hejhejhej

hejhejhejhej

public class Polynomial
{
   double[] cs;
   int typeLigning;
   
   public Polynomial(double[] cs) {
       this.cs = cs;
       typeLigning = cs.length - 1;
       
    }
   public void show() {
              System.out.println("Du har valgt en " + typeLigning + " grads ligning");
   }
   public void sjovmetode() {
       int a = cs.length-1;
       for ( int i = 0; i < cs.length; i++ ) {
             if (i == 0) {
           System.out.print(cs[i] + "+");
             }  
           else if ( i == a ) {
           System.out.print(cs[i] + "x^" + i);
                 }
           else 
           { 
               System.out.print(cs[i] + "x^" + i + "+");
              }
            }
   }
   public double compute(double x) {
       double sum = 0;
       for ( int i = 0; i < cs.length; i++) {
        sum += cs[i]* Math.pow(x,i);
       }
       return sum;
    }   
   public Polynomial differentiate() {
       double[] aloha = new double[] {,};
       aloha = cs;
       for ( int r = 1; r < cs.length-1; r++)
       {
           aloha[r-1] = cs[r]*r;
       }
       Polynomial jeremy = new Polynomial(aloha);
       return jeremy;
    }
}