Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Topic: How to set Mathematica not return huge float numbers
Replies: 3   Last Post: May 3, 2013 3:50 AM

 Messages: [ Previous | Next ]
 emammendes@gmail.com Posts: 143 Registered: 8/22/05
Re: How to set Mathematica not return huge float numbers
Posted: May 3, 2013 3:49 AM

Many many thanks.

The funny part that I have used Simplify (and it did not work) before sending the question to the list.

Today when I tried it again, it worked. I guess a fresh start did the job.

Ed

On May 2, 2013, at 1:18 AM, Bob Hanlon <hanlonr357@gmail.com> wrote:

> Use Simplify
>
> expr = ((3.80335*10^9 (10. + s))/(3.80335*10^9 (10. + s) +
> s (7. + s) (2.0401*10^8 + 7.98761*10^6 s)));
>
> expr // Simplify
>
> or
>
> expr // Simplify // Rationalize
>
> or
>
> expr // Simplify // Rationalize[#, 0] & // N
>
>
> Bob Hanlon
>
>
>
> On Wed, May 1, 2013 at 9:41 PM, Eduardo M. A. M. Mendes <emammendes@gmail.com> wrote:
> Hello
>
> When using the function SystemModelFeedbackConnect Mathematica returns the following output
>
> Subsuperscript[((3.80335*10^9 (10. +s))/(3.80335*10^9 (10. +s)+s (7. +s) (2.0401*10^8+7.98761*10^6 s))
>
> ), , \[ScriptCapitalT]]
>
> Note the huge float numbers. There is no apparent reason for such huge numbers. What could be wrong?
>
> Many thanks
>
> Ed
>
>

Date Subject Author
5/3/13 emammendes@gmail.com
5/3/13 Bob Hanlon