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对于 y' = x + y , y(0) = 1 :分别用 h = 0.1 和 的欧拉方法计算 的误差。验证一阶性。
对于 y' = x + y , y(0) = 1 :分别用 h = 0.1 和 的欧拉方法计算 的误差。验证一阶性。
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