{"version":"https://jsonfeed.org/version/1.1","title":"苏迟但到的主页","home_page_url":"https://kexohproject.pages.dev","feed_url":"https://kexohproject.pages.dev/json/","description":"<p>你好，欢迎访问个人主页！</p><p>擅长密码学，安全分析，数字水印等技术。</p><p>你可以联系我通过:findmykexin@gmail.com或者知乎私信。</p><p>我的知乎链接：<a href=\"https://www.zhihu.com/people/su-chi-dan-dao\" rel=\"noopener noreferrer\" target=\"_blank\">苏迟但到 - 知乎 (zhihu.com)</a></p><p>我的github链接：<a href=\"https://github.com/kexinoh\" rel=\"noopener noreferrer\" target=\"_blank\">kexinoh</a></p>","icon":"https://kexohcdn.gptapi.cyou/kexohproject/production/images/channel-2e54d141ee195646ca12a9d16507a908.jpg","favicon":"https://kexohcdn.gptapi.cyou/kexohproject/production/images/favicon-340a2925d02a0386f3b954a032834917.jpg","authors":[{"name":"苏迟但到"}],"language":"zh-cn","items":[{"id":"IDcYLN7etUn","title":"为什么大多数情况下，在团队中一个人休息了，其他人也会跟着休息？","content_html":"<p data-pid=\"cMz84rvF\">如果我们用博弈论的视角来看待的话，我们或许可以找到一点答案。</p><p data-pid=\"OLB9nLmo\">先来定义并简化一下你所说的场景，假设有A,B两个人共同投资一件事。</p><p data-pid=\"Q34SGYWp\">假如A,B均投资100w,那么90%每一个人收获200w，10%收获0。</p><p data-pid=\"ep7lSHGv\">只有其中一个人投资200w,90%每一个人收获200w，10%收获0。</p><p data-pid=\"Ku18VIic\">只有其中一个人投资100w，每一个人收获0w.</p><p data-pid=\"wA7IFz6G\">均不投资，每一个人收获0w。</p><p data-pid=\"RSW-BinX\">现在来计算一下期望收益率</p><p data-pid=\"6y21T6sD\"><img src=\"https://www.zhihu.com/equation?tex=E%28A%29%3D200%2A0.9%2F100-1%3D0.8\" alt=\"E(A)=200*0.9/100-1=0.8\" eeimg=\"1\"/> </p><p data-pid=\"kFM3azap\"><img src=\"https://www.zhihu.com/equation?tex=E%28B1%29%3D200%2A0.9%2F200-1%3D-0.1%2CE%28B2%29%3D%5Cinfty\" alt=\"E(B1)=200*0.9/200-1=-0.1,E(B2)=\\infty\" eeimg=\"1\"/> </p><p data-pid=\"LlIzk7Pm\"><img src=\"https://www.zhihu.com/equation?tex=E%28C1%29%3D-1%2CE%28C2%29%3D0\" alt=\"E(C1)=-1,E(C2)=0\" eeimg=\"1\"/> </p><p data-pid=\"TIPNvXZR\"><img src=\"https://www.zhihu.com/equation?tex=E%28D%29%3D0\" alt=\"E(D)=0\" eeimg=\"1\"/> </p><p data-pid=\"5xaH5WVs\">请问其中收益率最高的是那个角色？</p><p data-pid=\"-t40iR-d\">B方案里面的不投资的人.</p><p data-pid=\"XmqqpT2p\">当你队友已经选择这个状态的前提下，你只有三个选择B投资200w,或者C投资100w，或者D不投资。你该选择哪个？</p><p data-pid=\"I7CbiPOy\">显然是选择D方案，不再继续投资，这个时候你的期望收益率虽然是0，但是也是最高的了。</p><p></p>","content_text":"如果我们用博弈论的视角来看待的话，我们或许可以找到一点答案。\n\n先来定义并简化一下你所说的场景，假设有A,B两个人共同投资一件事。\n\n假如A,B均投资100w,那么90%每一个人收获200w，10%收获0。\n\n只有其中一个人投资200w,90%每一个人收获200w，10%收获0。\n\n只有其中一个人投资100w，每一个人收获0w.\n\n均不投资，每一个人收获0w。\n\n现在来计算一下期望收益率\n\nE(A)=200*0.9/100-1=0.8\n[https://www.zhihu.com/equation?tex=E%28A%29%3D200%2A0.9%2F100-1%3D0.8]\n\nE(B1)=200*0.9/200-1=-0.1,E(B2)=\\infty\n[https://www.zhihu.com/equation?tex=E%28B1%29%3D200%2A0.9%2F200-1%3D-0.1%2CE%28B2%29%3D%5Cinfty]\n\nE(C1)=-1,E(C2)=0\n[https://www.zhihu.com/equation?tex=E%28C1%29%3D-1%2CE%28C2%29%3D0]\n\nE(D)=0 [https://www.zhihu.com/equation?tex=E%28D%29%3D0]\n\n请问其中收益率最高的是那个角色？\n\nB方案里面的不投资的人.\n\n当你队友已经选择这个状态的前提下，你只有三个选择B投资200w,或者C投资100w，或者D不投资。你该选择哪个？\n\n显然是选择D方案，不再继续投资，这个时候你的期望收益率虽然是0，但是也是最高的了。\n\n","date_published":"2021-07-16T01:16:01.000Z","_microfeed":{"web_url":"https://kexohproject.pages.dev/i/为什么大多数情况下-在团队中一个人休息了-其他人也会跟着休息-IDcYLN7etUn/","json_url":"https://kexohproject.pages.dev/i/IDcYLN7etUn/json/","rss_url":"https://kexohproject.pages.dev/i/IDcYLN7etUn/rss/","guid":"IDcYLN7etUn","status":"published","itunes:title":"New Article Title for iTunes","date_published_short":"Thu Jul 15 2021","date_published_ms":1626398161000}}],"_microfeed":{"microfeed_version":"0.1.2","base_url":"https://kexohproject.pages.dev","categories":[{"name":"Education","categories":[{"name":"Language Learning"}]},{"name":"Technology"}],"subscribe_methods":[{"name":"RSS","type":"rss","url":"https://kexohproject.pages.dev/rss/","image":"https://kexohproject.pages.dev/assets/brands/subscribe/rss.png","enabled":true,"editable":false,"id":"4KlfbtkEfzy"},{"name":"JSON","type":"json","url":"https://kexohproject.pages.dev/json/","image":"https://kexohproject.pages.dev/assets/brands/subscribe/json.png","enabled":true,"editable":false,"id":"DVFm7TYiNSq"}],"description_text":"你好，欢迎访问个人主页！\n\n擅长密码学，安全分析，数字水印等技术。\n\n你可以联系我通过:findmykexin@gmail.com或者知乎私信。\n\n我的知乎链接：苏迟但到 - 知乎 (zhihu.com)\n\n我的github链接：kexinoh","copyright":"©2024","itunes:type":"episodic","items_sort_order":"newest_first"}}