SoundLibrary.Mathematics.Function.VariableTable.Clone C# (CSharp) Method

		public VariableTable Clone()
		{
			return new VariableTable((Hashtable)this.table.Clone());
		}

        /// <summary>
        /// 指定した範囲内/刻み幅で、関数 f の値が最小になるような引数を探す。
        /// (総当り)
        /// </summary>
        /// <param name="f">関数 f</param>
        /// <param name="rangeList">探索範囲/刻み幅</param>
        /// <returns>argmin f</returns>
        public static VariableTable Argmin(Function f, params Range[] rangeList)
        {
            VariableTable vars = new VariableTable();

            foreach (Range range in rangeList)
            {
                vars[range.variable] = range.min;
            }

            ValueType     min    = ValueType.MaxValue;
            VariableTable argmin = null;

            for (;;)
            {
                ValueType val = f[vars];
                if (val < min)
                {
                    min    = val;
                    argmin = vars.Clone();
                }

                int i = 0;
                for (; i < rangeList.Length; ++i)
                {
                    ValueType x = vars[rangeList[i].variable];
                    x += rangeList[i].step;

                    if (x > rangeList[i].max)
                    {
                        vars[rangeList[i].variable] = rangeList[i].min;
                    }
                    else
                    {
                        vars[rangeList[i].variable] = x;
                        break;
                    }
                }
                if (i >= rangeList.Length)
                {
                    break;
                }
            }

            return(argmin);
        }