       Re: Inverse function

• To: mathgroup at smc.vnet.net
• Subject: [mg99349] Re: Inverse function
• From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
• Date: Sun, 3 May 2009 05:23:25 -0400 (EDT)
• References: <gth5gc\$evb\$1@smc.vnet.net>

```Hi,

and

Solve[y == 5/(2 - x), x] // FullSimplify

Inverse[] compute the inverse matrix of the input. It
would be useless to have the inverse matrix not computed

Regards
Jens

davef wrote:
> I have two questions:
>
> 1. Is it possible to find the inveses function for one-to-one function in Mathematica 7?
>
> For example the inverse of 5/(2-x) is 2-(5/x). I have tried Inverse and InverseFunction but I cannot produce the inverse function.
>
> Can anyone explain how to get Mathematica to produce this result? (See attached output screenshot.)
>
>
> 2. Is it possible to change the format of the output for a recprical?
>
> For example, instead of writing the output of Inverse[5/(2-x)] as (5/(2-x))^-1, can the output be set to produce (2-x)/5?
>

```

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