I have installed lidar and deep learning toolbox, but I when use this function ownloadPretrainedPointPillarsNet, I get this error: Unrecognized function or variable 'downloadPretrainedPointPillarsNet'. can you help me? Thanks.
I believe that command isn't a standard function in MATLAB, it's a helper provided with the example. You'll need to use the correct "openExample" command to get to a directory with all of the example helper files.
You can find the right openExample command by going to the example page, clicking the "View MATLAB Command" link to the right, and following the instructions there.