object uklady extends App{
  def gauss(n:Int,ab:Array[Array[Double]]):Array[Double] = {
    var m:Double = 0
    var s:Double = 0
    val wynik:Array[Double]=new Array[Double](n)
    for(i<-0 until n-1){
      for(j<-i+1 until n){
        m= -ab(j)(i)/ab(i)(i)
        for(k<-i to n){
          ab(j)(k)+=m*ab(i)(k)
        }
      }
    }
wynik(n-1)=ab(n-1)(n)/ab(n-1)(n-1)
    for(i<-n-1 to 0 by -1){
      s=ab(i)(n)
      for(j<-n-1 to i+1 by -1){
          s -= ab(i)(j) * wynik(j)
        wynik(i)=s/ab(i)(i)
      }
    }
    wynik
  }

var ab = Array.ofDim[Double](3,4)
  ab = Array(Array(2.63,0.15,0.15,0.39), Array(0.115,0.1,0.71,0.42), Array(0.73,0.74,0.1,0.32))

  gauss(3,ab).foreach(x => println(x))

}

------------wynik--------
0.10284839476952914
0.2582002978866951
0.5385245138208938