From e3662a5aeabecf6cb53c9f842261a44872847ab5 Mon Sep 17 00:00:00 2001 From: Rachel Lambda Samuelsson Date: Wed, 2 Aug 2023 18:57:04 +0200 Subject: [PATCH] fix typo --- _posts/2023-03-06-a-favourite-proof-of-mine.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/_posts/2023-03-06-a-favourite-proof-of-mine.md b/_posts/2023-03-06-a-favourite-proof-of-mine.md index 5674a26..adb09c8 100644 --- a/_posts/2023-03-06-a-favourite-proof-of-mine.md +++ b/_posts/2023-03-06-a-favourite-proof-of-mine.md @@ -108,7 +108,7 @@ Now we can solve $(S-\lambda I_2) \hat v = 0$ for $\lambda_0$ and $\lambda_1$, a $$ \hat v_0 = \begin{bmatrix} -2 \\ \sqrt 5 - 1 \end{bmatrix},\; \hat v_1 = \begin{bmatrix} 2 \\ \sqrt 5 + 1 \end{bmatrix} $$ -These vectors are indeed linearly dependent, and we can use them as basis vectors for our diagonal matrix. We will now to write $S = BDB^{-1}$ where +These vectors are indeed linearly independent, and we can use them as basis vectors for our diagonal matrix. We will now to write $S = BDB^{-1}$ where $$ B = \begin{bmatrix} -2 & 2 \\ \sqrt 5 - 1 & \sqrt 5 + 1 \end{bmatrix}$$ $$ D = \begin{bmatrix} \frac{1 - \sqrt 5}{2} & 0 \\ 0 & \frac{1 + \sqrt 5}{2} \end{bmatrix}$$