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letlambda

166 karma · joined September 2, 2017

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letlambda··on Tesla Temporarily Stops Model 3 Production Line
I've never heard of a company paying non-salary employees during a plant shutdown. (In the US, things may be different in Europe for all I know)
letlambda··on Teenager facing prison for downloading unsecured files from government website
Isn't the assumption always that accessing a web page programmatically is allowed unless specifically asked not to in robots.txt?
letlambda··on How to Be a Systems Thinker
They aren't, we can easily extend the concept by using it as metaphor.
letlambda··on How to Be a Systems Thinker
It's a metaphor, metaphors aren't literally physical work implements.
letlambda··on How to Be a Systems Thinker
>I suspect that metaphors are the tools of cargo cults while analogies are the tools used by those that actually understand a system in order to convey it to those that do not.

Are the metaphors actual tools, or more like metaphorical tools?

letlambda··on OpenAI Charter
They're also the world leaders in automobile safety-defects.
letlambda··on Tesla crash victim had complained about auto-pilot in same location
If you have a probability vector, you would typically take the max, not model the action on the probability distribution.

e.g. If an image (from the forward camera) returns the probability vector: {"stop_sign": .9, "green_light": .1} You stop the car 10/10 times.

letlambda··on Arizona governor and Uber kept self-driving program secret, emails reveal
Just guidelines at this point.

https://www.nhtsa.gov/press-releases/us-dot-releases-new-aut...

letlambda··on The Rise of Dismal Science Fiction
Yeah, but he feels sort of bad about it... http://hieroglyph.asu.edu/book/hieroglyph

All the way to the bank.

letlambda··on SpaceX indicates it will manufacture the BFR rocket in Los Angeles
Check your orbital velocity at the surface. It's not 0. The direction you head does matter.
letlambda··on Preparing for Malicious Uses of AI
I haven't read the paper, but I think:

>undermine the ability of democracies to sustain truthful public debates.

Is coded language for exactly what you're talking about, in the same way that dictators is coded language for geopolitical enemies.

letlambda··on Preparing for Malicious Uses of AI
How is your concern different than what they are calling political security (~1/3 of the paper)?

>Political security. The use of AI to automate tasks involved in surveillance (e.g. analysing mass-collected data), persuasion (e.g. creating targeted propaganda), and deception (e.g. manipulating videos) may expand threats associated with privacy invasion and social manipulation. We also expect novel attacks that take advantage of an improved capacity to analyse human behaviors, moods, and beliefs on the basis of available data. These concerns are most significant in the context of authoritarian states, but may also undermine the ability of democracies to sustain truthful public debates.

letlambda··on Graphical linear algebra: from matrices to monoids
I think the major difference is this notation has the count of loose wires corresponding to dimension, and Penrose notation has the count of loose wires corresponding to tensor valence.

Here, a diagram with 1L and 2R wires corresponds to a 2d-vector, in Penrose's notation it would correspond to a (1,2) tensor that takes kd-vectors to kXk matrices.

But... they certainly have a similar feel. I wonder if you could build up the Penrose notation out of this.

letlambda··on Show HN: A Decentralized StatusPage on IPFS
There's not much point in trying to hide what your doing, if what your doing is holding a public vote.
letlambda··on Matrix Calculus for Deep Learning
>For functions of a single parameter, /partial operator/ is equivalent to /full derivative operator/ (for sufficiently smooth functions).

Are you pulling my leg here, or do I need to scrap my understanding of calculus?

If they exist, how could they not be equivalent?

letlambda··on American Illusions and Korean Realities: Preventing Conflict on Korean Peninsula
I concede the point, nuclear strikes on the US and Japan are reasonable responses.
letlambda··on American Illusions and Korean Realities: Preventing Conflict on Korean Peninsula
Conditional on a non-military action which had already taken place.
letlambda··on Principles of Chaos Engineering
> If I write a theory and take over an existing word in everyday use, it seems a bit much to accuse every one else of colloquialism when they use an existing but less strict definition?

It does, but engineering is a technical profession and it's practitioners are likely familiar with the mathematical concept.

I've read about applications of chaos theory in system design, and I expected 'Principals of Chaos Engineering' to be about that topic.

letlambda··on Intel: Meltdown, Spectre silicon fixes coming 2018; 3D XPoint RAM, not so much
I don't know the semi-conductor specifics... but it's a broad engineering concept.

Validation: Does the thing you designed actually do what it's supposed to do?

And the related concept,

Verification: Is the thing you build (and deliver) actually what you designed?

letlambda··on Watching a Ridge Slide in Slow Motion, a Town Braces for Disaster
Friends don't let friends use ambiguous date formats. https://xkcd.com/1179/
letlambda··on Trial of a blood test that detects eight common forms of cancer
That specificity implies one of these cancers apriori occurs in 5% of the tested population.

Is that about right taking into account pre-screening? We can identify a population that has a 5% chance of having one of these cancers?

letlambda··on “Deep Learning has outlived its usefulness as a buzz-phrase”
∇programming
letlambda··on The fifth hyperfactorial: 5⁵ × 4⁴ × 3³ × 2² × 1¹ milliseconds is exactly 1 day
Which leads to my favorite way to think about it. One foot per clock tick of a 1Ghz processor.
letlambda··on The Merge
My lawyer can drive himself, but it only works with BMWs.
letlambda··on Order pizza from Vim
Full featured command line tool: https://www.youtube.com/watch?v=J691aLfkWP0
letlambda··on Elon Musk: Falcon Heavy's first payload will be my Tesla Roadster to Mars
If they're planning on Mars orbit, and not a Mars flyby there's a propulsion system.

edit: Unless by Mars orbit, he means, a solar orbit similar to the orbit of Mars. Which actually probably is what he means. It's just the right blend of technically correct, but slightly misleading.

letlambda··on SpaceX raises another $100M
The Raptor engine(under development) is comparable to the BE-4.
letlambda··on Tesla Semi
>* What happens when a wheel seal goes? Do I have to remove all that ridiculous plastic on #2,3 axels??

Seeing as you still need to do a pre-trip inspection, I assume they swing out of the way pretty easily.

letlambda··on The Effect of Cold Showering on Health and Work: A Randomized Controlled Trial
In 40F water for 4-6 hours and you're looking at a severe case of death.
letlambda··on Electric Sheep on Ubuntu Linux 17.10
If you want to delve into PKD's... different thinking. A Scanner Darkly, and The Three Stigmata of Palmer Eldrich.

If you want another sci-fi detective noir, Altered Carbon fits the bill.

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