Re: numerical values

[Francesco Potorti`]

>On Wednesday, March 19, 2008, at 11:30AM, "Alan Brummer" <address@hidden> 
>wrote:
>>How do I set a numerical amount to display:
>>
>> *   Three decimal places (i.e.  123.45678 to 123.467)
>> *   Four significant figures (i.e. 123.4567 to 123.5)
>
>There is more than one method to accomplish the 1st, ... one is
>
>disp (sprintf ('Three decimal places: %7.3f', 123.45678)

Why not simply
 printf ('Three decimal places: %7.3f\n', 123.45678);

>I don't know of a simple method for the second

printf ('Four significant figures: %.4g\n', 123.45678);

But this only works if the number is not too small or large.  See
"Floating-Point Conversions" in the manual.

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