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Tag Archives: reverse

How to reverse or restore the order of my cells in Wolfram Mathematica Cloud?

November 27, 2020   BI News and Info

 How to reverse or restore the order of my cells in Wolfram Mathematica Cloud?

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How to reverse the axes in the following way?

June 2, 2020   BI News and Info

Could you please tell me whether (and how) it is possible to make the redesign of the x axis in the plot? I have not found the relevant information in the documentation.

UGtkx How to reverse the axes in the following way?

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Google AI researchers want to teach robots tasks through self-supervised reverse engineering

May 26, 2020   Big Data

A preprint paper published by Stanford University and Google researchers proposes an AI technique that predicts how goals were achieved, effectively learning to reverse-engineer tasks. They say it enables autonomous agents to learn through self-supervision, which some experts believe is a critical step toward truly intelligent systems.

Learning general policies for complex tasks often requires dealing with unfamiliar objects and scenes, and many methods rely on forms of supervision like expert demonstrations. But these entail significant tuning; demonstrations, for example, must be completed by experts many times over and recorded by special infrastructure.

That’s unlike the researchers’ proposed approach — time reversal as self-supervision (TRASS) — which predicts “reversed trajectories” to create sources of supervision that lead to a goal or goals. A home robot could leverage it to learn tasks like turning on a computer, turning a knob, or opening a drawer, or chores like setting a dining table, making a bed, and cleaning a room.

“Most manipulation tasks that one would want to solve require some understanding of objects and how they interact. However understanding object relationships in a task-specific context is non-trivial,” explain the coauthors. “Consider the task [making a bed.] Starting from a made bed, random perturbations to the bed can crumple the blanket, which when reversed provides supervision on how to flatten and spread the blanket. Similarly, randomly perturbing objects in a clean [or] organized room will distribute the objects around the room. These trajectories reversed will show objects being placed back to their correct positions, strong supervision for room cleaning.”

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 Google AI researchers want to teach robots tasks through self supervised reverse engineering

TRASS works by collecting data given a set of goal states, applying random forces to disrupt the scene, and carefully recording each of the subsequent states. A TRASS-driven agent explores outwardly using no expert knowledge, collecting a trajectory that when reversed can be used by the agent to learn to return to the goal states. In this way, TRASS essentially trains to predict the trajectories in reverse so that the trained model can take the current state as input, providing supervision toward the goal in the form of a guiding trajectory of frames (but not actions).

At test time, a TRASS-driven agent’s objective is to reach some state in a scene that satisfies certain specified goal conditions. At every step the trajectory is recomputed to produce a high-level guiding trajectory, and the guiding trajectory decouples high-level planning and low-level control such that it can be used as indirect supervision to produce a policy via model and model-free techniques.

In experiments, the researchers applied TRASS to the problem fo configuring physical Tetris-like blocks. With a real-world robot — the Kuka IIWA — and a TRASS vision model trained in simulation and then transferred to the robot, they found that TRASS successfully paired blocks it’d seen during training 75% of the time and blocks it hadn’t seen 50% of the time over the course of 20 trials each.

TRASS has limitations in that it can’t be applied in cases where object deformations are irreversible, for example (think cracking an egg, mixing two ingredients, or welding two parts together). But the researchers believe it can be extended by using exploration methods driven by state novelty, among other things.

“[O]ur method … is able to predict unknown goal states and the trajectory to reach them,” they write. “This method used with visual model predictive control is capable of assembling Tetris-style blocks with a physical robot using only visual inputs, while using no demonstrations or explicit supervision.”

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Reverse color of overlapping points?

November 10, 2019   BI News and Info
 Reverse color of overlapping points?

Is there a simple way to change the color of the region where two Points operlap?
For example in Graphics[{PointSize[2], Point[{1, 1}], Point[{0, 0}]}], the resulting two points have an area where they overlap (their union). I am looking for a simple way to make that area White, for example.

The reason I am asking is that I have a list of data points, some of which overlap. I want to show the data in a graph but I want the reader to be easily able to realize that two neighboring and overlapping points are separate. That is why I am looking for an easy way to reverse the color of their union. Points that overlap perfectly, I treat separately, by making a circle around the first point.

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Reverse muffins

October 18, 2019   Humor

Posted by Krisgo

 Reverse muffins

Thanks Jon

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About Krisgo

I’m a mom, that has worn many different hats in this life; from scout leader, camp craft teacher, parents group president, colorguard coach, member of the community band, stay-at-home-mom to full time worker, I’ve done it all– almost! I still love learning new things, especially creating and cooking. Most of all I love to laugh! Thanks for visiting – come back soon icon smile Reverse muffins


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Reverse Mentoring: 3 Simple Steps That Will Transform Your Mentoring Program

July 27, 2015   BI News and Info

272513 l srgb s gl 300x200 Reverse Mentoring: 3 Simple Steps That Will Transform Your Mentoring ProgramWho was your first mentor?

