下载 Ceres:https://github.com/ceres-solver/ceres-solver
安装依赖项
sudo apt-get install liblapack-dev libsuitesparse-dev libcxsparse3.1.2 libgflags-dev libgoogle-glog-dev libgtest-dev
安装 Ceres
cd ceres-solver
mkdir build
cd build
cmake ..
make
sudo make install