// TODO: Test
/// <summary>
/// Creates projection matrix for the specified subspace.
/// </summary>
public static double[,] CreateProjectionMatrix(double[,] subspace)
{
var subspaceTranspose = MatrixFunctions.Transpose(subspace);
double[,] value = MatrixFunctions.Multiply(subspaceTranspose, subspace);
value = MatrixFunctions.Invert(value);
value = MatrixFunctions.Multiply(value, subspaceTranspose);
value = MatrixFunctions.Multiply(subspace, value);
return(value);
}
/// <summary>
/// Multiplies/scales matrix by a scalar input.
/// </summary>
public virtual Matrix Scale(double scalar)
{
return(new Matrix(MatrixFunctions.Multiply(scalar, this.InnerMatrix)));
}
/// <summary>
/// Multiplies matrix by another.
/// </summary>
public virtual Matrix Multiply(double[,] matrix)
{
return(new Matrix(MatrixFunctions.Multiply(this.InnerMatrix, matrix)));
}
