DataTable GetDataTable(ndarray matrix)
{
if (matrix.ndim != 2)
{
throw new Exception("We only handle 2D arrays");
}
Int32[] RawData = matrix.AsInt32Array();
int r = 0;
DataTable dt = new DataTable();
for (int i = 0; i < matrix.dims[0]; i++)
{
dt.Columns.Add();
}
for (int i = 0; i < matrix.dims[1]; i++)
{
var newRow = dt.NewRow();
for (int j = 0; j < matrix.dims[0]; j++)
{
newRow[j] = RawData[r];
r++;
}
dt.Rows.Add(newRow);
}
dt.AcceptChanges();
return(dt);
}
private NDArray Slice(ndarray x, ndarray num_anchors, ndarray num_offsets)
{
var anchors = new List <int> {
0
};
anchors.AddRange(num_anchors.AsInt32Array());
var offsets = new List <int> {
0
};
offsets.AddRange(num_offsets.AsInt32Array());
var ret = new List <NDArray>();
foreach (var i in Enumerable.Range(0, (int)num_anchors.Size))
{
var y = (ndarray)x[":", $"{offsets[i]}:{offsets[i + 1]}", $"{anchors[i]}:{anchors[i + 1]}", ":"];
ret.Add(y.reshape(new shape(0, -3, -1)));
}
return(nd.Concat(ret, dim: 1));
}