Extended Capabilities C/C++ Code Generation Generate C and C++ code using MATLAB® Coder™. Version HistoryIntroduced before R2006a expand all R2023b: Improved performance R2023b: Option to specify at which borders to remove structures See Also imkeepborder | conndefWhy...
在(x0,tn)处可以利用向前差分来逼近du/dx。(偏微分那个符号不会打就用d了。。)在(xJ,tn)处可以利用向后差分来逼近du/dx。如果想提高精度还可以用中心差分,来代替单侧差分,并假设边界上满足控制方程,联立两式得到边界上点的表达式。
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