This shouldn’t be a hard question. For most of us, it’s our parents. Did they impart wisdom and life experiences, guiding you through those awkward years of adolescence? Absolutely!

But guess what – you were their mentor too. Perhaps you taught them how to use a computer, send a tweet, or maybe even control a drone.

With this in mind, it’s easy to question why mentoring is a one-way street in the corporate world, with senior executives mentoring young employees. Can’t it go the other way too?

How to turn mentoring into a dynamic, bi-directional relationship

Mr. Manager gives a life talk, and Ms. Millennial receives the lay of the land regarding work at the company. Ms. Millennial smiles and nods, throwing in a few “yup, got it”’s while absorbing only 25% of everything.The conversation ends with the two shaking hands and Ms. Millennial going back to her cubicle.

Repeat every other week at 10:30 AM.

Though this is a somewhat simplistic representation of mentoring in today’s workplace, the same scenario plays out in many offices across the globe. Traditional mentoring is an entirely one-sided relationship. It is effective to a degree, as older managers do have more industry experience to pass down. However, it also allows the concept of superiority to enter. Many – though not all – mentors believe that they do not have anything to learn from a “lowly” employee. They create an “us versus them” mentality, driving a wedge between older and younger generations in the organization.

One way to fix this problem is through the implementation of reverse mentoring. Developed by Jack Welch when he was chief executive of General Electric, this concept relies on younger employees teaching their workplace superiors new technology, such as effective content promotion on social media. With the current influx of Millennials in the workplace, organizations need to candidly discuss how Millennials can get the help and development opportunities they need while also offering their own advice in return.

Interested in a new approach to mentoring? Here are three steps that can help you get underway:

1. Cultivate an inclusive culture

A sense of belonging and worth are paramount to maintain high levels of employee engagement and retention, as discussed by my earlier blog on Uber and CMU. Companies whose employees believe their experiences and thoughts matter and impact the business develop a culture of serious trust and mutual respect. This is only furthered through reverse mentoring, in which Millennials are trusted to provide insights to the senior executive. Allowing younger employees to be mentors as well as mentees enables friendships to develop and ideas to be exchanged instead of pushing them down unwilling throats. Keep younger employees in the loop by asking them for their own opinions on problems. You will be surprised at the creativity, and more importantly, candor of some Millennials within your company.

2. Don’t eliminate “regular” mentoring

Though you may decide to have an intern teach you the inner workings of Tumblr and ways to effectively leverage the communities’ varied interests, it is important that communication remains two-sided. Mentoring should always involve conversation, and the best conversations are the ones that allow for equal contributions. For example, if the aforementioned employee wants to start a Reddit promotion plan after they gave you a tour of the site, you can then teach them how to work their way through the corporate web to get their plan approved.

Synthesizing the ideas and experiences of the two generations – rather than just one solely teaching the other – eventually builds bridges rather than silos. The role of the older mentor is to fine-tune ideas and promise of a younger mentee to better help the company grow. Concurrently, the younger mentor is tasked with teaching and helping the older mentee develop ways in which they can improve their skills. With this approach, younger employees are free to hone their ideas or be critiqued in a more sophisticated manner.

3. Keep it in perspective

It is always tough to tell a bright, energetic employee who has been developing an idea for a long time that the company can’t act out their plan. Reverse mentoring inevitably will deliver this experience when a younger employee, who may not be privy to strategic and political decisions in the company, proposes an idea that needs to be nipped. Do not let the persuasiveness of a single employee sway you into doing things that are against your own strategic subconscious. Though your interns may have some exquisite insight into the distribution of a particular product, their pitches may not showcase a full understanding of your social promotion strategies. Hopefully, you can take what they taught you about distribution and use it later on down the road.

Mentoring is all about putting more tools in someone else’s toolbox. Young or old, we all can benefit from some new ones. Parents, maybe listening to your kids is the best choice after all!

Want more tactics to strengthen your workforce? See How Empowering Employees Creates a More Engaged Workforce.

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Digitalist Magazine » future of business

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Nobody like reverse Centaur

June 30, 2015   Humor

Posted by Krisgo

 Nobody like reverse Centaur

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 Nobody like reverse Centaur

About Krisgo

I’m a mom, that has worn many different hats in this life; from scout leader, camp craft teacher, parents group president, colorguard coach, member of the community band, stay-at-home-mom to full time worker, I’ve done it all– almost! I still love learning new things, especially creating and cooking. Most of all I love to laugh! Thanks for visiting – come back soon icon smile Nobody like reverse Centaur

This entry passed through the Full-Text RSS service – if this is your content and you’re reading it on someone else’s site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers.

Deep Fried Bits

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