Taking the nearest decimals possible

2020 4 22
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更新时间：2020 4 23
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Hi,
I have a query
i have 2 number
1] 1.6778
2] 2.032
How do i take the number 1.6778 to 1.7 ( nearest value)
and 2.032 to 2.0 ?
Kindly help

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Adam Danz
Adam Danz 2020-4-22
编辑：Adam Danz 2020-4-22

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Y = round(X,N) where N is the number of digits to the right (when positive) or left (negative).
Alternativly,
y = round(X*10)/10;

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Ganesh Kini
Ganesh Kini 2020-4-22
编辑：Ganesh Kini 2020-4-22
So i have two values
A = 1.69 and B = 1.8
A = 2.1 and B = 2.4
How do i show it that they are approximately equal without using round
are there any relational operators that i can use?
Stephen23
Stephen23 2020-4-23
Either ismembertol or do it yourself by comparing the absolute difference against a tolerance limit:
abs(A-B)<tol

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