How can I cut four numbers after the decimal number without rounding using MATLAB ?

S
Salem · Dec 7, 2023 · 2.4K views
Question
I have a number like this:   2.32166873546944   I want to take only four numbers after the decimal point and without rounding, that is, I only want:   2.3216   How do I do this in Matlab ?
Expert Answer
Profile picture of Prashant Kumar
Prashant Kumar PhD Expert
Answered Aug 23, 2026
You want to truncate after the 4th decimal place? Easy peasy.
 
You shift where the decimal place lies, then use floor.
 
format long g
x = 2.32166873546944
x = 
          2.32166873546944
y = floor(x*10000)/10000
y = 
                    2.3216

 

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