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如何用matlab求解离散变量二阶导数？。
敢问各位大侠，如何用matlab求解离散变量的二阶导数？ 其实我想求光谱曲线的二阶导数，矩阵第一列数据是光谱波段（离散型），其余各列数据是光谱反射值，要求每一条光谱数据的二阶导数。
3 years ago | 1 answer | 0
