curves and discontinuity

Discussion in 'MATLAB' started by jack, Aug 3, 2006.

  1. jack

    jack Guest


    given a relation f(v)=f(xyz), what are the different ways of
    evaluating the discontinuities in the function f(v). Is there any
    specific function in Matlab to do this task?


    jack, Aug 3, 2006
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  2. No.

    Given a black box function f, its not a
    trivial task anyway. For example, at a very
    fine level, EVERY function is discontinuous
    when viewed as a floating point function.
    Derivative singularities are less easy yet
    to find.

    So determining if (and where) a general
    function has a discontinuity or a derivative
    singularity is difficult to do.

    Is there a use for such a toy anyway? Not
    much that I can see. However, feel free
    to write such a code and put it on the
    file exchange.

    John D'Errico, Aug 3, 2006
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