th neural_style.lua -style_image examples/inputs/picasso_selfport1907.jpg -content_image examples/inputs/brad_pitt.jpg
it gives error:


The error is really obvious in this case. You need to install cutorch. Just run the following command:
luarocks install cutorch
When I do the luarocks install cutorch code I get this error

it seems you have a old version of cuda, upgrade it to 6.5+
Most helpful comment
The error is really obvious in this case. You need to install cutorch. Just run the following command: