Calculation error for floor function floor(1.4/0.025)

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Shahar
Shahar 2013 年 5 月 20 日
if x = floor(1.4/0.025) is 55 in Matlab, how does y = 1.4/0.025 is 56?

採用された回答

Iain
Iain 2013 年 5 月 20 日
1.4/0.025 actually evaluates to 55.9999999999999928946.
The error is in the FIFTEENTH decimal place, which is an extremely small error, however, it is less than 56, and will "floor" to 55.

その他の回答 (1 件)

Zhang lu
Zhang lu 2013 年 5 月 20 日
Hi
floor(1.4e3/0.025e3)

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