Linear Algebra Done Right - Chapter 5

Selected Exercises #

5.A #

12. Define $ T \in \mathcal L(\mathcal P_4(\mathbf{R})) $ by

$$ (Tp)(x) = xp’(x) $$

for all $ x \in …

Linear Algebra Done Right - Chapter 4

Selected Exercises #

4. Suppose $m$ and $n$ are positive integers with $ m \leq n $, and suppose $ \lambda_1, \dots, \lambda_m \in F $. …

Linear Algebra Done Right - Chapter 3

Selected Exercises #

3.D #

7. Suppose $ V $ & $ W $ are finite-dimensional. Let $ v \in V $. Let $$ E = \{ T \in \mathcal L(V, W): …

Better Project Planning With Prediction Markets

As I understand it, much of Coase’s work focuses on why companies’ internal structures don’t resemble markets all that …

Linear Algebra Done Right - Chapter 2

Intro #

I’ve recently been making my way through Axler’s Linear Algebra Done Right and, as a way to motivate myself to …

Babble, Learning, and the Typical Mind Fallacy

Babbling About Babble #

In a series of posts on his blog (or LessWrong if you prefer), alkjash writes about “babble” and …

My Interpretation of Movember

(Cross-posted from Facebook.)

This is the first time I’ve posted on Facebook in … long. However, at the encouragement of a few …

State of my Mind

This page tracks things about which I’ve changed my mind over time and things about which I’m still confused. For some things, …

JIT Reading

Seibel, James Hague and others have all tried to justify why code reading is so uncommon, and they make good points. But perhaps the …

Weekly Newsletter

Links #

Physics #

What is Spacetime, Really?
Stephen Wolfram talks about the difficulty inherent to coming up with a universal theory …