A question about the L2 point

L2 regularization adds an L2 penalty equal to the square of the magnitude of coefficients. L2 will not yield sparse models and all coefficients are shrunk by the same factor (none are eliminated). Ridge regression and SVMs use this method. Elastic nets combine L1 & L2 methods, but do add a hyperparameter (see this paper by Zou and Hastie ... L2 is short-hand for the second Lagrange Point, a wonderful accident of gravity and orbital mechanics, and the perfect place to park the Webb telescope in space. There are five so-called "Lagrange Points" - areas where gravity from the sun and Earth balance the orbital motion of a satellite. Webb at L2. If Webb is orbiting the Sun further out than Earth, shouldn't it take more than a year to orbit the Sun? Normally yes, but the balance of the combined gravitational pull of the Sun and the Earth at the L2 point means that Webb will keep up with the Earth as it goes around the Sun. The L2 point of the Earth-Sun system was the home to the WMAP spacecraft, current home of Planck, and future home of the James Webb Space Telescope. L2 is ideal for astronomy because a spacecraft is close enough to readily communicate with Earth, can keep Sun, Earth and Moon behind the spacecraft for solar power and (with appropriate shielding ... In celestial mechanics, the Lagrange points / l ə ˈ ɡ r ɑː n dʒ / (also Lagrangian points, L-points, or libration points) are points near two large orbiting bodies. Normally, the two objects exert an unbalanced gravitational force at a point, altering the orbit of whatever is at that point. At the Lagrange points, the gravitational forces of the two large bodies and the centrifugal force ... Coralville Lake. The West Overlook Campground is located within the Dam Complex at the Coralville Lake Project. The Coralville Lake Project is a multiple use project providing primary benefits in flood control and low flow augmentation, and secondary benefits in recreation, fish and wildlife management and forest management. Standards.gov is your pathway to standards solutions. The NIST Standards Coordination Office provides tools, programs, services, and educational resources about documentary standards and conformity assessment. The L2 point is rapidly establishing itself as a pre-eminent location for advanced spaceprobes and ESA has a number of missions that will make use of this orbital 'sweet-spot' in the coming years. L2 will become home to ESA missions such as Herschel, Planck, Eddington, Gaia, the James Webb Space Telescope and Darwin. A halo orbit is a periodic, three-dimensional orbit near one of the L 1, L 2 or L 3 Lagrange points in the three-body problem of orbital mechanics.Although a Lagrange point is just a point in empty space, its peculiar characteristic is that it can be orbited by a Lissajous orbit or a halo orbit. These can be thought of as resulting from an interaction between the gravitational pull of the two ... For a given point, the other point lies in a circle such that the euclidean distance is fixed. The radius of the circle is the fixed euclidean distance. Euclidean distance in 2D space. In a 2 dimensional space, a point is represented as (x, y). Consider two points P1 and P2: P1: (X1, Y1) P2: (X2, Y2)

2021.12.08 13:39 Christofiel A question about the L2 point

I, like most of us here, am super excited for the James Webb telescope and everything it might discover. But in my reading about it I’ve had a question that so far I haven’t found an answer to: How much “space” is there at the LaGrange point where James Webb will be placed? I have at least a general understanding of what a LaGrange point is but I’m wondering how big the margin is between too close and too far. It seems like that location is going to end up being the place for a lot of different satellites, so is there any risk of running out of space there?
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2021.12.08 13:39 NuevoPeru Yesterday, Pan-America hit its 1-month anniversary and there's 5,000+ of us already! To celebrate this milestone, all of you upvote this coin from the Pan-American Exposition, a World's Fair held in Buffalo, New York in 1901. Let's take this to the frontpage of Reddit ! Let's go !

Yesterday, Pan-America hit its 1-month anniversary and there's 5,000+ of us already! To celebrate this milestone, all of you upvote this coin from the Pan-American Exposition, a World's Fair held in Buffalo, New York in 1901. Let's take this to the frontpage of Reddit ! Let's go ! submitted by NuevoPeru to PanAmerica [link] [comments]


2021.12.08 13:39 Torquai Benefits of upgrading to a proper NAS

As the title hopefully implies, I am considering upgrading to a Synology (most likely a DS420J, or DS920+ if necessary)
My homesetup currently consist of 4 raspberry pi's dedicated to running: Unifi, Plex, Torrent and Homeassistant
So this thing that started out as a small cute project has now grown and grown, and I feel too much of my time is now spent remoting into the raspberries to do maintenance and updates. Also lots of time on google trying to find all the weird linux commands to run (being a windows/c# person I have realized that I most likely never will understand linux properly.
Anyways. I am considering starting over with a Synology and run all this services in separate docker processes, but I also know that I am very much a 'ooohh shiny' kind of person and so I am trying to discern if a Synolog will actually solve some of issues I spend to much time on today, or if I will end up just buying a new toy that looks nice but still requires oh-so-much maintenance.
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2021.12.08 13:39 CortexAlpha Solo Kril advice?

Hello chaps and chapettes.
Want to solo the big red boi, I have 75kc solo already but I am a wiki-slave and I barely see anyone else in my gear.
I use Karils body and legs, with nezzy helm,bloody fury, barrows gloves, avernic, suffering (I), Prims and unholy blessing. Arclight for weapon, SGS for spec, praying melee protect the whole time. I do the walk under method and average 3-4 kills a trip.
Any zammy nerds out there who want to flex their BIS efficient method, please unleash your knowledge into this thread. The only thing I don't currently own that may be of use is an Ely and I have a dusty alt that could maybe be of use.
Thanks in advance
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2021.12.08 13:39 Quiet_Watercress_256 One of the big MG accounts on IG went silent since G’s birthday. Now she has removed the HBD post for G and removed MG from her handle. I think the lights are starting to come on now.

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2021.12.08 13:39 itownshend17 PLOT ARMOR, PLOT ARMOR INCOMING

PLOT ARMOR, PLOT ARMOR INCOMING submitted by itownshend17 to Kengan_Ashura [link] [comments]


2021.12.08 13:39 wbradleyjr1 Jacinda Ardern admits theres no end to vaccine programme.

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2021.12.08 13:39 mundumil NFT artist Jack Howell will airdrop his NFTs exclusively to Social Hive Silver & Bronze bee members of Polinate!

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2021.12.08 13:39 PM_ME_YOUR_WOES_GIRL Is it just me or is it almost impossible to progress in Ranked as a solo player?

Before you say anything: in theory I know just about everything you need to know to achieve results in ranked. I watch pro games every week and have scoured the internet for over a year for all kinds of sources to help me out. There probably isn't a Youtube video above 50k views I haven't watched.
Now, I am by no means a "pro player". There are many things I still need to learn but I'm not "bronze bad". I'm consistently the player with the least deaths and most xp soaked (in general biggest game impact) - but it doesn't matter. A bad team cannot be compensated by one person and more often than not, the 4 man (I play off-laner most of the time) chases kills instead of playing the map until they die.
I'm at my wit's end. I make progress with my micro and macro skills almost every week but I seem to get lower and lower in Ranked because I lose about 70% of my games.
How the hell do you ever get higher than silver alone? I didn't even touch on smurfs but but to me that problem is not as bad as teammates who won't cooperate at all during the draft or the game.
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2021.12.08 13:39 SLIMSH9DY what type of karma do you have more of?

i have a lot of comment karma
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2021.12.08 13:39 Isellthingsalot Boost for a boost? I’ll get you back ASAP. I always boost back

Can anyone in the Earnin Community help me boost my Max? 🙂 https://earnin.app.link/Xxfrnisv2fb
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2021.12.08 13:39 jamied99 Daily Cutie Convention! (Day 54)

Use this thread to post your favourite cute anime emotes/gifs/pictures! UwU
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2021.12.08 13:39 nippleflick1 Shoot

Shoot! I should gotten surgery a couple weeks ago! Put it off just make Thanksgiving and Christmas easier. 1/10/22 was my date - past tense. Yep got canceled, abundance of caution, no overnight stays at hospital.
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2021.12.08 13:39 Ndamico1225 Violent Lake Michigan waves crashing over pier – Holland MI

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2021.12.08 13:39 meltedcandy Booty

Booty submitted by meltedcandy to NatalieKing [link] [comments]


2021.12.08 13:39 ihavenolifeperiod Time is like dat

Time is like dat submitted by ihavenolifeperiod to meme [link] [comments]


2021.12.08 13:39 techsucker Meta AI Develops A Conversational Parser For On-Device Voice Assistants

A variety of devices such as computers, smart speakers, cellphones, etc., utilize conversational assistants for helping users with tasks ranging from calendar management to weather forecasting. These assistants employ semantic parsing to turn a user’s request into a structured form with intents and slots that may be executed later. However, to access larger models operating in the cloud, the request frequently needs to go off-device.
Complex semantic parsers use seq2seq modeling. Auto-regressive generation (token by token) has a latency that makes such models impractical for on-device modeling.
Facebook/Meta AI introduces a new model for on-device assistants and illustrates how to make larger server-side models less computationally expensive.
Quick Read: https://www.marktechpost.com/2021/12/08/meta-ai-develops-a-conversational-parser-for-on-device-voice-assistants/
Paper 1: https://arxiv.org/pdf/2104.04923.pdf
Paper 2: https://arxiv.org/pdf/2104.07275.pdf
Facebook Blog: https://ai.facebook.com/blog/building-a-conversational-parser-for-on-device-voice-assistants
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2021.12.08 13:39 Jimberson mgmt

mgmt submitted by Jimberson to mgmt [link] [comments]


2021.12.08 13:39 Renmul learning professional french and general practice

I’ve known french since I was a kid and have varied a lot in terms of fluency depending on how much I practice it. I’m starting a new job soon that will require a lot of french speaking with professional jargon, and I’m hoping to get suggestions on how/where to get help practicing my general french speaking to get rid of rust, and also resources to learn more professional terms. I can understand and keep up with professional french discussions fairly well, I just seem to have a mental block with finding the words in my own head! Pls help montreal
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2021.12.08 13:39 purpleflower90 Over-Protecting my baby?

Hello!! I have a question, I have an 8 month old baby and I am worried that I am overprotecting my baby of the virus and I am damaging his immune system by not exposing him to normal germs (I understand that some germs help boost immunity later in life “hygiene hypothesis”) and also not having social interactions on places with people and seeing and doing different things which could benefit him developmentally (I am not getting out as much because I live in Chicago and it is so cold right now and we don’t go to indoor places and we don’t meet with relatives because our family live in another country.) I don’t know if I should get him out more and now to indoor places like a grocery store, aquarium, museums, the amenity indoor space in our apartments, etc. I don’t know if the benefits outweighs the risks. What are you doing with your babies with this issue? Thanks!!
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2021.12.08 13:39 Ryzarony23 This is supposed to be medicine, NOT private-sector profiteering! Federal legalization and M4A are the only ethical solutions to ensure that this state-sanctioned extortion stops.

This is supposed to be medicine, NOT private-sector profiteering! Federal legalization and M4A are the only ethical solutions to ensure that this state-sanctioned extortion stops. submitted by Ryzarony23 to PaMedicalMarijuana [link] [comments]


2021.12.08 13:39 lemmelurkhoe Weird bumps on both sides of my neck? Anyone know with this could be?

Weird bumps on both sides of my neck? Anyone know with this could be? submitted by lemmelurkhoe to Skincare_Addiction [link] [comments]


2021.12.08 13:39 Jdendraws 1.22.1 A song i made about the love of my life.

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2021.12.08 13:39 ghebabbano This team Is good or not?

This team Is good or not? submitted by ghebabbano to DokkanBattleCommunity [link] [comments]


2021.12.08 13:39 piggymildmint Is this play fighting or bullying?

So I have 3 rats, and one of them tends to be asked to groom by the other two all the time. They will nudge themselves and when he refuses, they will pin him down. He yells in annoyance all day long (every 15-30 mins when he’s awake), tbh sometimes I’m not sure if he is happy because of the clinginess and entitlement of his brothers.
What made me worried the most: -he once bled (in his ear) due to the boys playing rough, it ended with him bumping into the ceramic food bowl. -The other time he had an injury in his head, couldn’t balance nor control his reflexes, and after weeks of medication he is back to normal. -Yesterday, a patch of his fur was gone, and it seemed like someone pulled his hair strand.
The boys have been very gentle to me, but I’m not sure if they bully their friend. Please let me know if I need to step in and do something.
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