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In Octave, you can call quad_options to get:

quad_options()

Options for Quad include:

keyword                                             value
-------                                             -----
absolute tolerance                                  1.49012e-08
relative tolerance                                  1.49012e-08
single precision absolute tolerance                 0.000345267
single precision relative tolerance                 0.000345267

Can someone explain the difference between these four kinds of error tolerances?

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有关绝对公差和相对公差之间的区别，请参阅此问题的答案。最后两个是相同的，但是当您使用单精度数据而不是double时。

于 2012-11-03T01:01:50.537 回答