vault backup: 2023-07-21 21:09:23
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.obsidian/workspace.json
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"juggl:Juggl global graph": false
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}
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},
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"lastOpenFiles": [
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"Mathe/Ilias/Zusatz_Material/Cosinus.java",
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"Mathe/Ilias/Zusatz_Material/Folge.java",
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"Mathe/Ilias/Zusatz_Material/Reihe.java",
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"Mathe/Ilias/Zusatz_Material/komplex_nullstwxm.sec",
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"Mathe/Ilias/klaumfi2_20210831.pdf",
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"Mathe/Ilias/klaumfi2_20220214.pdf",
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"Mathe/Ilias/Klausur_Formelblatt_mfi2.pdf",
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"Mathe/Ilias/klaumfi2_20220817.pdf",
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"Mathe/Ilias/klaumfi2_20230214.pdf",
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"Mathe/Ilias/KW15-KeineVeranstaltungen.pdf",
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"Mathe/Ilias/KW19-KeineVeranstaltungen.pdf",
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"Informationssicherheit/Ueb9/UEB_09.md",
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"Informationssicherheit/Ueb9/UEB 09.pdf",
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"Informationssicherheit/Ueb9/UEB_09.pdf",
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"Informationssicherheit/Ueb9/UEB 09.md",
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"English/KW26.md",
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"English/Matters Technik - IT Matters 3rd EditionB1B2 - Englisch Für IT-Berufe Schülerbuch (Isobel E. Williams) (Z-Library).pdf",
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"Informationssicherheit/Ueb9",
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"Informationssicherheit/Ueb6/white2.jpg",
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"Informationssicherheit/Ueb7/07-ueb_uebungsblatt.pdf",
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"Informationssicherheit/Ueb7/Ueb07.md",
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"Informationssicherheit/Ueb7",
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"Informationssicherheit/UEB8/UEB08.md",
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"Informationssicherheit/UEB8",
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"English/KW21.md",
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"Informationssicherheit/Ueb6/06-ueb_uebungsblatt.pdf",
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"Informationssicherheit/Ueb6/Ueb 6.md",
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"Informationssicherheit/Ueb6",
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"Informationssicherheit/Ueb5/05-ueb_uebungsblatt.pdf",
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"Informationssicherheit/Ueb5/Ueb5.md",
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"Informationssicherheit/Ueb4/Ueb4.md",
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"Mathe/KW20/KW20.md",
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Mathe/Ilias/KW13-Kompl1.pdf
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Mathe/Ilias/KW14-Kompl2.pdf
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Mathe/Ilias/KW18-Zusatz_Uebungen.pdf
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Mathe/Ilias/KW21-FolRei.pdf
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Mathe/Ilias/KW22-klaumfi2_20230214.pdf.pdf
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Mathe/Ilias/KW23-DifFk1.pdf
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Mathe/Ilias/Zusatz_Material/Cosinus.java
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Mathe/Ilias/Zusatz_Material/Cosinus.java
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// Cosinus.java
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// Programm zum Spielen, Ausprobieren und Verbessern
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// Ziel: "Gute" Berechnung der Cosinus-Funktion
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import java.io.*;
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public class Cosinus
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{
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public static double myfak(int k)
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{
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double x;
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if (k==0) {return 1.0;}
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else {return ((double) k)*myfak(k-1);}
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}
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public static double mycos(double x)
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{
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double sum=0.0;
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double term=0.0;
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for (int k=0;k<=10;k++)
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{
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term=Math.pow((-1),k)*Math.pow(x,2*k)/myfak(2*k);
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sum+=term;
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}
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return sum;
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}
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public static void main(String[] args) throws IOException
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{
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double x;
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BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
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System.out.print("Wie lautet die Stelle x? x = ");
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x = Double.parseDouble(in.readLine());
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System.out.println("Meine Rechnung liefert cos(x) = " + mycos(x));
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System.out.println("Java-Mathe-Bib liefert cos(x) = " + Math.cos(x));
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}
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}
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21
Mathe/Ilias/Zusatz_Material/Folge.java
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Mathe/Ilias/Zusatz_Material/Folge.java
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// Folge.java
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import java.io.*;
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public class Folge
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{
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public static void main(String[] args) throws IOException
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{
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double x=2.0,a=2.0;
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for (int k=0; k<=9; k++)
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{
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System.out.println("k = "+ k +" a_k = "+ a);
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a=0.5*(a+x/a); // Heron-Iteration
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// a=Math.sqrt(k*k+3.0*k)-k;
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// System.out.println(Double.MAX_VALUE);
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}
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}
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}
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19
Mathe/Ilias/Zusatz_Material/Reihe.java
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Mathe/Ilias/Zusatz_Material/Reihe.java
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// Reihe.java
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import java.io.*;
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public class Reihe
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{
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public static void main(String[] args) throws IOException
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{
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double s=0.0,a_k=0.0;
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for (int k=0; k<=30; k++)
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{
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s=s+Math.pow(2.0/3.0,k); // geometrische Reihe q=2/3
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System.out.println("n = "+ k +" S_n = "+ s);
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}
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}
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}
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Mathe/Ilias/Zusatz_Material/komplex_nullstwxm.sec
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Mathe/Ilias/Zusatz_Material/komplex_nullstwxm.sec
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/* [wxMaxima batch file version 1] [ DO NOT EDIT BY HAND! ]*/
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/* [ Created with wxMaxima version 18.02.0 ] */
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/* [wxMaxima: input start ] */
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/* Komplexe Nullstellenbeispiel */
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z:a+b*%i;
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/*plot3d(abs(z^3-3*z^2+4*z-2),[a,0.25,1.75],[b,-1.25,1.25], */
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/*plot3d(abs(z^3-7*z^2+17*z-15),[a,1.5,3.2],[b,-1.2,1.2],*/
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plot3d(abs(z^2+1),[a,-1.0,1.0],[b,-1.5,1.5],
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/*contour_plot(abs(z^3-3*z^2+4*z-2),[a,0.25,1.75],[b,-1.25,1.25], [gnuplot_preamble, "set cntrparam levels 39"],*/
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/*contour_plot(abs(z^3-7*z^2+17*z-15),[a,1.5,3.2],[b,-1.2,1.2], [gnuplot_preamble, "set cntrparam levels 39"],*/
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/*contour_plot(abs(z^2+1),[a,-1.0,1.0],[b,-1.5,1.5], [gnuplot_preamble, "set cntrparam levels 39"],*/
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/*[zlabel,""],[mesh_lines_color,false], [elevation,0], [azimuth,0], */
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[grid,100,100], [ztics,false], [color_bar_tics,0.01],
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[zlabel,"|p(z)|"],[mesh_lines_color,true],[ztics,1],
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[box,true],[xtics,0.25],[ytics,0.5],
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[legend,false],[palette,[gradient, "#0000f4", "#0000ff"]],[color,blue]);
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/* [wxMaxima: input end ] */
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/* Old versions of Maxima abort on loading files that end in a comment. */
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"Created with wxMaxima 18.02.0"$
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Mathe/Ilias/klaumfi2_20210831.pdf
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Mathe/Ilias/klaumfi2_20220817.pdf
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Mathe/Ilias/klaumfi2_20230214.pdf
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