# How o calculate weights in a linear equation?

The idea is to calculate output (y) using a linear combination of the 4 variables (x1, x2, x3, x4):

y = (a1 * x1 ) + (a2 * x2 ) + (a3 * x3 ) + (a4 * x4 )

My question is how to calculate those weights (a1, a2, a3, a4)?

Join Matchmaticians Affiliate Marketing
Program to earn up to a 50% commission on every question that your affiliated users ask or answer.

- unanswered
- 166 views
- Pro Bono

### Related Questions

- Diagonalization of linear transformations
- Find the general solution of the system of ODE $X'=\begin{bmatrix} 1 & 3 \\ -3 & 1 \end{bmatrix} X$
- Linear Algebra - Matrices (Multiple Choice Question) (1st Year College)
- Linear Algebra Help : Consider Two Planes, P1 and P2
- Find the values of a, for which the system is consistent. Give a geometric interpretation of the solution(s).
- Linear algebra
- two short Linear Algebra questions
- Linear Transformation Problems

This question should be offered a bounty.