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();
}