Re: Disable Scientific Notation when using num2str function

[James Sherman Jr.]

On Wed, Oct 24, 2012 at 7:25 AM, Juan Pablo Carbajal <address@hidden> wrote:

On Wed, Oct 24, 2012 at 1:11 PM, bobkarh <address@hidden> wrote:
> I am trying to convert a big number like :
>
> 12345678901234567890
>
> into a string by using:
>
> num2str(12345678901234567890)
>
> but the result is:
>
> ans = "1.2346e+019"
>
> That answer "ans" is a STRING with size :
> size [1 , 11]
> (one row, eleven columns)...and for example: value at column number two is
> "."
>
> SO I'VE LOST MY NUMBER!!!
> AND I DON'T WANT THIS!!!!!
>
> I want the original number to be a string
> ans= "12345678901234567890"
>
> I have tried to change format, using the function "format"
> but it doesn't work... I have also tried to change the built in variable:
> "fixed_point_format ()"
> but that doesn't work either....
>
> IS THERE A WAY TO CONVERT A LARGE NUMBER TO A LARGE STRING?????
>
>
>
>
>
> --
> View this message in context: http://octave.1599824.n4.nabble.com/Disable-Scientific-Notation-when-using-num2str-function-tp4645685.html
> Sent from the Octave - General mailing list archive at Nabble.com.
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no need to SCREAM!!!
a = 1234567890;
sprintf("%.0f",a)

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I believe the problem you are having is that your numbers are so large that they require more bits than are available on your machine.  Thus, it can't represent that number without using floating point/scientific notation.  I'm not sure what you can do besides keep the number always as a string.

 

James Sherman