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Ask HN: What kind of math do you study in your free time?

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Re: Ask HN: What kind of math do you study in your free time?

#2
There's lectures for that book if you're interested (I don't own the book yet) https://ocw.mit.edu/courses/mathematics/18-065-matrix-method...

In my free time I attempt to work through The Nature of Computation by Stephan Mertens & Cristopher Moore. Edit: Forgot to add, there's lectures for the TCS book too in this playlist specifically 'CS Theory Toolkit' https://www.youtube.com/channel/UCWnu2XymDtORV--qG2uG5eQ/pla...

Re: Ask HN: What kind of math do you study in your free time?

#3

There's lectures for that book if you're interested (I don't own the book yet) https://ocw.mit.edu/courses/mathematics/18-065-matrix-method... In my free time I attempt to work through The Nature of Computation by Stephan Mertens & Cristopher Moore. Edit: Forgot to add, there's lectures for the TCS book too in this playlist specifically 'CS Theory Toolkit' https://www.youtube.com/channel/UCWnu2XymDtORV--qG2uG5eQ/pla.…

Nice, thanks!

That sounds interesting. Sadly, I have a huge backlog already...

Re: Ask HN: What kind of math do you study in your free time?

#6
I'm working my way through Ivan Savov's "No bullshit guide to math & physics" - https://www.goodreads.com/book/show/22876442-no-bullshit-gui...

Would recommend it to anyone whose maths needs a bit of a brush up, or anyone who's interested in basic mechanics!

Oh and I'm using Khan Academy for extra practice, which I can warmly recommend as well.

Re: Ask HN: What kind of math do you study in your free time?

#7
The predicate calculus. I regularly review Predicate Calculus and Program Semantics[1] to increase my fluency in the techniques. I also recommend A Discipline of Programming[2] as a gentler introduction to the subject for those who do not consider themselves particularly mathematically inclined. For me it was a natural progression from doing TDD. I still code test first, but now the structure of those tests and programs is guided by a better understanding of program semantics, greatly increasing my code quality.

[1] https://www.amazon.com/Predicate-Calculus-Semantics-Monograp...

[2] https://www.amazon.com/Discipline-Programming-Edsger-W-Dijks...

Re: Ask HN: What kind of math do you study in your free time?

#9
Less focused but enjoyed Eddie Woo's and 3blue1brown's more recent videos on Youtube

Also challenged by Tom Duff's trigonometry page - http://www.iq0.com/notes/trig.html

Enjoy learning how to derive identities and equations from first principles - quite like differential of x^2 => 2x and the quadratic eqn via completing the square

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