Tensorex.fetch
You're seeing just the function
fetch
, go back to Tensorex module for more information.
Specs
Returns a tensor or a number stored at the index.
The key can be a list of indices or ranges. If integer indices are given, it returns a tensor or a numeric value specified by the index. If ranges are given, it returns a tensor consisting partial elements.
Negative indices are counted from the end.
iex> Tensorex.from_list([[[ 1 , -3.1, 2 ],
...> [ 4 , 5 , -6.1],
...> [ 0.9 , -91.2, 11 ]],
...> [[10 , -30.1, 20 ],
...> [40 , 50 , -60.1],
...> [ 0.09, -910.2, 110 ]]])[[0, 0, 0]]
1
iex> Tensorex.from_list([[[ 1 , -3.1, 2 ],
...> [ 4 , 5 , -6.1],
...> [ 0.9 , -91.2, 11 ]],
...> [[10 , -30.1, 20 ],
...> [40 , 50 , -60.1],
...> [ 0.09, -910.2, 110 ]]])[[0, 0]]
%Tensorex{data: %{[0] => 1, [1] => -3.1, [2] => 2}, shape: [3]}
iex> Tensorex.from_list([[[ 1 , -3.1, 2 ],
...> [ 4 , 5 , -6.1],
...> [ 0.9 , -91.2, 11 ]],
...> [[10 , -30.1, 20 ],
...> [40 , 50 , -60.1],
...> [ 0.09, -910.2, 110 ]]])[[0]]
%Tensorex{data: %{[0, 0] => 1 , [0, 1] => -3.1, [0, 2] => 2 ,
[1, 0] => 4 , [1, 1] => 5 , [1, 2] => -6.1,
[2, 0] => 0.9, [2, 1] => -91.2, [2, 2] => 11 }, shape: [3, 3]}
iex> Tensorex.from_list([[[ 1 , -3.1, 2 ],
...> [ 4 , 5 , -6.1],
...> [ 0.9 , -91.2, 11 ]],
...> [[10 , -30.1, 20 ],
...> [40 , 50 , -60.1],
...> [ 0.09, -910.2, 110 ]]])[[2]]
nil
iex> Tensorex.from_list([[ 1, 2, 3],
...> [ 4, 5, 6],
...> [ 7, 8, 9],
...> [10, 11, 12]])[[1..2]]
%Tensorex{data: %{[0, 0] => 4, [0, 1] => 5, [0, 2] => 6,
[1, 0] => 7, [1, 1] => 8, [1, 2] => 9}, shape: [2, 3]}
iex> Tensorex.from_list([[ 1, 2, 3],
...> [ 4, 5, 6],
...> [ 7, 8, 9],
...> [10, 11, 12]])[[-2..-1]]
%Tensorex{data: %{[0, 0] => 7, [0, 1] => 8, [0, 2] => 9,
[1, 0] => 10, [1, 1] => 11, [1, 2] => 12}, shape: [2, 3]}
iex> Tensorex.from_list([[ 1, 2, 3],
...> [ 4, 5, 6],
...> [ 7, 8, 9],
...> [10, 11, 12]])[[1..2, 1..-1]]
%Tensorex{data: %{[0, 0] => 5, [0, 1] => 6,
[1, 0] => 8, [1, 1] => 9}, shape: [2, 2]}
iex> Tensorex.from_list([[ 1, 2, 3],
...> [ 4, 0, 6],
...> [ 7, 8, 9],
...> [10, 11, 12]])[[1, 1]]
0.0