DIFFERENCE SPLINE CURVE AND SURFACE INTERPOLATION WITH ITS APPLICATION TO THE CALCULATION OF PLATE BENDING
差分样条插值与差分样面插值及其应用于板弯曲的计算

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Abstract:

给出一种简单的有理分式插值——差分样条插值。其变量个数类似于三次样条,光滑性与逼近阶都比三次样条降低一次,即类似于二次样条。推广到二维情况能应用于任意区域,因此对板弯曲的计算能做到解算变量少,效率较高。

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