Is inexact subtraction expected?

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Guy
Guy 2020-6-18
回答： Image Analyst 2020-6-18
In Matlab R2018a, I just typed "32885.6-32760" and got back 125.599999999999. Is this type of inexact subtraction expected? If I then type "ans - 125" I get 0.599999999998545, so it's not just a bunch of 9's. Removing the leading 3 or the leading 32 does not give this incorrect answer (i.e. it gives the exact decimal value .6)

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Image Analyst
Image Analyst 2020-6-18

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