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Re: Q: Simplify with "much less" assumptions
*To*: mathgroup at smc.vnet.net
*Subject*: [mg35623] Re: [mg35600] Q: Simplify with "much less" assumptions
*From*: jmt <jmt at dxdydz.net>
*Date*: Tue, 23 Jul 2002 01:51:31 -0400 (EDT)
*References*: <200207220610.CAA09226@smc.vnet.net>
*Reply-to*: jmt at dxdydz.net
*Sender*: owner-wri-mathgroup at wolfram.com
Use Series and Normal :
f[x] Series[1 + x^2, {x, 0, 1}]// Normal
gives
f[0]+x f'[0]
On Monday 22 July 2002 08:10, Xuguang(Heather) Zhang wrote:
> Hello, everybody,
>
> I have one question regarding simplify answer with assumptions. For
> example, I have "1+x^2". The assumptions is x is much much less than 1.
> Therefore x^2 can be neglected under the above assumption. What I get
> after simplification should be "1" only. Can anybody tell me how do this
> in Mathematica? It seems there is no "much less" or "much greater"
> symbol in Mathematica. Thank you all.
>
> Heather
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