According to the function value of some discrete points in the function, the derivative of the derivative at a given point or the approximation of a higher order derivative is calculated. Usually with difference quotient instead of derivative, or one can approximate the function instead of a simple function (such as polynomial, spline function approximation) the corresponding derivative as the derivative value.

第7章 数值微分\CISimpson.m
第7章 数值微分\Diff2BSample.m
第7章 数值微分\DiffBSample.m
第7章 数值微分\DISimpson.m
第7章 数值微分\FivePoint.m
第7章 数值微分\FivePoint2.m
第7章 数值微分\FourPoint.m
第7章 数值微分\FourPoint2.m
第7章 数值微分\MidPoint.m
第7章 数值微分\Richason.m
第7章 数值微分\SmartDF.m
第7章 数值微分\ThreePoint.m
第7章 数值微分\ThreePoint2.m
第7章 数值微分

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