88%91%E7%A8%8B%E5%BA%8F%E7%9A%84%E9%97%AE%E9%A2%98.%E5%8F%A6%E5%A4%96%2C%E8%AF%B7)
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