ubuntu20.04 eigen3.3.7

在Ubuntu 20.04中安装Eigen 3.3.7，可以使用以下命令：

1. 首先，确保您的系统更新了源列表：

   sudo apt-get update

2. 接下来，安装Eigen 3.3.7的依赖库：

   sudo apt-get install libeigen3-dev

3. 安装完成后，您可以通过以下命令来查看已安装的Eigen版本：

   cat /usr/include/eigen3/Eigen/src/Core/util/Macros.h

以上是在Ubuntu 20.04中安装Eigen 3.3.7的步骤。希望对您有帮助！<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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