private void Button4_Click(object sender, EventArgs e) { TestGraph dothi = new TestGraph(); Label[] diem = new Label[700]; if (Math.Round(a, 3) == 1) { soa = ""; } else { soa = Math.Round(a, 3).ToString(); } if (b > 0) { if (Math.Round(b, 3) == 1) { sob = "+ "; } else { sob = "+ " + Math.Round(b, 3).ToString(); } } if (b < 0) { if (Math.Round(b, 3) == -1) { sob = "- "; } else { sob = "- " + Math.Round(-b, 3) + ""; } } if (Math.Round(m, 3) == 1) { som = ""; } else { som = Math.Round(m, 3).ToString(); } if (n > 0) { son = "+ " + Math.Round(n, 3); } if (n < 0) { son = "- " + Math.Round(-n, 3); } soc = Math.Round(c, 3) + ""; for (int i = 300; i < 601; i++) { diem[i] = new Label(); double x = i - 300; diem[i].Size = new Size(3, 3); int y = (int)Math.Round(30 * (a * Math.Sin(m * (x / 30) + n) + b * Math.Cos(m * (x / 30) + n) - c)); diem[i].Location = new Point(i - 1, 299 - y); diem[i].BackColor = Color.Blue; if (300 - y - 1 < 601) { dothi.Controls.Add(diem[i]); } diem[299] = new Label(); int y1, y2, tm; y1 = diem[i].Location.Y; y2 = diem[i - 1].Location.Y; if (y1 < y2) { tm = y2; y2 = y1; y1 = tm; } if (Math.Abs(y1 - y2) > 3 && i != 300 && y1 < 700 && y2 > -200) { Label[] them = new Label[700]; if (y2 < 10) { y2 = 10; } if (y1 > 590) { y1 = 590; } for (int j = y2; j < y1; j++) { them[j] = new Label(); them[j].BackColor = Color.Blue; them[j].Size = new Size(3, 3); them[j].Location = new Point(i - 1, j - 1); dothi.Controls.Add(them[j]); } } } for (int i = 300; i > 10; i--) { diem[i] = new Label(); double x = i - 300; diem[i].Size = new Size(3, 3); int y = (int)Math.Round(30 * (a * Math.Sin(m * (x / 30) + n) + b * Math.Cos(m * (x / 30) + n) - c)); diem[i].Location = new Point(i - 1, 299 - y); diem[i].BackColor = Color.Blue; if (300 - y - 1 < 601) { dothi.Controls.Add(diem[i]); } int y1, y2, tm; y1 = diem[i].Location.Y; y2 = diem[i + 1].Location.Y; if (y1 < y2) { tm = y2; y2 = y1; y1 = tm; } if (Math.Abs(y1 - y2) > 3 && i != 300 && y1 < 700 && y2 > -200) { Label[] them = new Label[700]; if (y2 < 10) { y2 = 10; } if (y1 > 590) { y1 = 590; } for (int j = y2; j < y1; j++) { them[j] = new Label(); them[j].BackColor = Color.Blue; them[j].Size = new Size(3, 3); them[j].Location = new Point(i - 1, j - 1); dothi.Controls.Add(them[j]); } } } for (int i = 1; i < 20; i++) { lg[i] = new Label(); lg[i].Text = ""; lg[i].Font = new Font("VNF-Comic Sans", 12); lg[i].AutoSize = true; } dothi.vetruc(); lg[1].Text = "Đồ thị hàm số y = " + soa + "sin( " + som + "x " + son + " ) " + sob + "cos( " + som + "x" + son + " ) = " + soc;; lg[1].Location = new Point(30, 610); for (int i = 1; i < 20; i++) { dothi.Controls.Add(lg[i]); } dothi.ShowDialog(); }
private void Button4_Click(object sender, EventArgs e) { TestGraph dothi = new TestGraph(); Label[] diem = new Label[700]; if (a > 0) { if (Math.Round(a, 3) != 1) { soa = Math.Round(a, 3) + ""; } } if (a < 0) { if (Math.Round(a, 3) != -1) { soa = "-" + Math.Round(-a, 3) + ""; } else { soa = "- "; } } if (b > 0) { if (Math.Round(b, 3) != 1) { sob = " + " + Math.Round(b, 3); } else { sob = "+ "; } } if (b < 0) { if (Math.Round(b, 3) != -1) { sob = "- " + Math.Round(-b, 3); } else { sob = "- "; } } if (c > 0) { soc = "+ " + Math.Round(c, 3); } if (c < 0) { soc = "- " + Math.Round(-c, 3); } for (int i = 300; i < 601; i++) { diem[i] = new Label(); double x = i - 300; if (radioButton1.Checked) { x = Math.Sin(x / 30); } if (radioButton2.Checked) { x = Math.Cos(x / 30); } int y = (int)Math.Round(30 * (a * (x * x + (k * k) / (x * x)) + b * (x + k / x) + c)); diem[i].Size = new Size(3, 3); diem[i].Location = new Point((int)i - 1, 300 - y - 1); diem[i].BackColor = Color.Blue; if (300 - y - 1 < 601) { dothi.Controls.Add(diem[i]); } diem[299] = new Label(); int y1, y2, tm; y1 = diem[i].Location.Y; y2 = diem[i - 1].Location.Y; if (y1 < y2) { tm = y2; y2 = y1; y1 = tm; } if (Math.Abs(y1 - y2) > 3 && i != 300 && y1 < 700 && y2 > -200) { Label[] them = new Label[700]; if (y2 < 10) { y2 = 10; } if (y1 > 590) { y1 = 590; } for (int j = y2; j < y1; j++) { them[j] = new Label(); them[j].BackColor = Color.Blue; them[j].Size = new Size(3, 3); them[j].Location = new Point(i - 1, j - 1); dothi.Controls.Add(them[j]); } } } for (int i = 300; i > 10; i--) { diem[i] = new Label(); double x = i - 300; if (radioButton1.Checked) { x = Math.Sin(x / 30); } if (radioButton2.Checked) { x = Math.Cos(x / 30); } int y = (int)Math.Round(30 * (a * (x * x + (k * k) / (x * x)) + b * (x + k / x) + c)); diem[i].Size = new Size(3, 3); diem[i].Location = new Point((int)i - 1, 300 - y - 1); diem[i].BackColor = Color.Blue; if (300 - y - 1 < 601) { dothi.Controls.Add(diem[i]); } int y1, y2, tm; y1 = diem[i].Location.Y; y2 = diem[i + 1].Location.Y; if (y1 < y2) { tm = y2; y2 = y1; y1 = tm; } if (Math.Abs(y1 - y2) > 3 && i != 300 && y1 < 700 && y2 > -200) { Label[] them = new Label[700]; if (y2 < 10) { y2 = 10; } if (y1 > 590) { y1 = 590; } for (int j = y2; j < y1; j++) { them[j] = new Label(); them[j].BackColor = Color.Blue; them[j].Size = new Size(3, 3); them[j].Location = new Point(i - 1, j - 1); dothi.Controls.Add(them[j]); } } } dothi.vetruc(); dothi.ShowDialog(); }