public Tensor <Type> DimShuffle(params int[] axesPerm)
{
// axes may contain 'x' (120). Hopefuly no tensor will ever have so many dimensions...
var trans = Transpose <Type> .Create(this, axesPerm.Where(a => a != 'x').ToArray());
if (axesPerm.Contains('x'))
{
var shape = new Dim[axesPerm.Length];
for (int d = 0; d < axesPerm.Length; ++d)
{
if (axesPerm[d] == 'x')
{
shape[d] = 1;
}
else if (axesPerm[d] < 0)
{
shape[d] = Shape[NDim + axesPerm[d]];
}
else
{
shape[d] = Shape[axesPerm[d]];
}
}
trans = trans.Reshape(shape);
}
return(trans);
}