private void btnM1MinusM2_Click(object sender, EventArgs e)
{
updateM1();
updateM2();
double[,] result = MatrixAndVector.Subtraction(matrix1, matrix2);
richTextBox1.Text = MatrixAndVector.MatrixString(result);
}
private void btnV1MinusV2_Click(object sender, EventArgs e)
{
updateV1();
updateV2();
double[] result = MatrixAndVector.Subtraction(vector1, vector2);
richTextBox1.Text = MatrixAndVector.VectorString(result);
}