/// <summary>
/// Возвращает строковое представлеине данной матрицы.
/// </summary>
/// <returns>Строковое представлеине данной матрицы.</returns>
/// <remarks>
/// <code>
/// var matrix = Matrix3D.GetRotation(Math.PI, new Point3D(1, 1, 1));
/// Console.Write(matrix); //Результат: -1/3 2/3 2/3 | 2/3 -1/3 2/3 | 2/3 2/3 -1/3
/// </code>
/// </remarks>
public override string ToString()
{
if (IsNaN)
{
return("NaN");
}
return
(CStatic.DoubleToString(Line1.X) + CStatic.EmSp +
CStatic.DoubleToString(Line1.Y) + CStatic.EmSp +
CStatic.DoubleToString(Line1.Z) + CStatic.EmSp +
"|" + CStatic.EmSp +
CStatic.DoubleToString(Line2.X) + CStatic.EmSp +
CStatic.DoubleToString(Line2.Y) + CStatic.EmSp +
CStatic.DoubleToString(Line2.Z) + CStatic.EmSp +
"|" + CStatic.EmSp +
CStatic.DoubleToString(Line3.X) + CStatic.EmSp +
CStatic.DoubleToString(Line3.Y) + CStatic.EmSp +
CStatic.DoubleToString(Line3.Z));
}
/// <summary>
/// Возвращает строковое представлеине данного линейного уравнения.
/// </summary>
/// <returns>Строковое представление данного линейного уравнения.</returns>
/// <remarks>
/// <code>
/// var linear = new Linear(new double[] {3, 1, -1}, -4);
/// Console.Write(linear); //Результат: 3 x₁ + x₂ - x₃ = -4
/// Console.Write(-linear/3); //Результат: -x₁ - 1/3 x₂ + 1/3 x₃ = 4/3
/// </code>
/// </remarks>
public override string ToString()
{
var result = CStatic.GetToStringHashValue(this);
if (result != null)
{
return(result);
}
result = "";
for (var i = 0; i < A.Length; i++)
{
var sym = "x" + CStatic.GetIndex(i + 1);
CStatic.AddLinearItem(ref result, A[i], sym);
}
result = result == "" ? "0" : result;
result += " = " + CStatic.DoubleToString(Y);
CStatic.AddToStringHashValue(this, result);
return(result);
}