Data commit

Task/Euler-method/Scala/euler-method.scala

@@ -0,0 +1,29 @@
+object App{
+
+  def main(args : Array[String]) = {
+
+    def cooling( step : Int ) = {
+      eulerStep( (step , y) => {-0.07 * (y - 20)} ,
+        100.0,0,100,step)
+    }
+    cooling(10)
+    cooling(5)
+    cooling(2)
+  }
+  def eulerStep( func : (Int,Double) => Double,y0 : Double,
+    begin : Int, end : Int , step : Int) = {
+
+    println("Step size: %s".format(step))
+
+    var current : Int = begin
+    var y : Double = y0
+    while( current <= end){
+      println( "%d %.5f".format(current,y))
+      current += step
+      y += step * func(current,y)
+    }
+
+    println("DONE")
+  }
+
+}