private void InBox_KeyPress(object sender, KeyPressEventArgs e)
{
//数値およびバックスぺースのみを受け入れる
if ((e.KeyChar < '0' || e.KeyChar > '9') && (e.KeyChar != '\b'))
{
if (e.KeyChar != '-' && InBox.TextLength == 0)
{
e.Handled = true;
}
}
if ((e.KeyChar == (char)Keys.Enter) && InBox.Text != "" && InBox.Text != "-")
{
Console.WriteLine(InBox.Text);
OutBox.AppendText(InBox.Text + "\r\n");
Kotaeawase();
InBox.Text = "";
if (mondaiCnt < mondaiMax)
{
Mondaisakusei();
}
else
{
Seiseki();
}
}
}
private void Seiseki()
{
InBox.Enabled = false;
mondaiLbl2.Text = "";//問題の表示をクリア
OutBox.AppendText("正解数は" + seikaiCnt + "です。");
PercentageOfCorrectAnswers = seikaiCnt / mondaiMax * 100;
OutBox.AppendText("正答率は" + PercentageOfCorrectAnswers + " % です。");
StartButton.Text = "開 始";
}
}//Kotaeawase
// 成績処理
private void Seiseki()
{
mondaiCnt++; // Timer1_Tick を終了するためのプラス１
InBox.Enabled = false; // InBox を無効に
MondaiLbl.Text = ""; // 問題の表示のクリア
OutBox.AppendText("正解数は " + seikaiCnt + " です");
// 正解率の表示
ansRate = 1.0 * seikaiCnt / mondaiMax * 100; // C#の場合、整数同士ではなく実数同士の割り算であることを示すために、1.0 を最初にかける必要がある。
OutBoxCorrectAnsRate.Text = ansRate + " %";
}//Seiseki
private void Kotaeawase()
{
if (noC == Int64.Parse(InBox.Text))
{
OutBox.AppendText("○ ");
seikaiCnt++;
}
else
{
OutBox.AppendText("× ");
}
OutBox.AppendText(mondaiLbl2.Text + InBox.Text + "\r\n");
}
private void CauchyButton_Click(object sender, EventArgs e)
{
leftBorder = Convert.ToDouble(LeftBorderBox.Text);
rightBorder = Convert.ToDouble(RightBorderBox.Text);
double[] x = new Double[2];
x.SetValue(Convert.ToDouble(x0Box.Text), 0);
x.SetValue(Convert.ToDouble(x1Box.Text), 1);
double eps = Convert.ToDouble(EpsilonBox.Text);
double h = Convert.ToDouble(StepBox.Text);
OutBox.Clear();
OutBox.AppendText(Grad(x, eps, h));
}
}//InBox_KeyPress
// 答え合わせ
private void Kotaeawase()
{
// Inr64.parse() = ()内の取得した値を数値型に変換する
if (sumAB == Int64.Parse(InBox.Text))
{
OutBox.AppendText("〇 "); // ここで \r\n を入力しないのがポイント
seikaiCnt++; // 正解数を+1
}
else
{
// ここで \r\n を入力しないのがポイント
OutBox.AppendText("× ");
}
// 問題 + 入力 + 改行
OutBox.AppendText(MondaiLbl.Text + InBox.Text + "\r\n");
}//Kotaeawase
private void StartButton_Click(object sender, EventArgs e)
{
OutBox.Clear();
List <Attribute> matrixAttr = new List <Attribute>();
int x = 0;
int y = 0;
double min = 0;
double[,] A1;
x = int.Parse(Xbox.Text);
y = int.Parse(Ybox.Text);
A1 = new double[x, y];
for (int i = 0, index = 0; i < x; i++)
{
for (int j = 0; j < y; j++, index++)
{
A1[i, j] = parseElement(index);
}
}
for (int i = y - x, count = 0; i < y; count++, i++)
{
matrixAttr.Add(new Attribute()
{
value = A1[count, y - 1]
});
if (i == y - 1)
{
matrixAttr[count].name = "P";
}
else
{
matrixAttr[count].name = "x" + i;
}
}
do
{
min = 0;
int colPosition = 0;
// Find min element in last line and set colPosition
for (int i = 0; i < y; i++)
{
if (A1[x - 1, i] < 0 && min > A1[x - 1, i])
{
min = A1[x - 1, i];
colPosition = i;
}
}
double[] tempArray = new double[x - 1];
// A1[Last col] / A1[colPosition]
for (int i = 0; i < tempArray.Length; i++)
{
tempArray[i] = A1[i, y - 1] / A1[i, colPosition];
}
min = tempArray[0];
int rawPosition = 0;
// Find min element and set rawPosition
for (int i = 0; i < tempArray.Length; i++)
{
if (min > tempArray[i])
{
min = tempArray[i];
rawPosition = i;
}
}
double num = A1[rawPosition, colPosition];
// A1[rawPosition] / A1[rawPosition, colPosition]
for (int i = 0; i < y; i++)
{
A1[rawPosition, i] = A1[rawPosition, i] / num;
}
// A1[raws] - A1[rawPosition] * A1[colPosition]
for (int i = 0; i < x - 1; i++)
{
if (i != rawPosition)
{
num = A1[i, colPosition];
for (int j = 0; j < y; j++)
{
A1[i, j] = A1[i, j] - A1[rawPosition, j] * Math.Abs(num);
}
}
}
num = A1[x - 1, colPosition];
// A1[Last raw] + A1[rawPosition] * A1[colPosition]
for (int i = 0; i < y; i++)
{
A1[x - 1, i] = A1[x - 1, i] + A1[rawPosition, i] * Math.Abs(num);
}
// Change values and rawPosition.name beacause of new basic solution
for (int i = 0; i < x; i++)
{
matrixAttr[i].value = A1[i, y - 1];
if (i == rawPosition)
{
matrixAttr[i].name = "x" + i;
}
}
// Repeat?
min = 0;
for (int i = 0; i < y; i++)
{
if (A1[x - 1, i] < 0 && min > A1[x - 1, i])
{
min = A1[x - 1, i];
}
}
} while (min < 0);
// Sort by Name column
matrixAttr.Sort((a, b) => {
if (a.name != "P" && b.name != "P")
{
return(a.name.CompareTo(b.name));
}
return(0);
});
// And print out
for (int i = 0; i < x; i++)
{
OutBox.AppendText(matrixAttr[i].name + " = " + matrixAttr[i].value + "\n");
}
}
private void Seiseki()
{
InBox.Enabled = false;
MondaiLbl.Text = "";
OutBox.AppendText("正解数は " + seikaiCnt + " です");
}