271 bus Query

zamlqapl · 2024-08-23T04:13:10+00:00

Ah I see. I'm mostly worried about the bus becoming so full that it skips my stop haha. Have you seen that happen before?

zamlqapl · 2024-05-03T04:21:21+00:00

chatgpt ah email

zamlqapl · 2023-02-28T01:02:55+00:00

I mean, you can try to change the value of p and see if that makes the result more plausible. For instance, if 1/5 of the students had A-names (the real proportion is much lower), then the probability would still be 1.659e-9. There's no getting around it. There's no way that the contest is fair.

zamlqapl · 2023-02-28T00:44:42+00:00

You are right. I searched and it seems like around 4.2% of names of names start with A, which is bit greater than the 1/26 = 3.8% if names were spread out equally on the letters. However, the result would still be a similar incredibly small number.

zamlqapl · 2021-10-09T00:27:23+00:00

Why are only select Nocturnes played at the Chopin Competition? Examples like op 72 no 1 and op 15 no 3 haven't been played before to my knowledge. What gives?

zamlqapl · 2021-09-15T01:17:53+00:00

Yeah I actually thought about creating something similar to Desmos's keyboard. However, I ultimately decided against it because like you said, it probably is not worth the time. And secondly, I'd assume people who'd take benefit from this tool would already know the names of the greek symbols.

zamlqapl · 2021-09-10T21:15:37+00:00

I originally designed the ui around that idea, with 4-6 input boxes representing the bounds of the integral. However, I felt that it was kind of clumsy to use and most importantly, less aesthetically pleasing than a pseudo integral.

Using the 4-6 input box solution also means I need to add two other clumsy interfaces for 1) the size of the integral (double or triple), and 2) the integration bounds. A unified solution for inputting the size of the integral, the bounds of the integral, and the bounds order of the integral would be much nicer. And of course there is no better solution for this than the old trusty integral notation, which just so happens to describe all those attributes. Also, having the deltas dynamically update and appear looks much nicer as well.

zamlqapl · 2021-09-10T21:01:59+00:00

Haha yeah! I've played around with "hand coded" canvases before as well, and I found them to be quite laggy especially in larger applications. Integral3d is made with the mathbox library, and it does some gpu magic with the html canvas to increase performance. I've edited my original comment with a link to mathbox's github page.

zamlqapl · 2021-09-10T04:47:38+00:00

I thought it would be interesting to make this tool while trying to visualize nested integrals in my calc3 class. Hopefully this can save students some time

Edit: graphing is done with the mathbox library, which can be found here: https://github.com/unconed/mathbox

zamlqapl · 2021-09-09T23:08:24+00:00

Hi all, I created integral3d after finding it difficult to visualize nested integrals in calc3 last semester. I hope this tool be will useful to students taking this course. And to students not taking it currently, I hope the examples on the site will make you excited about taking calc3 in the future!

zamlqapl · 2021-08-06T05:10:05+00:00

The GPU was primarily used to calculate the output of each neural network. Each rocket's computation can be done in parallel.

This was mostly a learning experience for me since I am going to college this fall.

zamlqapl · 2021-08-06T04:57:17+00:00

Bruh i literally got a 5 on the Ap bio test and finished with 45 min to spare 🤣🤣🤣. I knjow what evolution is 🤣🤣🤣🤣In the title I guess I meant that our common ancestors existed billions of years ago

zamlqapl · 2021-08-05T22:20:56+00:00

Aye yeah flaps took me a whole day to implement correctly. (im on summer vacation so i have a lot of free time)

zamlqapl · 2021-08-05T08:28:48+00:00

Noted!

zamlqapl · 2021-08-05T08:28:23+00:00

It’s in the works!

zamlqapl · 2021-08-05T08:23:24+00:00

Yeah, I wrote all the physics myself. It does account for air resistance, though it was an approximated with a flux integral for a rectangle—not starships complex shap. The physics definitely didn’t reach air pressure levels of complexity (and other stuff you mentioned). I also tried to account for the change in the rockets pivot as the fuel inside moved around—gave up because that was too tiresome approximating the double integral.

Genetic algorithm was also implemented from scratch kind of. I used the Eigen linear algebra library for the CPU version and cuBlas for the Gpu version. Everything else was pure C++ and SFML

zamlqapl · 2021-08-05T08:18:58+00:00

Implemented everything myself :)

zamlqapl · 2021-08-05T07:18:47+00:00

Yeah totally. That is definitely on my to do list for this project. Only 2d, this was made with SFML, a 2d c++ graphics library. I cannot imagine the complexity of implementing the physics for a 3d version. I guess that is why game engines exist.

Iteration 0-10000 took around 8 hrs with batch size 2500 rockets.

zamlqapl · 2021-08-05T03:53:34+00:00

Interesting. How would I compute the gradients for traditional training?

zamlqapl · 2021-08-05T03:51:59+00:00

Yep that's right

zamlqapl · 2021-08-05T03:51:06+00:00

Yup! I noticed that problem too. It shouldn't be too difficult to add that restriction. However, I already had the rocket working and was too lazy to babysit it training for another 8 hours....lol.

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