# Revision history [back]

### Why cant I multiply two vectors together on sage cell?

Hello all. Reluctant sage noob here. My friend recently told me about sage and convinced me to give it a whirl. (My background is MATLAB).

I made an account, and went to sage cell for a quick run. I typed this in:

v = vector([3, 4]);
vC = v.column();
vC*v


I would like to simply get the outer product of those two vectors. However it errors out.

I would like to think that I am boneheading something here, because this is a legitimate operation. I have multiple tutorial/documentation tabs open but nothing really elucidating why/how this doesnt work.

Would appreciate any insight.

### Why cant I multiply two vectors together on sage cell?

Hello all. Reluctant sage Sage noob here. My friend recently told me about sage and convinced me to give it a whirl. (My background is MATLAB).

I made an account, and went to sage cell for a quick run. I typed this in:

v = vector([3, 4]);
vC = v.column();
vC*v


I would like to simply get the outer product of those two vectors. However it errors out.

I would like to think that I am boneheading something here, because this is a legitimate operation. I have multiple tutorial/documentation tabs open but nothing really elucidating why/how this doesnt work.

Would appreciate any insight.