public string MakeFunctionFormulaToPrint() { string OutputString = "Beregninger på funktionen med forskriften : f(x) = "; OutputString += PrintOutTools.WriteNumberWithParanthesis(this.ACoefficient) + "x^2 + "; OutputString += PrintOutTools.WriteNumberWithParanthesis(this.BCoefficient) + "x + "; OutputString += PrintOutTools.WriteNumberWithParanthesis(this.CCoefficient); return(OutputString); }
public Point2Dimensions CalculatePointYAxisCross() { this.PointYAxisCross.XCoordinate = 0; this.PointYAxisCross.YCoordinate = this.CCoefficient; if (IsTextBlockSet()) { this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += "Parablen skærer y aksen i punktet : (x ; y) = ( 0; " + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(this.PointYAxisCross.YCoordinate, Const.DefaultNumberOfDecimals) + ")"; } return(this.PointYAxisCross); }
public double CalculateDiskriminant() { this.Diskriminant = Math.Pow(this.BCoefficient, 2) - 4 * this.ACoefficient * this.CCoefficient; if (IsTextBlockSet() && ShowDiskriminantCalculations) { this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += "Diskriminant = "; this.TextBlock_Object.Text += PrintOutTools.WriteNumberWithParanthesis(this.BCoefficient) + "^2"; this.TextBlock_Object.Text += " - 4 * " + PrintOutTools.WriteNumberWithParanthesis(this.ACoefficient); this.TextBlock_Object.Text += " * " + PrintOutTools.WriteNumberWithParanthesis(this.CCoefficient); this.TextBlock_Object.Text += " = " + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(this.Diskriminant, Const.DefaultNumberOfDecimals); } return(this.Diskriminant); }
public FunctionValueCalculation(SecondOrderFunction SecondOrderFunction_Objext, double XValue) { this.XValue = XValue; this.YValue = SecondOrderFunction_Objext.ACoefficient * Math.Pow(this.XValue, 2) + SecondOrderFunction_Objext.BCoefficient * this.XValue + SecondOrderFunction_Objext.CCoefficient; this.CalculationIndex = OverallCalculationIndex++; this.CalculationText = "y = f("; this.CalculationText += PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(this.XValue, Const.DefaultNumberOfDecimals) + ") = "; this.CalculationText += PrintOutTools.WriteNumberWithParanthesis(SecondOrderFunction_Objext.ACoefficient) + " * "; this.CalculationText += PrintOutTools.WriteNumberWithParanthesis(this.XValue) + "^2 + "; this.CalculationText += PrintOutTools.WriteNumberWithParanthesis(SecondOrderFunction_Objext.BCoefficient) + " * "; this.CalculationText += PrintOutTools.WriteNumberWithParanthesis(this.XValue) + " + "; this.CalculationText += PrintOutTools.WriteNumberWithParanthesis(SecondOrderFunction_Objext.CCoefficient); this.CalculationText += " = "; this.CalculationText += PrintOutTools.WriteNumberWithParanthesis(YValue); }
public Point2Dimensions CalculateExtremumPoint() { this.Diskriminant = this.CalculateDiskriminant(); this.PointExtremum.XCoordinate = -this.BCoefficient / (2 * this.ACoefficient); this.PointExtremum.YCoordinate = -this.Diskriminant / (4 * this.ACoefficient); if (IsTextBlockSet()) { this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += "T(x) = (-" + PrintOutTools.WriteNumberWithParanthesis(this.BCoefficient); this.TextBlock_Object.Text += " / (2 * " + PrintOutTools.WriteNumberWithParanthesis(this.ACoefficient) + " ) "; this.TextBlock_Object.Text += " = " + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(this.PointExtremum.XCoordinate, Const.DefaultNumberOfDecimals); this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += "T(y) = (-" + PrintOutTools.WriteNumberWithParanthesis(this.Diskriminant) + " ) "; this.TextBlock_Object.Text += " / (4 * " + PrintOutTools.WriteNumberWithParanthesis(this.ACoefficient) + " ) "; this.TextBlock_Object.Text += " = " + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(this.PointExtremum.YCoordinate, Const.DefaultNumberOfDecimals); this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += "Parablen har Toppunkt : (x ; y) = (" + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(this.PointExtremum.XCoordinate, Const.DefaultNumberOfDecimals) + " ; " + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(this.PointExtremum.YCoordinate, Const.DefaultNumberOfDecimals) + ")"; } return(this.PointExtremum); }
