private static List <MatrixInputData> ReadFileInput(string fileName)
{
List <MatrixInputData> dataSets = new List <MatrixInputData>();
StreamReader stream = new StreamReader(fileName);
string line;
while ((line = stream.ReadLine()) != null)
{
if (line[0] == '#')
{
// convert to numbers ... example: "#4x4" -> "4x4" -> ["4", "4"]
string[] size = line.Substring(1).Split('x');
int rows = int.Parse(size[0]);
int cols = int.Parse(size[0]);
MatrixInputData data = new MatrixInputData();
data.matrix = new float[rows, cols];
data.rhs = new float[rows, 1];
// read data
for (int i = 0; i < rows; i++)
{
line = stream.ReadLine();
string[] values = line.Split(',');
// read entire row matrix values
for (int j = 0; j < cols; j++)
{
data.matrix[i, j] = float.Parse(values[j]);
}
// read the last column as rhs
data.rhs[i, 0] = float.Parse(values[cols]);
}
dataSets.Add(data);
}
}
return(dataSets);
}
private static void SolveMatrix(MatrixInputData input)
{
Console.WriteLine("Processing {0}x{1}...", input.matrix.GetLength(0), input.matrix.GetLength(1));
Stopwatch watch = Stopwatch.StartNew();
float[,] inverse = new PerformanceMatrix().Inverse(input.matrix);
float[,] answer = Matrix.Multiply(inverse, input.rhs);
watch.Stop();
Console.WriteLine();
Console.WriteLine("Answer=\n" + FormatAsQuizAnswer(answer));
Console.WriteLine("Finished in " + watch.ElapsedMilliseconds + "ms");
}
