Python NumPy] 배열을 옆으로, 위 아래로 붙이기 : np.r_, np.c_, np.hstack(), np.vstack(), np.column_stack(), np.concatenate(axis=0), np.concatenate(axis=1)
![numpy - Use of np.r_ and np.c_ VS hstack and vstack in python. On using both gives same output - Stack Overflow numpy - Use of np.r_ and np.c_ VS hstack and vstack in python. On using both gives same output - Stack Overflow](https://i.stack.imgur.com/nMJLT.png)
numpy - Use of np.r_ and np.c_ VS hstack and vstack in python. On using both gives same output - Stack Overflow
![numpy - Use of np.r_ and np.c_ VS hstack and vstack in python. On using both gives same output - Stack Overflow numpy - Use of np.r_ and np.c_ VS hstack and vstack in python. On using both gives same output - Stack Overflow](https://i.stack.imgur.com/aCq0O.png)