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FullSimplify

  • To: mathgroup at smc.vnet.net
  • Subject: [mg40662] FullSimplify
  • From: Blimbaum Jerry DLPC <BlimbaumJE at ncsc.navy.mil>
  • Date: Sat, 12 Apr 2003 03:12:21 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Something I just noticed about FullSimplify:


w +/- 2 Pi wC +/- 2 Pi wH//FullSimplify       outputs


w + 2 Pi (wC + wH)      and    w - 2 Pi (wC + w H)    respectively....


however...if the signs of the coefficients of wC and wH are opposite....i.e.


w  -/+  2 Pi wC +/- 2 Pi wH//FullSimplify    the output remains the
same....i.e.  you dont get...


w - 2 Pi (wC - wH)   and w + 2 Pi (wC-wH) ....as I would have
expected.....in writing this out for Mathgroup, I see that

Mathematica would have to change the signs inside the parentheses for wH,
for example....or decide to output the first result as...


w + 2 Pi (wH-wC) for example....


why this

difference in the two?   i.e. Mathematica duzz FullSimplify the first
form.....but not the second form......or have I answered my own question?


jerry blimbaum   Panama City, Florida


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