cuda_ndarray.cu error

ERROR (theano.sandbox.cuda): Failed to compile cuda_ndarray.cu: libcublas.so.6.5 cannot open shared object file: No such file or directory

solved by the following command:

sudo ldconfig /usr/local/cuda/lib64

refer to http://www.th7.cn/system/lin/201508/123570.shtml

An important material for deep reinforcement learning
https://www.nervanasys.com/demystifying-deep-reinforcement-learning/