Do only non-convex functions have saddle points and local minimums?

2022.01.23 00:35 ottawalanguages Do only non-convex functions have saddle points and local minimums?

Informally, I have heard that the following are only possible in Non-Convex Functions:
Saddle Points
Local Minimums
My Question: Is this in fact true - Can we mathematically prove that Saddle Points and Local Minimums only possible in Non-Convex Functions?
Or is this in fact just a general statement that is not completely true - and although not true in general, but it is in fact technically possible for Convex Functions to have Local Minimums and Saddle Points?
Can someone please comment on this?
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2022.01.23 00:35 brthoughtmachine Looking to buy my first gaming laptop

Hi, I live in Canada and my budget is a max $1400 (probably around $1100 USD). I want to get the best gaming setup I can get with this budget. Any recommendations on machines?
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2022.01.23 00:35 AKbullyball47 Who are the best big men in the NBL as of now?

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2022.01.23 00:35 DinosaurManDude My favorite piece

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2022.01.23 00:35 Camadian- Fan header help

Fan header help I have 3 fan headers on my motherboard, but I am gonna need extra headers so I was looking at a fan splitter. The confusion starts with the number of pins. I have Corsair AF120 LED fans (no RGB.) The connection from the fan to the motherboard also uses 3 out of the 4 available pins. So do I buy a splitter with 4 pins, and only use 3 of them. Or do I buy a splitter with 3 pins and just use all 3?
This, I don't understand. I will only be able to use two pins in this right? Can I even connect a 3 pin fan to this? Or do I need to have a 4 pin? Should I have all 4 pins on a splitter and only use 3?
If anyone knows of any fan splitters they've never had any trouble with please, send it my way. Thank you!
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2022.01.23 00:35 GordonQuid2002 Today, GordonQuid2002 spotlights M. Night Shyamalan. I own 5 of his films on DVD. The Sixth Sense, Unbreakable, Signs, The Village and The Happening.

Today, GordonQuid2002 spotlights M. Night Shyamalan. I own 5 of his films on DVD. The Sixth Sense, Unbreakable, Signs, The Village and The Happening. submitted by GordonQuid2002 to dvdcollection [link] [comments]

2022.01.23 00:35 AngeloForLiberty And it all comes crumbling down

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2022.01.23 00:35 jaelwelch Binance Sg Referral

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2022.01.23 00:35 waveorangejuice 20% OFF GolfEtail Coupon & Promo Code

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2022.01.23 00:35 Cupofcoffeebeans Study with me (LIVE)
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2022.01.23 00:35 Justin-PL DJ Scale Ripper - Multiplanet Species [BEATS0085] (2021) FLAC

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2022.01.23 00:35 TheRantingSavant Gatorman 5E Tactics

Next installments - Gatorman tactics!

I'd do a gatorman warlock next but none of their warbeasts seem to be statted up for 5E yet ;(
submitted by TheRantingSavant to ikrpg [link] [comments]

2022.01.23 00:35 Common_Requirement29 I LOVE this design! Would this be considered grunge style? I think so but I'm not 100% LOL

I LOVE this design! Would this be considered grunge style? I think so but I'm not 100% LOL submitted by Common_Requirement29 to RedecorHomeDesignGame [link] [comments]

2022.01.23 00:35 SkylerSpark Whenever I try to use my airpods with windows 11, they seem to work randomly. They constantly out of the blue disconnect and stop working.

Ive been using my gen 2 airpods for a while now, and theyre great. They work really well on my phone and I dont really have any complaints about them.
There is only one problem I have... I cant seem to use them well on my computer.
Sometimes Ill turn on my computer, connect to the airpods, and theyll work just fine, they sound great, Ill listen for hours with no issues.
Then, out of the blue, theyll just disconnect. Ive checked the battery, Ive checked drivers.. Ive literally uninstalled every last bluetooth feature and started from scratch.
Ive disabled bluetooth on every device that uses my airpods just to be ABSOLUTELY sure it wasnt trying to connect to both... but nope..
I used to be able to get them to temporarily work by removing and re-pairing them, but now it seems to not work anymore... Whenever I pair and connect them, windows says its connected and playing audio, but the second I try to swap the audio device to the airpods, it loses connection again, and then it just repeated connects and disconnects.
NOTHING WORKS... I cant listen to my PC anymore because my normal speakers just stopped working recently (the main speaker turns on, but just doesnt output audio anymore, the secondary one sortof works, but sounds glitchy)
This is driving me up the wall and I dont have the patience to fiddle with it anymore
Ive shuffled through like 10 pages of answers on google, seen multiple reddit posts.. NOTHING WORKS... Im fucking sick and tired of this.. I just want to listen to music.
And no I dont have bad hardware... Im using a computer I built with high end hardware and a very good bluetooth receiver. (Ive emulated games and done frame-perfect operations on a dualshock 4 via bluetooth.. so theres no way in hell it cant handle a pair of earbuds...)
submitted by SkylerSpark to airpods [link] [comments]

2022.01.23 00:35 onomojo Why do water changes if your nitrates never get high enough to justify it?

