petsc安装教程

下载后

./configure --with-cc=gcc --with-cxx=g++ --with-fc=gfortran --download-mpich --download-fblaslapack --download-hypre(需要这个包）--with-clanguage=cxx

make all test

sudo gedit ~/.bashrc

在最后增加

export PETSC_DIR=/home/sunzhe/yangby/petsc-3.8.3

export PETSC_ARCH=arch-linux2-cxx-debug