INTUIT: Laba#2; Данные для графика изменяняющейся функции, C#

INTUIT: Laba#2; Данные для графика изменяняющейся функции

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
            
            //arguments
            Console.WriteLine("Laba#2; " + "график изменяняющейся функции");
            double n = 96; //количество итераций
            double Xn = -12, Xk = 12, dX = (Xk-Xn)/n; //диапазон активных данных 
            double x = Xn;
            double z = 5;
            double a=-6, b=0, R = 3; // a - сдвиг по абсцисе, b - сдвиг по ординате, R-радиус.

//execute
            for (int i=0; i<n; i++)
            {
                int ii=0;
                x = x+dX;
                Console.Write("dX=" + dX + "; ");
                if (Math.Abs(x)>9)          {ii=0;}
                else if (x>=-9 && x<-6)     {ii=1;}
                else if (x>=-6 && x<-3)     {ii=2;}
                else if (x>=-3 && x< 0 )    {ii=3;}
                else if (x>=0  && x< 3 )    {ii=4;}
                else if (x>=3  && x<=9)     {ii=5;}
                else                        {ii=6;}
                
                switch (ii)
                {
                    case 0:
                        z=0; 
                        Console.WriteLine("i={1,5}; x={2,20}; z={0,20}; ii={3,5}; Case_0" ,z,i,x,ii);
                        break;
                    case 1:
                        a=-6; b=0; R = 3; Circle(a,b,R, x,ref z);
                        Console.WriteLine("i={1,5}; x={2,20}; z={0,20}; ii={3,5}; F_Circle1" ,-z,i,x,ii);
                        break;
                    case 2:
                        a=1; b=3; R = 3; Line(a,b,x,ref z);//Circle(a,b,R, x,ref z);
                        Console.WriteLine("i={1,5}; x={2,20}; z={0,20}; ii={3,5}; F_line1" ,z,i,x,ii);
                        break;
                    case 3:
                        a = 0; b = 0; Circle(a,b,R, x,ref z);
                        Console.WriteLine("i={1,5}; x={2,20}; z={0,20}; ii={3,5}; F_Circle2" ,z,i,x,ii);
                        break;
                    case 4:
                        a = -1; b = 3; Line(a,b, x,ref z);
                        Console.WriteLine("i={1,5}; x={2,20}; z={0,20}; ii={3,5}; F_Line2" ,z,i,x,ii);
                        break;
                     case 5:
                        a = 0.5; b = -1.5; Line(a,b, x,ref z);
                        Console.WriteLine("i={1,5}; x={2,20}; z={0,20}; ii={3,5}; F_Line3" ,z,i,x,ii);
                        break;
                    default : Console.WriteLine("***"); break;
                }
            }
        }
        
            //FN
            public static double Circle(double a, double b, double R,  double x, ref double z)
            {
                z = Math.Sqrt(R*R - (x-a)*(x-a)) + b;
                return z;
            }
            public static double Line(double a, double b, double x, ref double z)
            {
                z = a*x + b;
                return z;
            }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,16 sec, absolute running time: 0,14 sec, cpu time: 0,08 sec, average memory usage: 17 Mb, average nr of threads: 4

Laba#2; график изменяняющейся функции dX=0,25; i= 0; x= -11,75; z= 0; ii= 0; Case_0 dX=0,25; i= 1; x= -11,5; z= 0; ii= 0; Case_0 dX=0,25; i= 2; x= -11,25; z= 0; ii= 0; Case_0 dX=0,25; i= 3; x= -11; z= 0; ii= 0; Case_0 dX=0,25; i= 4; x= -10,75; z= 0; ii= 0; Case_0 dX=0,25; i= 5; x= -10,5; z= 0; ii= 0; Case_0 dX=0,25; i= 6; x= -10,25; z= 0; ii= 0; Case_0 dX=0,25; i= 7; x= -10; z= 0; ii= 0; Case_0 dX=0,25; i= 8; x= -9,75; z= 0; ii= 0; Case_0 dX=0,25; i= 9; x= -9,5; z= 0; ii= 0; Case_0 dX=0,25; i= 10; x= -9,25; z= 0; ii= 0; Case_0 dX=0,25; i= 11; x= -9; z= 0; ii= 1; F_Circle1 dX=0,25; i= 12; x= -8,75; z= -1,19895788082818; ii= 1; F_Circle1 dX=0,25; i= 13; x= -8,5; z= -1,6583123951777; ii= 1; F_Circle1 dX=0,25; i= 14; x= -8,25; z= -1,98431348329844; ii= 1; F_Circle1 dX=0,25; i= 15; x= -8; z= -2,23606797749979; ii= 1; F_Circle1 dX=0,25; i= 16; x= -7,75; z= -2,43669858620224; ii= 1; F_Circle1 dX=0,25; i= 17; x= -7,5; z= -2,59807621135332; ii= 1; F_Circle1 dX=0,25; i= 18; x= -7,25; z= -2,72717802865893; ii= 1; F_Circle1 dX=0,25; i= 19; x= -7; z= -2,82842712474619; ii= 1; F_Circle1 dX=0,25; i= 20; x= -6,75; z= -2,90473750965556; ii= 1; F_Circle1 dX=0,25; i= 21; x= -6,5; z= -2,95803989154981; ii= 1; F_Circle1 dX=0,25; i= 22; x= -6,25; z= -2,98956518577535; ii= 1; F_Circle1 dX=0,25; i= 23; x= -6; z= -3; ii= 2; F_line1 dX=0,25; i= 24; x= -5,75; z= -2,75; ii= 2; F_line1 dX=0,25; i= 25; x= -5,5; z= -2,5; ii= 2; F_line1 dX=0,25; i= 26; x= -5,25; z= -2,25; ii= 2; F_line1 dX=0,25; i= 27; x= -5; z= -2; ii= 2; F_line1 dX=0,25; i= 28; x= -4,75; z= -1,75; ii= 2; F_line1 dX=0,25; i= 29; x= -4,5; z= -1,5; ii= 2; F_line1 dX=0,25; i= 30; x= -4,25; z= -1,25; ii= 2; F_line1 dX=0,25; i= 31; x= -4; z= -1; ii= 2; F_line1 dX=0,25; i= 32; x= -3,75; z= -0,75; ii= 2; F_line1 dX=0,25; i= 33; x= -3,5; z= -0,5; ii= 2; F_line1 dX=0,25; i= 34; x= -3,25; z= -0,25; ii= 2; F_line1 dX=0,25; i= 35; x= -3; z= 0; ii= 3; F_Circle2 dX=0,25; i= 36; x= -2,75; z= 1,19895788082818; ii= 3; F_Circle2 dX=0,25; i= 37; x= -2,5; z= 1,6583123951777; ii= 3; F_Circle2 dX=0,25; i= 38; x= -2,25; z= 1,98431348329844; ii= 3; F_Circle2 dX=0,25; i= 39; x= -2; z= 2,23606797749979; ii= 3; F_Circle2 dX=0,25; i= 40; x= -1,75; z= 2,43669858620224; ii= 3; F_Circle2 dX=0,25; i= 41; x= -1,5; z= 2,59807621135332; ii= 3; F_Circle2 dX=0,25; i= 42; x= -1,25; z= 2,72717802865893; ii= 3; F_Circle2 dX=0,25; i= 43; x= -1; z= 2,82842712474619; ii= 3; F_Circle2 dX=0,25; i= 44; x= -0,75; z= 2,90473750965556; ii= 3; F_Circle2 dX=0,25; i= 45; x= -0,5; z= 2,95803989154981; ii= 3; F_Circle2 dX=0,25; i= 46; x= -0,25; z= 2,98956518577535; ii= 3; F_Circle2 dX=0,25; i= 47; x= 0; z= 3; ii= 4; F_Line2 dX=0,25; i= 48; x= 0,25; z= 2,75; ii= 4; F_Line2 dX=0,25; i= 49; x= 0,5; z= 2,5; ii= 4; F_Line2 dX=0,25; i= 50; x= 0,75; z= 2,25; ii= 4; F_Line2 dX=0,25; i= 51; x= 1; z= 2; ii= 4; F_Line2 dX=0,25; i= 52; x= 1,25; z= 1,75; ii= 4; F_Line2 dX=0,25; i= 53; x= 1,5; z= 1,5; ii= 4; F_Line2 dX=0,25; i= 54; x= 1,75; z= 1,25; ii= 4; F_Line2 dX=0,25; i= 55; x= 2; z= 1; ii= 4; F_Line2 dX=0,25; i= 56; x= 2,25; z= 0,75; ii= 4; F_Line2 dX=0,25; i= 57; x= 2,5; z= 0,5; ii= 4; F_Line2 dX=0,25; i= 58; x= 2,75; z= 0,25; ii= 4; F_Line2 dX=0,25; i= 59; x= 3; z= 0; ii= 5; F_Line3 dX=0,25; i= 60; x= 3,25; z= 0,125; ii= 5; F_Line3 dX=0,25; i= 61; x= 3,5; z= 0,25; ii= 5; F_Line3 dX=0,25; i= 62; x= 3,75; z= 0,375; ii= 5; F_Line3 dX=0,25; i= 63; x= 4; z= 0,5; ii= 5; F_Line3 dX=0,25; i= 64; x= 4,25; z= 0,625; ii= 5; F_Line3 dX=0,25; i= 65; x= 4,5; z= 0,75; ii= 5; F_Line3 dX=0,25; i= 66; x= 4,75; z= 0,875; ii= 5; F_Line3 dX=0,25; i= 67; x= 5; z= 1; ii= 5; F_Line3 dX=0,25; i= 68; x= 5,25; z= 1,125; ii= 5; F_Line3 dX=0,25; i= 69; x= 5,5; z= 1,25; ii= 5; F_Line3 dX=0,25; i= 70; x= 5,75; z= 1,375; ii= 5; F_Line3 dX=0,25; i= 71; x= 6; z= 1,5; ii= 5; F_Line3 dX=0,25; i= 72; x= 6,25; z= 1,625; ii= 5; F_Line3 dX=0,25; i= 73; x= 6,5; z= 1,75; ii= 5; F_Line3 dX=0,25; i= 74; x= 6,75; z= 1,875; ii= 5; F_Line3 dX=0,25; i= 75; x= 7; z= 2; ii= 5; F_Line3 dX=0,25; i= 76; x= 7,25; z= 2,125; ii= 5; F_Line3 dX=0,25; i= 77; x= 7,5; z= 2,25; ii= 5; F_Line3 dX=0,25; i= 78; x= 7,75; z= 2,375; ii= 5; F_Line3 dX=0,25; i= 79; x= 8; z= 2,5; ii= 5; F_Line3 dX=0,25; i= 80; x= 8,25; z= 2,625; ii= 5; F_Line3 dX=0,25; i= 81; x= 8,5; z= 2,75; ii= 5; F_Line3 dX=0,25; i= 82; x= 8,75; z= 2,875; ii= 5; F_Line3 dX=0,25; i= 83; x= 9; z= 3; ii= 5; F_Line3 dX=0,25; i= 84; x= 9,25; z= 0; ii= 0; Case_0 dX=0,25; i= 85; x= 9,5; z= 0; ii= 0; Case_0 dX=0,25; i= 86; x= 9,75; z= 0; ii= 0; Case_0 dX=0,25; i= 87; x= 10; z= 0; ii= 0; Case_0 dX=0,25; i= 88; x= 10,25; z= 0; ii= 0; Case_0 dX=0,25; i= 89; x= 10,5; z= 0; ii= 0; Case_0 dX=0,25; i= 90; x= 10,75; z= 0; ii= 0; Case_0 dX=0,25; i= 91; x= 11; z= 0; ii= 0; Case_0 dX=0,25; i= 92; x= 11,25; z= 0; ii= 0; Case_0 dX=0,25; i= 93; x= 11,5; z= 0; ii= 0; Case_0 dX=0,25; i= 94; x= 11,75; z= 0; ii= 0; Case_0 dX=0,25; i= 95; x= 12; z= 0; ii= 0; Case_0