I know everyone has their two cents when it comes to water changes but I'd like a more scientific explanation for why it's a good thing to do water changes if the nitrates are sustainability low. I've seen videos of people claiming never doing water changes for years and only topping off. Their tanks look healthy and amazing too. So what's the actual science on why water changes are necessary and how do you reconcile that with the never water change tanks out there?
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2022.01.23 00:35 grimace1973 My Poor Cat - Biggest Bird Watcher in the Family

My Poor Cat - Biggest Bird Watcher in the Family submitted by grimace1973 to birdwatching [link] [comments]

2022.01.23 00:35 BEEFDOCTOR Quick Tip 52: Per Object Manipulation

Quick Tip 52: Per Object Manipulation submitted by BEEFDOCTOR to Cinema4D [link] [comments]

2022.01.23 00:35 ShivamNotFound Still cool cool

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2022.01.23 00:35 Iam_a_honeybadger Force GHUB to allow Lua Scripts in-game. BET mods remove this post.

I spent all day building out an app to auto fix logitech's update that disables lua scripts.
This auto installer will do all the things described below, but in an automated fashion. I will provide the raw files for virus scanning.

This will:

- Backup your current scripts, profiles, and presets
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- Restore all settings and scripts


submitted by Iam_a_honeybadger to LogitechG [link] [comments]

2022.01.23 00:35 De_AoE3_League German AoE 3 League – Third Round

Hello guys! We are the team behind the German AoE 3 League, the biggest organised Age of Empires 3 DE League in the German-speaking area. This is the first time that we are posting something on here, so you might have absolutely no idea what we are talking about. But that is exactly what we want to change, as we are only days away from starting the third cycle of this great adventure. And we want to invite you to join us on this journey. But let’s get more precise. During the last two seasons, we had between 60 and 70 participants, including real legends like Ezad or LukasL. The different leagues (usually around 6, depending on the number of players) consist of up to 10 players each, and each week the players face one of their opponents for a set of two games. The result then contributes to an overall score, leading to a season-long fight for points. But this whole thing is of course not only about playing; we, personally, cast the most exiting games from the current week, trying to get live casts as regularly as possible to bring people together and watch the participants fight for their spot in the top 3 of their leagues.
And now for the big news: You can be one of them! We are still looking to get more people for this season, and if you want to be part of this great project that we built, here is what you got to do:
- You need 10 games in ranked 1v1 supremacy, so we can assess your ELO
- Since it is supposed to be a German League, we are only looking for participants from Germany, Austria, and Switzerland to ensure that communication and cooperation is on point
- You also need to join the German AoE Discord, as this is the main method of communication as well as the base for the biggest part of the community
- We also require you guys to read our rules at least once, so you actually know what you sign up for. Link is provided at the end of the post
If all those things apply to you, then you just have to follow the other link at the end to get to the application. The end of the recruitment phase is the 23.01.2022, so be quick!
But just as important as the people playing are the people watching and enjoying the games, so we also want to welcome you all to join the community discord server. Enjoy content from all skill levels, as well as live streams of people playing their league games. Hopefully, we could entice some of you to join this project, and we would be quite happy to welcome you as a part of our community, be it as a player or a viewer. Cheers guys!
Discord Link:
Application Form: (
League Rules:
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2022.01.23 00:35 CheckLow3236 Tip or talk

Hi, I am inviting you on behalf of Niki lemond. Come and join our group on Fambase! Click:
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2022.01.23 00:35 signsalight Would these spam my email and will i get my gems?

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2022.01.23 00:35 Stickguy589 Raiden vs. Raiden vs. Raiden

View Poll
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2022.01.23 00:35 Maleficent_Ad6918 Bfs toxic and crazy mother

I (19F) and my bf (19M) have been together for two years. For the first year and a half everything was running smoothly. I got along great with all of his family and I loved them all. My bf currently lives with his mother to help her pay bills and take care of his 7 year old little brother. His mother has a huge nicotine addiction but never smokes in her home or around the people in it, always in her car. Shes developed sensitive skin, so my bf is always watching what type of cologne and deodorant hes wearing and also does his laundry at my home to avoid his mom breaking out from his load of laundry. Well, I have a cat, my bf is somewhat allergic but not that bad and my cat stays in my basement because it just has no interest of coming up the steps into any other part of the house. One day he slipped up and told his mom I had a cat, his mom I do know is allergic as well so he makes sure he changes clothes before he goes into the home. But now she knows I have a cat, she has forbidden him to come over to my house. And more recently, shes thrown out some of his shampoos,his deodorants, and colognes. She also, no matter what, everyday he comes home from anywhere (could literally be a family members home) she bags all of his things. And I mean ALL of this things, she bags his wallet,keys,shoes, etc. Then, even though he takes care of a lot in the home, she wrote him a two page note talking about how he needs to get out and even though he makes a less wage than her it’s ok for him to leave because he’s a man and I guess higher morals in their family??? My bf is a college student and works full time. He barely has anytime to himself. And his mom has started calling me toxic and a liar and no good for her son, because she saw messages on HIS phone of me telling him that it would be better for him if he moved into an apartment that was up for rent near the school he’s attending. I told him he shouldn’t live his life in bags. But he doesn’t want to loose his brother if he leaves. What do I do with this… it’s really just getting me to the end of my rope.
submitted by Maleficent_Ad6918 to relationship_advice [link] [comments]

2022.01.23 00:35 Justin-PL Flipsilv3R, Cyp3R - Beats Showcase 15 [BEATSSC0015] (2021) FLAC

Flipsilv3R, Cyp3R - Beats Showcase 15 [BEATSSC0015] (2021) FLAC submitted by Justin-PL to flact [link] [comments]