/// <summary>2次元エッジパディング</summary>
        public static VariableNode EdgePadding2D(VariableNode x, int pad)
        {
            Function function =
                new Functions.Connection2D.EdgePadding(pad);

            VariableNode y = Apply(function, x)[0];

            return(y);
        }
        /// <summary>2次元エッジパディング</summary>
        public static VariableNode EdgePadding2D(VariableNode x, int pad_left, int pad_right, int pad_top, int pad_bottom)
        {
            Function function =
                new Functions.Connection2D.EdgePadding(pad_left, pad_right, pad_top, pad_bottom);

            VariableNode y = Apply(function, x)[0];

            return(y);
        }
        /// <summary>2次元エッジパディング</summary>
        public static Tensor EdgePadding2D(Tensor x, int pad_left, int pad_right, int pad_top, int pad_bottom)
        {
            Function function =
                new Functions.Connection2D.EdgePadding(pad_left, pad_right, pad_top, pad_bottom);

            Tensor y = new Tensor(function.OutputShapes(x.Shape)[0]);

            function.Execute(new Tensor[] { x }, new Tensor[] { y });

            return(y);
        }