Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:perl:CPAN-M/openSUSE_Tumbleweed/devel:languages:perl:CPAN-M.repo
zypper refresh
zypper install perl-Math-EMA
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:perl:CPAN-M/15.6/devel:languages:perl:CPAN-M.repo
zypper refresh
zypper install perl-Math-EMA
Для 15.5 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:perl:CPAN-M/15.5/devel:languages:perl:CPAN-M.repo
zypper refresh
zypper install perl-Math-EMA