{
  "id": 394542,
  "title": "tf.mat.atan2 not supported in tf life runtime 2.9.1",
  "url": "/competitions/asl-signs/discussion/394542",
  "author_name": "",
  "post_date": "2023-03-13T21:54:36.729670300Z",
  "votes": null,
  "comment_count": 4,
  "views": 0,
  "content": "<p>tf.mat.atan2 not supported in tf life runtime 2.9.1, what is the alternative for that?</p>",
  "messages": [
    {
      "id": "2180514",
      "postDate": "03/13/2023 21:54:36",
      "content": "<p>tf.mat.atan2 not supported in tf life runtime 2.9.1, what is the alternative for that?</p>",
      "rawMarkdown": "tf.mat.atan2 not supported in tf life runtime 2.9.1, what is the alternative for that?",
      "votes": null
    },
    {
      "id": "2180805",
      "postDate": "03/14/2023 05:32:49",
      "content": "<p>If you want to get angle (or degree) between two vectors, maybe taylor series expansion of inverse cosine function would work.</p>\n<pre><code>1. calculate the cosine of the angle between vectors\n2. get angle in radians using the taylor series version of acos.\n3. angle to degree\n</code></pre>",
      "rawMarkdown": "If you want to get angle (or degree) between two vectors, maybe taylor series expansion of inverse cosine function would work.\n\n```\n1. calculate the cosine of the angle between vectors\n2. get angle in radians using the taylor series version of acos.\n3. angle to degree\n```",
      "votes": null
    },
    {
      "id": "2180832",
      "postDate": "03/14/2023 05:55:10",
      "content": "<p>lookup table or learn a mlp to predict atan2</p>",
      "rawMarkdown": "lookup table or learn a mlp to predict atan2",
      "votes": null
    },
    {
      "id": "2180838",
      "postDate": "03/14/2023 05:57:58",
      "content": "<p>Fast and Accurate Approximation Methods for Trigonometric and Arctangent Calculations for Low-Performance Computers<br>\n<a href=\"https://www.mdpi.com/2079-9292/11/15/2285\" target=\"_blank\">https://www.mdpi.com/2079-9292/11/15/2285</a></p>",
      "rawMarkdown": "Fast and Accurate Approximation Methods for Trigonometric and Arctangent Calculations for Low-Performance Computers\nhttps://www.mdpi.com/2079-9292/11/15/2285",
      "votes": null
    },
    {
      "id": "2180850",
      "postDate": "03/14/2023 06:04:36",
      "content": "<p>oh thanks for the resource!</p>",
      "rawMarkdown": "oh thanks for the resource!",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 2180805,
      "author_name": "kozistr",
      "author_url": "",
      "post_date": "03/14/2023 05:32:49",
      "content": "<p>If you want to get angle (or degree) between two vectors, maybe taylor series expansion of inverse cosine function would work.</p>\n<pre><code>1. calculate the cosine of the angle between vectors\n2. get angle in radians using the taylor series version of acos.\n3. angle to degree\n</code></pre>",
      "votes": null,
      "replies": [
        {
          "id": 2180838,
          "author_name": "hengck23",
          "author_url": "",
          "post_date": "03/14/2023 05:57:58",
          "content": "<p>Fast and Accurate Approximation Methods for Trigonometric and Arctangent Calculations for Low-Performance Computers<br>\n<a href=\"https://www.mdpi.com/2079-9292/11/15/2285\" target=\"_blank\">https://www.mdpi.com/2079-9292/11/15/2285</a></p>",
          "votes": null,
          "replies": [
            {
              "id": 2180850,
              "author_name": "kozistr",
              "author_url": "",
              "post_date": "03/14/2023 06:04:36",
              "content": "<p>oh thanks for the resource!</p>",
              "votes": null,
              "replies": []
            }
          ]
        }
      ]
    },
    {
      "id": 2180832,
      "author_name": "hengck23",
      "author_url": "",
      "post_date": "03/14/2023 05:55:10",
      "content": "<p>lookup table or learn a mlp to predict atan2</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "2180514": "tf.mat.atan2 not supported in tf life runtime 2.9.1, what is the alternative for that?",
    "2180805": "If you want to get angle (or degree) between two vectors, maybe taylor series expansion of inverse cosine function would work.\n\n```\n1. calculate the cosine of the angle between vectors\n2. get angle in radians using the taylor series version of acos.\n3. angle to degree\n```",
    "2180832": "lookup table or learn a mlp to predict atan2",
    "2180838": "Fast and Accurate Approximation Methods for Trigonometric and Arctangent Calculations for Low-Performance Computers\nhttps://www.mdpi.com/2079-9292/11/15/2285",
    "2180850": "oh thanks for the resource!"
  },
  "source": "meta"
}