(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Hi,

Is there a matrix property that can be applied to take the square of a column vector?

Something like:

[itex]{\bf x}=\left[x_1,x_2,x_3\right]^T[/itex]

[itex]\left[{\bf x}\right]^2[/itex]

[itex]={\bf x}{\bf x}^T[/itex]

or

[itex]={\bf x}^T{\bf x}[/itex]?

Thank you.

2. Relevant equations

3. The attempt at a solution

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: What is the square of a column vector?

**Physics Forums | Science Articles, Homework Help, Discussion**