Rounding a decimal down
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With round(x,2) I can round a number to the nearest hundredth, but how do I round down to the nearest hundredth? For example, both 0.143 and 0.147 should become 0.14.
采纳的回答
x=0.147;
floor(x*100)/100
1 个评论
Emre Tas
2023-8-8
Thank you for your answer, it solved my meshing problem.
更多回答（2 个）
x = [0.143 0.147];
floor(x*100)/100
Example:
X = 0.143;
Y = sprintf('%.2f',X);
Y = str2double(Y)
2 个评论
It is more efficient to keep this in the numeric domain, rather than converting to text and back.
It also does not work, because SPRINTF rounds values to the nearest digit, it does not round down:
X = 0.147;
Y = sprintf('%.2f',X);
Y = str2double(Y) % Nope, definitely not rounded down.
The answers from Matt J and Les Beckham are correct.
Vilém Frynta
2022-12-3
True, I just reffered to someone else's answer.
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