Relational operator == doesn't work properly in some cases!

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Masood
Masood 2020-1-15
回答： Star Strider 2020-1-15
When I run this code:
1.1-1==0.1
I recieve this:
ans =
logical
0
I think it's not rational. Could somebody explain why I'm getting that result?

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采纳的回答

Star Strider
Star Strider 2020-1-15
You are seeing the effects of floating-point approximation error.
See for example: Why is 0.3 - 0.2 - 0.1 (or similar) not equal to zero? and Floating-Point Numbers.

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