private void Inversebutton_Click(object sender, EventArgs e)
{
try
{
if (MatrixDTextBox.Text == "")
{
MessageBox.Show("请输入数据", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (!matrixD.ReadAndCheckMatrix(MatrixDTextBox))
{
MessageBox.Show("矩阵行列有误", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (!OneMatrix.MatrixInverse(matrixD))
{
MessageBox.Show("该矩阵无逆矩阵", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
else
{
MatrixETextBox.Text = "";
var fontsize = (int)(MatrixETextBox.Width / (Math.Max(matrixD.Columns, matrixD.Rows))) / 15;
MatrixETextBox.Font = new System.Drawing.Font(MatrixETextBox.Font.FontFamily, fontsize);
Matrix.WriteMatrix(MatrixETextBox, matrixD);
}
}
catch
{
MessageBox.Show("出现未知错误!");
}
}
private void ComputeRankbutton_Click(object sender, EventArgs e)
{
try
{
if (MatrixDTextBox.Text == "")
{
MessageBox.Show("请输入数据", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (!matrixD.ReadAndCheckMatrix(MatrixDTextBox))
{
MessageBox.Show("矩阵行列有误", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
//matrixE.Init(0, 0);
MatrixETextBox.Text = "";
int temp = OneMatrix.ComputeRankGauss(matrixD);
double[] result = new double[1] {
temp
};
matrixE.Init(1, 1);
matrixE.SetData(result);
var fontsize = (int)(MatrixETextBox.Width / (Math.Max(matrixE.Columns, matrixE.Rows))) / 5;
MatrixETextBox.Font = new System.Drawing.Font(MatrixETextBox.Font.FontFamily, fontsize);
Matrix.WriteMatrix(MatrixETextBox, matrixE);
}
catch
{
MessageBox.Show("出现未知错误!");
}
}
private void Transposebutton_Click(object sender, EventArgs e)
{
if (MatrixDTextBox.Text == "")
{
MessageBox.Show("请输入数据", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (!matrixD.ReadAndCheckMatrix(MatrixDTextBox))
{
MessageBox.Show("矩阵行列有误", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
try
{
MatrixETextBox.Text = "";
matrixE = OneMatrix.MatrixTranspose(matrixD);
Matrix.WriteMatrix(MatrixETextBox, matrixE);
var fontsize = (int)(MatrixETextBox.Width / (Math.Max(matrixE.Columns, matrixE.Rows))) / 5;
MatrixETextBox.Font = new System.Drawing.Font(MatrixETextBox.Font.FontFamily, fontsize);
}
catch
{
MessageBox.Show("出现未知错误!");
}
//var buttonsize = MatrixETextBox.Font.Size;
}
private void ComputeEvJbutton_Click(object sender, EventArgs e)
{
try
{
if (MatrixDTextBox.Text == "")
{
MessageBox.Show("请输入数据", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (!matrixD.ReadAndCheckMatrix(MatrixDTextBox))
{
MessageBox.Show("矩阵行列有误", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (matrixD.GetNumColumns() != matrixD.GetNumRows())
{
MessageBox.Show("该矩阵不为方阵，无法求出特征值与特征向量", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
//MatrixEvjForm form = new MatrixEvjForm();
double[] Evj1 = new double[matrixD.GetNumRows()];
if (!OneMatrix.ComputeEvJacobi(matrixD, Evj1, matrixE, 100, 0.1))
{
MessageBox.Show("特征值与特征向量求解失败", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
else
{
//matrixEvj1.Init(0, 0);
matrixEvj1textbox.Text = "";
//matrixEvj2.Init(0, 0);
matrixEvj2textbox.Text = "";
matrixEvj1 = new Matrix(Evj1.Length, Evj1.Length);
var fontsize1 = (int)(matrixEvj1textbox.Width / (Math.Max(matrixEvj1.Columns, matrixEvj1.Rows))) / 3;
matrixEvj1textbox.Font = new System.Drawing.Font(matrixEvj1textbox.Font.FontFamily, fontsize1);
matrixEvj1.DiagonalMatrix(Evj1);
matrixEvj2 = new Matrix(matrixE);
var fontsize2 = (int)(matrixEvj2textbox.Width / (Math.Max(matrixEvj2.Columns, matrixEvj2.Rows))) / 4;
matrixEvj2textbox.Font = new System.Drawing.Font(matrixEvj2textbox.Font.FontFamily, fontsize2);
Matrix.WriteMatrix(matrixEvj1textbox, matrixEvj1);
Matrix.WriteMatrix(matrixEvj2textbox, matrixEvj2);
}
}
catch
{
MessageBox.Show("出现未知错误!");
}
}
