Converting to double[,]
can only be done by looping through the list and requires that all arrays contained in the list are of same size:
double[,] arr = new double[list.Count, list[0].Length];
for (int i = 0; i < list.Count; i++)
{
for (int j = 0; j < list[0].Length; j++)
{
arr[i, j] = list[i][j];
}
}
Of course, you can easily create a jagged double[][]
array of arrays by calling .ToArray()
:
double[] array = new double[] { 1.0, 2.0, 3.0 };
double[] array1 = new double[] { 4.0, 5.0, 6.0 };
List<double[]> list = new List<double[]>();
list.Add(array);
list.Add(array1);
double[][] jaggedArray = list.ToArray();
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