sudo apt-get install build-essential pkg-config mpich2? python libmpich2?-dev gfortran git subversion curl gnuplot gnuplot-x11

Reading package lists... Done
Building dependency tree
Reading state information... Done
Package gnuplot is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

Package subversion is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Unable to locate package mpich2?
E: Couldn't find any package by glob 'mpich2?'
E: Couldn't find any package by regex 'mpich2?'
E: Unable to locate package libmpich2?-dev
E: Couldn't find any package by glob 'libmpich2?-dev'
E: Couldn't find any package by regex 'libmpich2?-dev'
E: Package 'subversion' has no installation candidate
E: Package 'gnuplot' has no installation candidate
E: Unable to locate package gnuplot-x11