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Math Help - Are these ODE's stiff?

  1. #1
    Junior Member
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    Are these ODE's stiff?

    dx/dt = -5x x(0) = 5
    dy/dt = (4x)/3 - 2y y(0) = 0


    Are these ODE's stiff? What exactly does stiffness mean? Thanks,

    Kim
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by Kim Nu View Post
    dx/dt = -5x x(0) = 5
    dy/dt = (4x)/3 - 2y y(0) = 0


    Are these ODE's stiff? What exactly does stiffness mean? Thanks,

    Kim
    There is no fixed (universally accepted) definition of stiffness, but see the Wikipedia article anyway.

    CB
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