/// <summary>
/// Convert the matrix to a readable string.
/// </summary>
/// /// <param name="message">an optional message</param>
/// <returns>A string.</returns>
public string ToString(string message)
{
StringBuilder b = new StringBuilder();
b.Append("Matrix (" + MatrixMath.Rows(Values) + "x" + MatrixMath.Columns(Values) + ")" + (message.Length > 0 ? " - " : "") + message + "\n");
for (int r = 0; r < MatrixMath.Rows(Values); r++)
{
b.Append("[");
for (int c = 0; c < MatrixMath.Columns(Values); c++)
{
b.Append(Values[r][c]);
if (c + 1 != MatrixMath.Columns(Values))
{
b.Append(", ");
}
}
b.Append("]\n");
}
return(b.ToString());
}
/// <summary>
/// Create a new matrix object.
/// </summary>
/// <param name="rows">number of rows</param>
/// <param name="columns">number of columns</param>
public Matrix(int rows, int columns)
{
Values = MatrixMath.CreateMatrix(rows, columns);
}
/// <summary>
///
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public static Matrix Multiply(Matrix a, Matrix b)
{
return(new Matrix(MatrixMath.Multiply(a.Values, b.Values)));
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
/// <param name="scalar"></param>
/// <returns></returns>
public static Matrix Scale(Matrix m, float scalar)
{
return(new Matrix(MatrixMath.Scale(m.Values, scalar)));
}
/// <summary>
///
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="operation"></param>
/// <returns></returns>
public static Matrix ElementWiseOperation(Matrix a, Matrix b, ElementWiseOperation operation)
{
return(new Matrix(MatrixMath.ElementWiseOperation(a.Values, b.Values, operation)));
}
/// <summary>
/// Transpose a matrix and return a new object containing the result.
/// </summary>
/// <param name="m">the matrix</param>
/// <returns>the transposed matrix</returns>
public static Matrix Transpose(Matrix m)
{
return(new Matrix(MatrixMath.Transpose(m.Values)));
}
/// <summary>
/// Create a one column matrix from a vector.
/// </summary>
/// <param name="v">the vector</param>
public Matrix(Vector v)
{
Values = MatrixMath.VectorToMatrix(v.Values);
}
/// <summary>
///
/// </summary>
/// <param name="shape"></param>
public Matrix(IMatrixShape shape)
{
Values = MatrixMath.CreateMatrix(shape.Rows, shape.Columns);
}
public static bool CompareColumnsWithRows(float[][] a, float[][] b)
{
return(MatrixMath.Columns(a) == MatrixMath.Rows(b));
}
