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当我对许多浮点数求和时,如何计算传播误差。例如,如果我求和 n 个浮点数,如何计算误差?
一般来说,没有办法准确地确定误差(除了使用任意精度算术)。但是有一些技术可以显着减少错误,例如Kahan summation。