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ALI IQBAL

what is meant by 3e4 in matlab?

Asked by ALI IQBAL
on 19 Sep 2013

I am reading a program

M = 16; k = log2(M); n = 3e4; nsamp = 1;

kindly tell me the meaning of "3e4"

as soon as possible....

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3 Answers

Answer by David Sanchez
on 19 Sep 2013
 Accepted answer
3e4 = 3*10^4 = 30000

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Answer by Simon
on 19 Sep 2013

Hi!

Did you try to input "3e4" in the command window? What happens?

Also try

3e1
3e2
3e3

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Answer by Jan Simon
on 19 Sep 2013

david's and Simon's answers are sufficient already.

While the definition is obviously clear and a common standard in nearly all programming languages, do you find it in Matlab's documentation?

What about 1E2, 1E-2 .1E-02, 1.e+2, 1.1e0, 2e2345678, 2d3, 3D4? The technical support stated, that only the formats supported by format are supported with a guarantee. But sscanf and the parser of M-code works for much more styles. It would be useful to document this fundamental detail.

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