how to calculate in a 2d array c# code example
Example 1: how to declare 2d array in c#
int[,] array2D = new int[,] { { 1, 2 }, { 3, 4 }, { 5, 6 }, { 7, 8 } };
Example 2: select a whole row out of a 2d array C#
public class CustomArray<T>
{
public T[] GetColumn(T[,] matrix, int columnNumber)
{
return Enumerable.Range(0, matrix.GetLength(0))
.Select(x => matrix[x, columnNumber])
.ToArray();
}
public T[] GetRow(T[,] matrix, int rowNumber)
{
return Enumerable.Range(0, matrix.GetLength(1))
.Select(x => matrix[rowNumber, x])
.ToArray();
}
}