- #1

- 176

- 0

[tex]

\frac{d}{d\beta}(-\Sigma_{i=1}^n[\frac{(y_i - \alpha - \beta x_i)^2}{2 \sigma^2}]) = 0

[/tex]

that

[tex]

\Sigma_{i=1}^n x_i(y_i - \alpha - \beta x_1) = 0

[/tex]

?

- Thread starter superwolf
- Start date

- #1

- 176

- 0

[tex]

\frac{d}{d\beta}(-\Sigma_{i=1}^n[\frac{(y_i - \alpha - \beta x_i)^2}{2 \sigma^2}]) = 0

[/tex]

that

[tex]

\Sigma_{i=1}^n x_i(y_i - \alpha - \beta x_1) = 0

[/tex]

?

- #2

diazona

Homework Helper

- 2,175

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What happens when you take the derivative?

This one won't be hard ;-)

This one won't be hard ;-)

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