This is a transparent online protractor, you can easily measure the angle of any object around you, and it helps you measure angles in a picture, taking a picture and uploading it, then dragging the midpoint of the protractor to the vertex of the angle, our virtual protractor is very accurate, it can zoom in, zoom out, rotate and move position.

1Pc White 360 Degree Protractor Round Ruler Gauge Angular Drafting Tools Circle Protractor for School Education Office Classroom 6 Inch, Protractors, Writing and Correction Supplies

It is possible to measure right, acute and obtuse angles in degrees from 0° to 360° using the angle meter online. Being launched on a smartphone or tablet, the application uses the capabilities of the built-in accelerometer to determine the tilt of the device. So you can just rotate the mobile phone to measure the angle of inclination.

360 circle measuring tool, durable in use. Great for drawing, measure, engineering design, technical drawing. Suitable for school learning, also a great math tools for office & school supplies. Thick and durable protractors: this clear plastic protractor is thick enough, thus they are not easy to snap.

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2025年2月12日 · 在这个问题上，这帮强化学习工程师研发了一系列的算法（DQN，PPO等），并且也做出了不少代表成果（比如攻克 Atari game，训练了王者荣耀、dota、星际争霸等游戏AI击败顶尖人类玩家）。 这时你可能已经看出端倪了。 有两点比较奇怪： 一个是问题库Q，一个是状态转移函数。 问题库可以理解为初始的状态分布，那么大模型中的状态转移函数去哪里了呢。 一个是每个step的奖励函数，一个是每个episode的奖励函数。 当然后者你可以理解为是前者的一 …

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2024年8月14日 · 大体思想是用 Pair-wise 的 Preference Dataset 结合 Ranking Loss 训练一个 RM，然后用 PPO 算法结合此 RM 函数训练 SFT 后的 GPT 模型，实现模型对齐比如提升安全性，数学能力等等。 除了这个 RM 是用标注数据训练出来的 ProxyRM，以及加上了一个 KL penalty 约束策略距离外，和传统的 PPO 算法在流程上并没有什么太大区别。 但是这个 PPO 算法用到 LLM 上面后也引发了一些问题，其中最为麻烦的就是 PPO 算法需要同时加载4个大模型，并且 …

360 Degree Protractor Ruler by Plastic offers a 10cm circular protractor with a transparent blue finish. Perfect for school and office use. Folded design for easy storage.| Alibaba.com

2024年12月29日 · Type: 360 Degree Protractor Ruler. 1 360 Degree Protractor Ruler. Swing arm provides straight-edge guide for drawing angles. Transparent plastic for Precision. Material: Plastic. Suitable for school learning, also a great maths tools for office and school spplies.