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  1．熟悉matlab基础操作。 2．能够用Lagrange插值, Newton插值法对函数表进行一次、二次、三次插值，体会各种插值方法不同的特点。 (A. Familiar with matlab underlying operating. Two. With Lagrange interpolation, Newton interpolation function table once, quadratic, cubic interpolation, and appreciate the different characteristics of the various interpolation methods.)