Question: As a Computer Science Major Should I do Math or Physics as a Second Major? - YouTube

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• this video is very helpful. Im in a computer science program now and my university and im also working on a Math degree part time at another university (one class a term) and your advice on knowing the advanced Mathematics is spot on. Its truly helping me understand things and with my internship.

• The simple fact is that no matter if you do math or physics, you are going to do a ton of math. Physics does get into statistical analysis and other fun mathy goodness. Math degree will get into proofs which is interesting but not as much stats (at least that I know of), physics will get into statistical analysis.  the stuff he talks about as physics is engineering specific not physics. Think of physics(mathematically) as taking some phenomenon and trying to describe it with math. Physics is often important to game and modeling. It's a way of thinking that can be useful. I don't think this video answered the question accurately so I just felt that should be clarified.

• Wrong, physics gets into calculus and lineair algebra mostly, whereas math also goes into things like complexity, analysis, graph theory and group theory which can be very important in computer science.

• as someone who has done a physics degree we covered complex analysis, graph theory, group theory and statistical data analysis in very very high amounts of detail.

• Right, I didn't mean to say physics doesn't go deep into maths, but I do think there's a difference. With analysis I meant the study of the fundamentals of calculus, like proving things about infinite series and how they converge to real numbers and the fundamentals of differentiation and integration on various number systems plus defining and proving things about addition, subtraction, multiplication and division on a very fundamental level

• mathematics is a lot less about the application of maths.

• Physics also goes very deep into mathematics, but this is only to then be able to apply the mathematics properly, while having a good understanding of / intuition for the mathematics

• Mathematics in low-level programming is essential in dealing  with basic fundamentals such as memory allocation which is a primary cause of inefficiency.

• The high frequency trading that you are speaking about comes more from a statistical background. I have talked to my GSI who has completed their doctorate in mathematics and told me that after linear algebra, there is really no solid application for the theory that is provided. I completely agree that math is important since you are taught to prove theorems and solidify your logic, but it doesn't seem applicable after a certain threshold.

• Harmonic analysis can be used im digital signal processing but that isnt really CS.

• 2 majors and 1 minor, that guy is a beast!

• you don't know how much you helped me. well, you said a sentence that is kind of out of the topic, which is "if you've done computer eng I would go for physics " which I exactly wanted THANK YOU !!

• Like really accurate I love cryptography, and algorithm structures like you

• Math is related to every STEM field tbh. Even biology.

• I completely agree with you!

• bioinformatics

• What's the best way to study bio-related major after completing Computer science degree ? Is it worthy to do so ? And is it better to study a bio-related major as a new degree or to study masters after the cs degree.

• It’s been 5 years since ur comment. What’s ur job now what do u work at

• Honestly, majoring in physics to learn quantum physics is a huge waste. Quantum physics is heavily mathematical, you would only need like 2 physics classes worth of background (electromagnetism on a high level) and the rest is just mathematics. Literally!

• I'm just gonna major in compsci and get an MBA that way I can basically do anything