MinIteration: Integer;
The MinIteration property determines the minimum number of iterations within which a solution should be found.
The property is outdated.
The MinIteration property does not affect the calculations. This property is used to form error messages.
Sub Main;
Var
Eqs: ISmNonLinearEquations;
Funcs: Array [0..2] Of String;
inits: Array[0..2] Of Double;
res: Integer;
Sub Print(Data: Array Of Double);
Var
i: Integer;
CI: ICultureInfo;
Begin
CI := CultureInfo.Current;
Debug.WriteLine("---Begin---");
For i := 0 To Data.Length - 1 Do
If Double.IsNan(Data[i]) Then
Debug.WriteLine("---empty---");
Else
Debug.WriteLine(i.ToString + ", " + CI.FormatDoublePrec(Data[i], 4));
End If;
End For;
Debug.WriteLine("---End---");
End Sub Print;
Begin
Eqs := New SmNonLinearEquations.Create As ISmNonLinearEquations;
funcs[0] := "X1-22+0.5*X2-X3";
funcs[1] := "X2-26.5+2*X1+0.5*X3";
funcs[2] := "X3+9-X1+6*X2";
Eqs.Functions := Funcs;
Eqs.CoefficientsOrder := "X1;X2;X3";
inits[0] := 10; //x1
inits[1] := 0; //x2
inits[2] := -1; //x3
Eqs.InitApproximation := inits;
Eqs.MethodType := NonLinearEquationsType.HMethod;
Eqs.MinIteration:= 1000;
Eqs.MaxIteration := 1500;
res := Eqs.Execute;
If res <> 0 Then
Debug.WriteLine(Eqs.Errors);
Else
Print(Eqs.Solution);
End If;
End Sub Main;
After executing the example the console window displays a solution for a system of non-linear equations.
Module execution started
---Begin---
0, 14.0000
1, 2.0000
2, -7.0000
---End---
Module execution finished
See also: