work_laba#2, C# - rextester

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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 Xn = -12, Xk = 12, dX = (Xk-Xn)/30; 
            double x = -6;
            double z = 5; //double a = -6;
            //double y = 0;
            double a=-6, b=0, R = 3;
            //double b = 0; // a - сдвиг по абсцисе, b - сдвиг по ординате.
           /* double y1 = -Math.Sqrt(R*R - (x-a)*(x-a)) - b; //Math.Sqrt(R*R - (x-a)*(x-a) + b); // a = -6; b = 0; y<0;
            double y2 = x + 3; //ax+b; a = 1; b = 3;
            double y3 =  Math.Sqrt(R*R - (x-a)*(x-a)) + b; // a = 0; b = 0; y>0;
            double y4 = -x + 3; //ax+b; a = -1; b = 3;
            double y5 = 0.5*x - 1.5;//ax+b; a = 0.5; b = -1.5;
            double y6 = 0;
            */
            
            //execute
            for (int i=0; i<=30; i++)
            {
               x = x+0.1;
                
                Circle(a,b,R,x,ref z);
                Console.WriteLine("z= " + z);
                
            }
            
        }
        
            //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;
            }
            
            
        
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,12 sec, absolute running time: 0,09 sec, cpu time: 0,09 sec, average memory usage: 12 Mb, average nr of threads: 3