Re: Beginner--Need to test and check real input values

• To: mathgroup at smc.vnet.net
• Subject: [mg71583] Re: [mg71564] Beginner--Need to test and check real input values
• From: Bob Hanlon <hanlonr at cox.net>
• Date: Fri, 24 Nov 2006 01:17:03 -0500 (EST)

```c = 0;
While[! (Head[c] === Real && 0 < c < 0.9), c = Input[
"Give a positive real value to c less than 0.9"]] ;
Print["c= ", c] ;

Bob Hanlon

---- abdou.oumaima at hotmail.com wrote:
> Hello Math Group,
>
> I'm using While to control a flow of input values. I need to give a positive and real value to a variable, let's call it "c" . I write the code bellow but when I excute it, I can put a string value and can return it. How can I control that please.
>
> c = 0;
> While[! (RealQ[c] && 0 < c < 0.9), c = Input["Give a positive real value to c
>   less than 0.9"]]
> Print["c= ", c]
>
> Greetings.
> Lian.
>
> Link to the forum page for this post:
> http://www.mathematica-users.org/webMathematica/wiki/wiki.jsp?pageName=Special:Forum_ViewTopic&pid=15555#p15555
> Posted through http://www.mathematica-users.org [[postId=15555]]
>
>

```

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