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Mathematica question
*To*: mathgroup at smc.vnet.net
*Subject*: [mg124784] Mathematica question
*From*: Howie <hcohl001 at gmail.com>
*Date*: Mon, 6 Feb 2012 02:39:11 -0500 (EST)
*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com
Let's say you've got an expression
expr = {Sin[x] + x^2 - x^2*Cos[x], x^3 (1 + x^2) - x^3, x^4 - x^3}
What does this mean?
Table[expr[[j]] // FullSimplify[#, $assumptions] & /@ # & // Expand //
@ # &, {j, 3}]
I am new to Mathematica as far as these more complicated expressions
are concerned.
Can you explain symbol by symbol?
I realize that the [[j]] is Part and that FullSimplify is applied //
Postfix to expr, but I don't understand what $assumptions means (I'm
assuming that these are some assumptions added to FullSimplify) but I
do not know where these assumptions come from. Are these assumptions
the rest of the stuff on the right-hand side?
In reality I have a potentially much more complicated form of the
expr.
Thanks!
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