Normal Equations
Normal Equations
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To solve the linear $A x = b$
We multiply by $A^T$ on both sides to have
$A^T A x = A^T b$
$x = (A^T A)A^T b$
[Back](../math.md{: .button}
To solve the linear $A x = b$
We multiply by $A^T$ on both sides to have
$A^T A x = A^T b$
$x = (A^T A)A^T b$