introduction to pytorch in [ ] torch ones( , in [ ] out[ ]tensor([[ ][ ]]in [ ] shape out[ ]torch size([ ]in [ ]torch addmm(mabout[ ]tensor([[ ][ ]]in [ ]torch addmm( about[ ]tensor([[ ][ ]]in [ ]torch addmm( about[ ]tensor([[ ][ ]]the addmv function (matrix-vectorallows you to perform the computation bwhere and are scalarsm and are matricesand is vector note that addmv takes parameters and with default values equal to one listing - illustrates matrix vector addition for tensors