matlab 非线性参数辨识y=a*x+b*tan(c*x);求参数abc用matlab自带的nlinfit拟合的效果不是很好 p=nlinfit(x,y,@myFunc,[0.5,0.5,0.5]);请问还有什么更好的拟合方法么H=a*db+(b*tan(c*B)+sign(db));其中abc是需要求的参数H
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![matlab 非线性参数辨识y=a*x+b*tan(c*x);求参数abc用matlab自带的nlinfit拟合的效果不是很好 p=nlinfit(x,y,@myFunc,[0.5,0.5,0.5]);请问还有什么更好的拟合方法么H=a*db+(b*tan(c*B)+sign(db));其中abc是需要求的参数H](/uploads/image/z/10176211-19-1.jpg?t=matlab+%E9%9D%9E%E7%BA%BF%E6%80%A7%E5%8F%82%E6%95%B0%E8%BE%A8%E8%AF%86y%3Da%2Ax%2Bb%2Atan%28c%2Ax%29%3B%E6%B1%82%E5%8F%82%E6%95%B0abc%E7%94%A8matlab%E8%87%AA%E5%B8%A6%E7%9A%84nlinfit%E6%8B%9F%E5%90%88%E7%9A%84%E6%95%88%E6%9E%9C%E4%B8%8D%E6%98%AF%E5%BE%88%E5%A5%BD+p%3Dnlinfit%28x%2Cy%2C%40myFunc%2C%5B0.5%2C0.5%2C0.5%5D%29%3B%E8%AF%B7%E9%97%AE%E8%BF%98%E6%9C%89%E4%BB%80%E4%B9%88%E6%9B%B4%E5%A5%BD%E7%9A%84%E6%8B%9F%E5%90%88%E6%96%B9%E6%B3%95%E4%B9%88H%3Da%2Adb%2B%28b%2Atan%28c%2AB%29%2Bsign%28db%29%29%3B%E5%85%B6%E4%B8%ADabc%E6%98%AF%E9%9C%80%E8%A6%81%E6%B1%82%E7%9A%84%E5%8F%82%E6%95%B0H)
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