How can I cut some digits from a number?

3 次查看（过去 30 天）
sadel
sadel 2011-6-26
How can I cut some digits from a number like this 0.0000005566?
How can I keep only the first 4 decimal digits?
I use vpa but this return something else.
b=0.0000005566
vpa(b,4)
ans =
5.566*10^(-7)
examples:
0.0000345->0
0.001234->0.0012
12.4234234->12.4234
121313.334242->121313.3342

请先登录，再回答此问题。

采纳的回答

Oleg Komarov
Oleg Komarov 2011-6-26
n = 121313.334242;
fix(n*10000)/10000

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Signal Operations 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by