introduction to pytorch in [ ]torch sigmoid(aout[ ]tensor([ ]in [ ]torch tanh(aout[ ]tensor([- - - - - ]in [ ]torch log (aout[ ]tensor(-inf- - - - ]in [ ]torch erf(aout[ ]tensor([- - - - - ]in [ ]torch erfinv(aout[ ]tensor(-inf- - - - inf]comparison operations for tensors let' now consider some operations that allow us to compare elements of the tensor--namelyge (greater than or equal)le (lesser than or equal)eq (equaland ne (not equallisting - illustrates comparison operations for tensors