gugagore

16 ms·

181.
by gugagore 5y ago
While it may be irrelevant to how we address this current pandemic, whether covid came from a lab leak holds relevance because of the possibility of future lab leaks.
182.
by gugagore 5y ago
Oops, sorry: https://www.youtube.com/watch?v=ap29SzDAzP0
183.
by gugagore 5y ago
Here is a short (5 min) video explaining E-Graphs: https://www.youtube.com/watch?v=ap29SzDAzP There is also a longer (30 min) video that goes into details. I recommend watching them! Also consider this blogpost: https:&#x2
184.
by gugagore 5y ago
I don't know why the Wikipedia article says otherwise, but 0 poses no problem for the integers to be a monoid under multiplication. Right? You just need an identity and associativity, not inverses.
185.
by gugagore 5y ago
So what does one do in professional apps? Make sure all the shaders are compiled ahead of time? How does that help?
186.
by gugagore 5y ago
The website appears to be having trouble. Here is a description This wiki is intended to help identify radio signals through example sounds and waterfall images. Most signals are received and recorded using a software defined radio such
187.
by gugagore 5y ago
Yeah, I understand. I just wanted to show that one can understand the exact nature of the approximation in 2D geometry. I think it's useful to think of it as a separate category of "wrong" than -ffast-math, which is "wro
188.
by gugagore 5y ago
You can see what's wrong with that approach by considering the difference between traveling at constant speed along the arc of a circle versus traveling at constant speed along a chord, and projecting the point (out from the center) on
189.
by gugagore 5y ago
I ultimately agree with not going down the rabbit hole, but I don't agree with the hopelessness. I wish I could counter the claim that "there is absolutely nothing any of us can do about it" with some specific actions. I hope
190.
by gugagore 5y ago
Persistent data structures are, in my opinion, underrated. Not so much for every day programming tasks, but specifically for code that resembles planning/searching. Here is one library I've heard of https://immutable-js
191.
by gugagore 5y ago
There are probably many ways to formulate the same geometric constraint. For example, what parameterization of rotations do you use? I think the choice has implications for how easy it is to solve the equations.
192.
by gugagore 5y ago
But it still sounds like you're saying the Kalman filter updates the state covariance matrix based on the measurement, which I'm taking to mean the nominal value of a measurement.
193.
by gugagore 5y ago
No, this is a common misunderstanding. If you have two noisy measurements of the same quantity, and you combine them, you take a weighted average of the two measurements to get a mean, but the variance of your estimate depends only on the v
194.
by gugagore 5y ago
Those are called unscented Kalman filters, because they don’t stink…
195.
by gugagore 5y ago
> that has similar properties. You should be specific about what properties you're talking about. What you're saying is that any function increasing function grows faster than some exponential function on a finite interval. St
196.
by gugagore 5y ago
That is an astute connection. The "recursive" part is that you do not need to keep all the history of observations and actions (often denoted y and u. in control theory). You can summarize the past with sufficient statistics (the
197.
by gugagore 5y ago
> Is your conjecture that Newton's method would always work at least as well as gradient descent when the vector field has nonzero rotation? > You could easily come up with examples where gradient descent would work better despi
198.
by gugagore 5y ago
I think a concrete example of what you're saying is that a rotation vector field (e.g. F(x,y) = [y, -x]) is not the gradient of any potential function. And I think you're saying it's intrinsically easier to find where a vecto
199.
by gugagore 5y ago
It's great that you clarified the root-finding / minimization perspectives. Shouldn't your update equations be written in terms of F, not f? (Alternatively, write f'(x_k) / f''(x_k).) To minimize f, find z
200.
by gugagore 5y ago
Are you talking about a situation where the R value approaches 1 from above? e.g. R(t) = 1 + 1/t? Because otherwise the growth is indeed exponential, yeah?
201.
by gugagore 5y ago
It's not due to effort that is specific to a single module. It reflects an improvement in the community's understanding of what patterns causes slow compile times and also tooling that helps improve compile times by reducing metho
202.
by gugagore 5y ago
Everything in moderation. Just because you feel an emotion doesn't mean you blurt it out to someone in your vicinity. I'm interested in what even is the name of the emotion underlying "that idea is stupid". Is it surpris
203.
by gugagore 5y ago
Hurt feelings aside, sometimes a naysayer misunderstands, and a quick dismissal of an idea misses out on some good ideas, and some bad ideas that are still worth dissecting to figure out the reason they are bad. Why not: tzs: we should try
204.
by gugagore 5y ago
>(literally, here Xerox and photocopier is same thing). In case it was missed, the word for "photocopy" is "xerox" (like often "kleenex" is the word for "tissue").
205.
by gugagore 5y ago
I'd like three water bottles. I'd like three waters. I'd like three Lego bricks. I'd like three Legos.
206.
by gugagore 5y ago
You might as well change programming, too, since it is a very operations-research-y term: . (Programming in this context does not refer to computer programming, but comes from the use of program by the United States military to refer to pro
207.
by gugagore 5y ago
That's only one part of the struggle that was mentioned. Even when using the migration feature, the comment reported it not working, and needing to manually transfer the backup file.
208.
by gugagore 5y ago
Avatars. Really. So what do I do to convey my facial expressions?
209.
by gugagore 5y ago
How am I going to have a video chat while I wear VR goggles covering half my face?
210.
by gugagore 5y ago
Check out another comment: https://news.ycombinator.com/item?id=29002748

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