A dimension of length 1 is added a given position to a tensor
undrop.tensor(A,name,pos=1)
the tensor
the name of the dimension to be added
the position, where to insert the new dimension
A tensor with one extra dimension of length 1 with name name at position pos.
name
pos
The function is a pure convenience function.
# NOT RUN { A <- to.tensor(1:4,c(a=2,b=2)) undrop.tensor(A,"i") # }
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