size mismatch: error 在搭建网络的时候
m 1 = [ a × b ] ⇒ [ b a t c h s i z e × i n f e a t u r e ] m_1 = [a \times b] \Rightarrow [batch size \times in feature] m
m 1 = [ a × b ] ⇒ [ b a t c h s i z e × i n f e a t u r e ] m_1 = [a \times b] \Rightarrow [batch size \times in feature] m