public SecondOrderFunctionRoots CalculateRoots() { this.Diskriminant = this.CalculateDiskriminant(); if (this.Diskriminant < 0) { if (IsTextBlockSet()) { this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += "Parablen har ingen rødder => den skærer ikke x-aksen i nogle punkter."; } this.SecondOrderFunctionRoots_Object.NumberOFRoots = 0; return(this.SecondOrderFunctionRoots_Object); } else { if (0 == this.Diskriminant) { SecondOrderFunctionRoots_Object.Roots[0].XCoordinate = -BCoefficient / (2 * ACoefficient); SecondOrderFunctionRoots_Object.Roots[0].YCoordinate = 0; if (IsTextBlockSet()) { this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += "x1 , x2 = -" + PrintOutTools.WriteNumberWithParanthesis(this.BCoefficient); this.TextBlock_Object.Text += " / (2 * " + PrintOutTools.WriteNumberWithParanthesis(this.ACoefficient); this.TextBlock_Object.Text += " ) = " + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(SecondOrderFunctionRoots_Object.Roots[0].XCoordinate, Const.DefaultNumberOfDecimals); this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += "Parablen har dobbelt roden : (x ; y) = (" + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(SecondOrderFunctionRoots_Object.Roots[0].XCoordinate, Const.DefaultNumberOfDecimals) + " ; 0)"; } this.SecondOrderFunctionRoots_Object.NumberOFRoots = 1; } else { SecondOrderFunctionRoots_Object.Roots[0].XCoordinate = (-BCoefficient - Math.Sqrt(Diskriminant)) / (2 * ACoefficient); SecondOrderFunctionRoots_Object.Roots[0].YCoordinate = 0; SecondOrderFunctionRoots_Object.Roots[1].XCoordinate = (-BCoefficient + Math.Sqrt(Diskriminant)) / (2 * ACoefficient); SecondOrderFunctionRoots_Object.Roots[1].YCoordinate = 0; if (IsTextBlockSet()) { this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += "x1 = ( -" + PrintOutTools.WriteNumberWithParanthesis(this.BCoefficient); this.TextBlock_Object.Text += " - sqrt(" + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(this.Diskriminant, Const.DefaultNumberOfDecimals) + ") ) "; this.TextBlock_Object.Text += " / (2 * " + PrintOutTools.WriteNumberWithParanthesis(this.ACoefficient); this.TextBlock_Object.Text += " ) = " + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(SecondOrderFunctionRoots_Object.Roots[0].XCoordinate, Const.DefaultNumberOfDecimals); this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += "x2 = (-" + PrintOutTools.WriteNumberWithParanthesis(this.BCoefficient); this.TextBlock_Object.Text += " + sqrt(" + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(this.Diskriminant, Const.DefaultNumberOfDecimals) + ") ) "; this.TextBlock_Object.Text += " / (2 * " + PrintOutTools.WriteNumberWithParanthesis(this.ACoefficient); this.TextBlock_Object.Text += " ) = " + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(SecondOrderFunctionRoots_Object.Roots[1].XCoordinate, Const.DefaultNumberOfDecimals); this.TextBlock_Object.Text += Environment.NewLine; this.TextBlock_Object.Text += "Parablen har rødderne : (x ; y) = (" + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(SecondOrderFunctionRoots_Object.Roots[0].XCoordinate, Const.DefaultNumberOfDecimals) + " ; 0) og (" + PrintOutTools.WritDecimalStringWithSpecifiedNumberOfDecimals(SecondOrderFunctionRoots_Object.Roots[1].XCoordinate, Const.DefaultNumberOfDecimals) + " ; 0)"; } } } return(this.SecondOrderFunctionRoots_Object); }