\documentclass[12pt]{article} \usepackage{amssymb,amsmath,amscd,concmath} \pagestyle{empty} \begin{document} \begin{equation*} \Psi(r_1=(1.0,0.5,0.3), r_2=(-0.2,0.1,-0.1),\alpha=0.5) \end{equation*} \end{document}