/// <summary>
/// Convert to String[] from NDArray
/// </summary>
/// <param name="arr"></param>
/// <returns></returns>
public static string[] AsStringArray(NDArray arr)
{
var chars = arr.ToString();
int pos = chars.IndexOf(' ');
int numOfRows = int.Parse(chars.Substring(0, pos));
int posOfContent = chars.IndexOf(':');
string contents = chars.Substring(posOfContent + 1);
int[] strLengths = chars.Substring(pos + 1, posOfContent - pos - 1)
.Split(' ')
.Select(x => int.Parse(x))
.ToArray();
string[] strArray = new string[numOfRows];
int currentPos = 0;
for (int i = 0; i < numOfRows; i++)
{
strArray[i] = contents.Substring(currentPos, strLengths[i]);
currentPos += strLengths[i];
}
return(strArray);
}