RegModels.PowerEval Function

Evaluates power function.

Pascal

function PowerEval(Const B: Array of double; X: double): double; overload;

b[0]*X^b[1] for given value X and parameters in B array.

Evaluate power function for single x.

Uses RegModels, Math387;
procedure Example;
var y: double;
begin
  y := PowerEval([-5,3.5], 2.0);
  // y = -5.0*(2.0)^(3.5) = -56.568542495
end;

#include "Math387.hpp"
#include "RegModels.hpp"
void __fastcall Example();
{
  double y = PowerEval(OPENARRAY(double,(-5,3.5)),2.0);
}

What do you think about this topic? Send feedback!