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Mathematica - how to simplify an output formula

  1. Aug 29, 2013 #1
    Mathematica -- how to simplify an output formula

    Hi all,

    Is there any more options to simplify an out put Mathematica formula. I used //Simplify but the expression still
    complicated and //FullSimplify too slow and didn't work.

    Bests,
    Safinaz
     
  2. jcsd
  3. Aug 29, 2013 #2

    ChristinaJ

    User Avatar
    Gold Member

    Please provide your code.
     
  4. Aug 29, 2013 #3
    Hi,
    Here is that:


    1/s^2 266.428 GG^4 (-1. MSR^4 + s (1.69 - 1. t) -
    1. (-1.69 + t) (-1.69 + t) +
    MSR^2 (-3.38 + 2. t)) + (-8.5683 MSR^8 +
    s^3 (3.62011 - 2.14208 t) +
    MSR^6 (74.2122 + 8.5683 s + 24.6339 t) +
    s^2 (-71.8863 - 5.43016 t - 5.89071 t^2) -
    3.74863 (61.6102 - 3.38 t + t^2) (2.8561 - 3.38 t + t^2) -
    7.49726 s (-1.69 + t) (26.5209 - 2.43421*10^-16 t + t^2) +
    MSR^4 (-2.14208 s^2 + s (-66.0669 - 29.4535 t) -
    27.3115 (0.639919 + t) (4.46322 + t)) +
    MSR^2 (s^2 (7.24021 + 12.8525 t) +
    14.9945 (-1.69 + t) (19.1767 + 4.34571 t + t^2) +
    s (177.421 + 86.8826 t + 23.5628 t^2)))/((1.69 -
    1. t)^2 (1.69 + 2. MSR^2 - 1. s -
    1. t)^2 v45^4) + (GG^2 (-1383.72 + 71.6685 MSR^6 +
    MSR^4 (-242.24 - 35.8343 s - 143.337 t) +
    s^2 (-60.5599 - 35.8343 t) + 1637.54 t - 484.479 t^2 -
    35.8343 s (-1.69 + t) (11.83 + t) +
    MSR^2 (71.6685 (-1.69 + t) (11.83 + t) +
    s (242.24 + 143.337 t))))/(s (1.69 - 1. t) (-1.69 -
    2. MSR^2 + s + t) v45^2)

    Where GG, v45, MSR,t , s are free varibles I 'd like to leave them as unknowns.

    Safinaz
     
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