Hi 30, I’m dad

Solution: simply cover your most phallic groceries with condoms, then dispose the condoms before eating.

End of Millennial or first of Gen-Z, although I feel a lot more like Gen-Z.

To all the fucking Biden shitlibs:

Do not complain to me when I do not like what you offer – what you offer is the shit of the Earth, and your party being one of capitalism doesn’t care for the Earth either.

Amazon Fire Tablet 7in. I bought it literally just to read PDFs, and it was so slow that it was basically unusable. I tried switching out the launcher to something more minimal (Niagara launcher I think), and I figured out how to disable the ads that were all over the place. It helped a bit, but not enough to overcome the hardware and Fire OS. (I think I needed ADB for both of those fixes; I had to put in some real work to unfuck that tablet.) Plus the screen was too small for my pathetic human eyeballs.

Was it worth $30? At the time, yeah, because I literally couldn’t afford anything else, but I now have an $80 10in generic Android tablet that’s wildly faster.

What an incredibly helpful and useful organization making an incredibly helpful and useful decision for us. (/s obviously)

But if you really want to play the game at the highest level, America is the place to do it.

I mean if “the game” is having the largest prison population per capita then sure, but otherwise America is mid in almost every category.

America sucks. The government and the “America” it upholds is an institution of evil, a factory for global war and oppression all while insultingly calling itself “land of the free”, and anyone who latches onto its historical “achievements” probably sucks too.

What is your credit card number and all the information needed to use it?

/c/DSP. Digital signal processing, i.e. how to transform, filter, and live with digital signals (e.g. audio files, image files, video files, sensor measurements, etc.). It involves a lot of math, so unless we get R*ddit-like numbers I don’t really know how such a community could keep moving.

The exam is tomorrow (today is another)

Ouch. Been there. Good luck on your exams!

Sounds like fun! I’m going to bed soonish but I’m willing to answer questions about multivariable calculus probably when I wake up.

When I took multivariable calculus, the two books that really helped me “get the picture” were Multivariable Calculus with Linear Algebra and Series by Trench and Kolman, and Calculus of Vector Functions by Williamson, Crowell, and Trotter. Both are on LibGen and both are cheap because they’re old books. But their real strength lies in the fact that both books start with basic matrix algebra, and the interplay between calculus and linear algebra is stressed throughout, unlike a lot of the books I looked at (and frankly the class I took) which tried to hide the underlying linear algebra.

I’m autistic too and I had to relearn math as an adult. Now I know calculus and advanced mathematics.

I can go find some book recommendations, but when I was first learning I really got a lot out of watching The Organic Chemistry Tutor.

Linear algebra (ex: multiply the matrices A and B), multivariable calculus (example: find ∇F with F=[xy,yz,xz]^T ), or actual “multidimensional analysis” (example: define the norm of [1m,1m/s,1m/s^2 ] in a way that makes sense)? I can help with all three.

Gross

I have a “unique” accent of some kind. Basically, I don’t sound like I’m from “around here”, even though I have lived in the same area for my entire life and so have my parents. Probably because I read a lot more than I actually talk to people.

If that happens then I swear to fucking God I’m done with YouTube forever.

Edit: i.e. if it breaks FreeTube, Invidious, Sponsorblock, etc. (because I’m already done with the main site forever) then I’m out. If the choice is between content vs no ads, I’ll take no ads even if it means no content.

Going to bars. I can’t drink with my medications and I don’t like going to loud, social places unless there’s some other reason to be there.

Desperately needs more upvotes

DSP (digital signal processing) is the field of applied mathematics and engineering dedicated to transforming and manipulating digital signals.

Examples of real digital signals include audio files, image files, video files, and digitized recordings of various physical quantities by computers like the configuration of a robot as it moves in time, measurements of the processes in a factory, the trajectory of a spacecraft — almost anything that can be periodically sampled and take on a finite set of values [1] can be seen as a digital signal.

DSP includes using tools like the Discrete Fourier Transform (DFT), the Z-transform, wavelet analysis, probability, statistics, and linear algebra to do things such as filter a signal (example: audio equalizer), predict future values (example: weather forecasting), data compression (example: JPEGs), system identification (example: fit a model of the earth to predict seismic activity), control (example: make a DC motor to respond to position commands), and stabilization (example: keep plane from “wanting” to smash into the ground). Particularly, it requires a careful consideration of the effect of sampling a signal (example: if done carelessly, you can make the sampled system unstable [read: explode]), as well as an interpolation process of some kind if you plan on using that signal outside your computer (example: you want to hear an audio signal stored on your computer).

I got into DSP because I was an audio engineer and musician [2], and I wanted to design my own audio plugins. IMO I think almost everyone would benefit from some knowledge of DSP, but the math is really intense. Personally, I found out late in life that I have a nearly infinite appetite for math, so it’s a good fit for me.

Here’s a playlist about DSP if you’re interested.

[1] Actually, a lot of basic DSP books don’t restrict the signal to be in a finite set because it makes the math easier if the signal could be any real number. However, certain structures that would be exactly equivalent in theory are not equivalent on a real computer because ordinary computer arithmetic is approximate.

[2] I still play music, but not as much as before engineering school.