public Matrix GetRow(int row)
{
if (row > Rows)
{
throw new MatrixError("Can't get row #" + row
+ " because it does not exist.");
}
var newMatrix = new double[1][];
newMatrix[0] = new double[Cols];
for (int col = 0; col < Cols; col++)
{
newMatrix[0][col] = matrix[row][col];
}
return new Matrix(newMatrix);
}
public void GetRow() { double[][] matrixData1 = { new[] {1.0, 2.0}, new[] {3.0, 4.0} }; double[][] matrixData2 = { new[] {3.0, 4.0} }; var matrix1 = new Matrix(matrixData1); var matrix2 = new Matrix(matrixData2); Matrix matrixRow = matrix1.GetRow(1); Assert.IsTrue(matrixRow.Equals(matrix2)); try { matrix1.GetRow(3); Assert.IsTrue(false); } catch (MatrixError) { Assert.IsTrue(true); } }