/// <param name="matrix">The matrix to return as a String</param>
/// <param name="format">The format to use for each value in the matrix, eg "%f"</param>
public static string ToString(SimpleMatrix matrix, string format)
{
ByteArrayOutputStream stream = new ByteArrayOutputStream();
MatrixIO.Print(new TextWriter(stream), matrix.GetMatrix(), format);
return(stream.ToString());
}