matlab多维非线性拟合
时间: 2023-08-30 21:08:54 浏览: 162
在Matlab中进行多维非线性拟合可以使用lsqnonlin()函数。这个函数是Matlab自带的一个非线性拟合函数,它可以通过两种方法进行计算:最小二乘法(Levenberg-Marquardt算法)和信赖域法(trust region reflective)。其中,信赖域法是通过Hessian矩阵逐步试探邻域内的最小化来求解问题的,相比于雅可比相关的方法,信赖域法可能会占用更多内存和速度,适用于中小规模的矩阵。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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