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# How to get nearest element from List expression NX8.5 and higher

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## How to get nearest element from List expression NX8.5 and higher

(OP)
Hi All,
I am trying to find the nearest number element from the given list of numbers. Imagine there are two expression1 and expression2 with data as mentioned below, the outcome I am expecting as expression3
Example:
expression1 = 140; (number type)
expression2 = {20, 25, 30, 40, 50, 80, 100, 125, 150, 200, 300, 500, 750, 1000} ; (list type)
expression3= 150 (number type)
It will be added value, if we can choose direction like floor, round and ceiling, so that I can pick 125, 150 looking forward for kind support.
Solution in NX8.5 to 11 is OK.

### RE: How to get nearest element from List expression NX8.5 and higher

There are brute force ways to do this, I'm not so sure about built in functions to do this directly. Below are some of the functions that can be used. Not very clean but it will find the closest plus/minus.

a=2
list={abs(1-a),abs(2-a),abs(3-a),abs(4-a)}
b=minimum(list)
c=position(b,list)
d=nth(c,{1,2,3,4})

NX 11.0.1.11 Windows 10

### RE: How to get nearest element from List expression NX8.5 and higher

In the Expression editor, there is a button "F(x)" that helps you enter math functions,the correct syntax, it contains a find function, type "floor" an press find, then step by step until you have the finished formula.
( maybe this wasn't what your last sentence asked for...)

Regards,
Tomas

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