Examples of Funktion

eas.startSetup.arrowGUI.funktionen2D.Funktion
Implementierte Funktionen: Fkt. Bem. Bsp. nul keine syntakt. Ausprägung, nur Ziffern und ',' und '-' -4.0 var erlaubt sind x,y überall und alle Großbuchstaben nur +(x,y) in großen Summen / Produkten sin Sinus sin(x) cos Cosinus cos(x) tan Tangens tan(x) log Logarithmus zur Basis 10 log(x) neg Negation neg(x) mod Modulo mod(x,3) rand Random, liefert Zufallszahl zwischen Par1 und Par2 rand(x,y) + Addition +(x,y) - Subtraktion -(x,y) * Multiplikation *(x,y) / Division /(x,y) ^ Potenzrechnung ^(x,y) # große Summe: erhält vier Parameter: #(I,1,(x+1),(I*x)) 1. Name der Laufvariable (LV) 2. Anfangswert der LV (kann Funktion sein) 3. Endwert der LV (kann Funktion sein) 4. Zu berechnende Funktion von (x,y,LV) ° großes Produkt: wie große Summe °(I,1,+(x,1),*(I,x)) [] Intervall-Funktion: erhält vier Parameter [](n(4),sin(y),n(4),4) 1. x1 2. x2 3. y1 4. y2 Alle Parameter dürfen Funktionen sein. Die Funktion liefert 1, wenn x und y im angegebenen Intervall sind und 0 sonst. @author Lukas König
fmg.fmg8.pfeilGUI.funktionen2D.Funktion
@author Lukas K�nig

Examples of eas.startSetup.arrowGUI.funktionen2D.Funktion

        this.reset();
        this.applyDeclarations(code);


        String codeWithoutDeclarations = this.getCodeWithoutDeclarations(code);
        this.calcCode = codeWithoutDeclarations.substring(5);
        Funktion f = new Funktion();
        f = f.convertStoFunk(this.calcCode);
        this.calcCode = f.wohlgeklammertLaTeX(this.calcCode, 0);
        this.calcCode = this.calcCode.replaceAll("\\(", "{\\\\left(");
        this.calcCode = this.calcCode.replaceAll("\\)", "\\\\right)}");
        this.calcCode = this.calcCode.replace("*", "\\cdot ") + "=";
        
        if (this.alwaysShowCompleteTable || this.calcCode.contains("x") || this.calcCode.contains("y")) {
            if (!alwaysShowCompleteTable) {
                if (!this.calcCode.contains("x")) {
                    this.xMax = this.xMin;
                }
                if (!this.calcCode.contains("y")) {
                    this.yMax = this.yMin;
                }
            }
            
            String cols = "|c||";
            for (double y = yMin; y <= yMax; y += (yMax - yMin + 1) / yNum) {
                cols += "c|";
            }
            
            this.calcCode += "\n\\\\\\mbox{\\begin{tabular}{" + cols + "}\n";
            this.calcCode += "\\hline\n";
            this.calcCode += "$x\\backslash y$ ";
            for (double y = yMin; y <= yMax; y += (yMax - yMin + 1) / yNum) {
                this.calcCode += " & $" + StaticMethods.round(y, this.roundDigits) + "$";
            }
            this.calcCode += "\\\\\\hline\\hline\n";


            for (double x = xMin; x <= xMax; x += (xMax - xMin + 1) / xNum) {
                this.calcCode += "$" + StaticMethods.round(x, this.roundDigits) + "$";
                for (double y = yMin; y <= yMax; y += (yMax - yMin + 1) / yNum) {
                    this.calcCode += " & $" + StaticMethods.round(f.eval(x, y), this.roundDigits) + "$";
                }
                this.calcCode += "\\\\\\hline\n";
            }
            
            this.calcCode += "\\end{tabular}}";
        } else {
            this.eval = f.eval(0, 0) + "";
            this.calcCode += this.eval;
        }
    }

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Examples of eas.startSetup.arrowGUI.funktionen2D.Funktion

     * 
     * @param fs
     *            Die Funktion.
     */
    private void setzeDickenFunk(final String fs) {
        Funktion f = (new Funktion()).convertStoFunk(fs);
        final int ypsilon;
        ArrayList<Double> neuDick = new ArrayList<Double>(
                this.aktGrph.getPfeilPol().nPoints());


        Integer anfang = this.aktGrph.getMark1();
        Integer ende = this.aktGrph.getMark2();
        
        if (anfang == null) {
            anfang = 0;
        }
        if (ende == null) {
            ende = this.aktGrph.getPfeilPol().nPoints() - 1;
        }
        
        int zwisch;
        if (anfang > ende) {
            zwisch = ende;
            ende = anfang;
            anfang = zwisch;
        }
        
        ypsilon = ende - anfang + 1;
        
        for (int ix = 0; ix < anfang; ix++) {
            neuDick.add(this.aktGrph.getDicken().get(ix));
        }
        
        for (int ix = anfang; ix <= ende; ix++) {
            neuDick.add(f.eval(ix - anfang, ypsilon));
        }


        for (int ix = ende + 1; ix < this.aktGrph.getPfeilPol().nPoints(); ix++) {
            neuDick.add(this.aktGrph.getDicken().get(ix));
        }

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Examples of fmg.fmg8.pfeilGUI.funktionen2D.Funktion

     * 
     * @param fs
     *            Die Funktion.
     */
    private void setzeDickenFunk(final String fs) {
        Funktion f = (new Funktion()).convertStoFunk(fs);
        final int ypsilon;
        ArrayList<Double> neuDick = new ArrayList<Double>(
                this.aktGrph.getPfeilPol().size());


        Integer anfang = this.aktGrph.getMark1();
        Integer ende = this.aktGrph.getMark2();
        
        if (anfang == null) {
            anfang = 0;
        }
        if (ende == null) {
            ende = this.aktGrph.getPfeilPol().size() - 1;
        }
        
        int zwisch;
        if (anfang > ende) {
            zwisch = ende;
            ende = anfang;
            anfang = zwisch;
        }
        
        ypsilon = ende - anfang + 1;
        
        for (int ix = 0; ix < anfang; ix++) {
            neuDick.add(this.aktGrph.getDicken().get(ix));
        }
        
        for (int ix = anfang; ix <= ende; ix++) {
            neuDick.add(f.eval(ix - anfang, ypsilon));
        }


        for (int ix = ende + 1; ix < this.aktGrph.getPfeilPol().size(); ix++) {
            neuDick.add(this.aktGrph.getDicken().get(ix));
        }

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