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Netlab Reference Manual minbrack
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<H1> minbrack
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Purpose
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Bracket a minimum of a function of one variable.

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Description
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<CODE>brmin, brmid, brmax, numevals] = minbrack(f, a, b, fa)</CODE>
finds a bracket of three points around a local minimum of
<CODE>f</CODE>.  The function <CODE>f</CODE> must have a one dimensional domain.
<CODE>a < b</CODE> is an initial guess at the minimum and maximum points
of a bracket, but