Создание массива из массива

double[] QArr5 = { 1.6, 4.0, 10.0, 25.0, 40.0, 63.0, 100.0, 160.0, 250.0, 400.0, 630.0 };
        double[] aa9Arr5 = { 60, 95, 115, 155, 185, 230, 310, 390, 480, 520, 680 };
        double[] hhArr5 = { 4, 5, 6, 8, 10, 12, 16, 20, 24, 30, 40};
        double[] ШиринаArr5 = { 10, 15, 20, 25, 30, 35, 40, 60, 75, 85, 110 };
        double[] hh1Arr5 = { 15, 25, 30, 40, 60, 70, 95, 115, 135, 150, 170 };
        double[] hh2Arr5 = { 85, 140, 170, 230, 295, 360, 475, 585, 695, 810, 1100};                                                                
        double[] sss1Arr5 = { 65, 95, 115, 155, 190, 230, 310, 380, 455, 540, 690 };
        double[] a11Arr5 = { 45, 75, 90, 125, 150, 185, 250, 300, 360, 430, 540 };
        double[] ddArr5 = { 12, 12, 24, 24, 35, 35, 42, 42, 42, 50, 50 };
        double[] dбArr5 = { 12, 12, 16, 20, 24, 30, 36, 36, 36, 36, 36 };
        double[] H_ЛистаArr5 = { 120, 200, 250, 330, 405, 490, 650, 810, 970, 1140, 1480 };
        double[] hh3Arr5 = { 8, 10, 14, 16, 20, 24, 30, 36, 40, 45, 55 };
        double[] cc1Arr5 = { 15, 20, 20, 45, 45, 60, 65, 65, 65, 70, 80 };
        double[] cc2Arr5 = { 40, 50, 85, 90, 90, 130, 160, 200, 240, 280, 400 };
        double[] ffArr5 = { 10, 25, 30, 40, 50, 60, 80, 100, 120, 145, 180 };
        double[] DArr5 = { 250, 350, 400, 500, 500, 600, 700, 700, 900, 900 };
        double[] a13Arr5 = { 4.0, 6.0, 6.0, 8.0, 8.0, 10.0, 10.0, 12.0, 16.0, 20.0, 24.0 };
        private void comboBox15_SelectedIndexChanged(object sender, EventArgs e)
        {
            comboBox2.SelectedIndex = comboBox15.SelectedIndex;
            int i = comboBox15.SelectedIndex;
            D = System.Convert.ToDouble(textBox1.Text); sss7 = D;
            sss8 = System.Convert.ToDouble(textBox56.Text);
            // для толщины накладного листа
            comboBox2.Text = a13Arr5[i].ToString() + " ";
            //для изменения размеров в коде по опорам
            textBox55.Text = aa9Arr5[i].ToString() + " "; textBox33.Text = hhArr5[i].ToString() + " ";
            textBox44.Text = ШиринаArr5[i].ToString() + " "; textBox35.Text = hh1Arr5[i].ToString() + " ";
            textBox41.Text = hh2Arr5[i].ToString() + " "; textBox32.Text = sss1Arr5[i].ToString() + " ";
            textBox34.Text = a11Arr5[i].ToString() + " "; textBox30.Text = ddArr5[i].ToString() + " ";
            textBox79.Text = hh3Arr5[i].ToString() + " "; textBox80.Text = cc1Arr5[i].ToString() + " ";
            textBox82.Text = ffArr5[i].ToString() + " "; textBox89.Text = dбArr5[i].ToString() + " ";
            textBox88.Text = cc2Arr5[i].ToString() + " "; textBox168.Text = H_ЛистаArr5[i].ToString() + " ";
            // перевод значении в мм
            aa9 = aa9Arr5[i] / 10; hh = hhArr5[i] / 10; Ширина = ШиринаArr5[i] / 10; hh1 = hh1Arr5[i] / 10; hh2 = hh2Arr5[i] / 10;
            sss1 = sss1Arr5[i] / 10; a11 = a11Arr5[i] / 10; dб = dбArr5[i] / 10; dd = ddArr5[i] / 10; H_Листа = H_ЛистаArr5[i] / 10; sss7 = sss7 / 10;
            hh3 = hh3Arr5[i] / 10; cc1 = cc1Arr5[i] / 10; cc2 = cc2Arr5[i] / 10; ff = ffArr5[i] / 10; D = D / 10; sss8 = sss8 / 10;
        }