#!/bin/bash -l
#
....

#SBATCH --job-name=matmultiply_R

...
#
# [EDIT] Execute your OpenMP/threaded program using the srun command:
#
# Add vpkg_require commands
vpkg_require r/3.5

# Syntax: Rscript [options] filename.R [arguments]
Rscript matmul.R