FindRoot - numerically find a root in an interval
proc double1 double2 double3 FindRoot -> double
cout 15 setprecision % for display only
{dup mul 2 sub} -3.0 7.0 0.00000000001 FindRoot
Numerically searches for a root of a function
specified by proc in the interval [double1, double2].
The search stops when the absolute value of proc
is less or equal double3.
• should raise error when there is no sign reversal
• tracing should be optional
• specification of precision should be optional
FindRoot currenly supports only a single method for
root finding: the "bisection method" (see [2]). The
Mathematica implementation uses different methods (see [1]).
[1] The Mathematica Book "FindRoot"
[2] Numerical Recipes in C. 2nd ed. sec. 9.1
"Bracketing and Bisection"
Diesmann, Hehl
29.7.1999
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