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知乎是一个中文互联网高质量问答社区和创作者聚集的原创内容平台，提供知识共享、互动交流和个人成长机会。

Create an account Tip: To use Gmail for your business, a Google Workspace account might be better for you than a personal Google Account. With Google Workspace, you get increased storage, professional …

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（2）如果电视机或投影仪是近几年购置的产品，一般都是可以安装第三方软件的，甚至有些会内置投屏软件。 这时候就不需要另外购买外置设备也能使用投屏功能。 无论选择哪种方式，只要根据厂商的 …

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其中 I 是单位矩阵。求逆矩阵通常可以通过以下几种方法： 1. 高斯-约当消元法 这是最常用的方法，通过行变换将矩阵 A 转换为单位矩阵，同时对单位矩阵进行相同的行变换，最终单位矩阵变为 A^-1。 2. …

知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区 …