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本文用样条函数法实现了二维位场的向上延拓和向下延拓,向上延拓用样条函数法计算泊松积分,向下延拓用样条函数法求解第一类Fredholm积分方程。模型和实例计算表明,本文方法正确可行且精度高。
In this paper, the spline function method is used to realize the upward extension and downward extension of the two-dimensional position field. The spline function method is used to calculate the Poisson integral, and the spline function method is used to solve the first type of Fredholm integral equation. The model and example calculation show that this method is correct and feasible.