When writing down arbitrary sized matrices, it is common to use horizontal, vertical and diagonal triplets of dots known as ellipses to fill in certain columns and rows. This question already has an answer here: Insert a double backslash to set a point for the equation to be broken. Lowercase epsilon, theta, kappa, phi, pi, rho, and sigma are provided in two different versions. Is my english confusing? I am having the following equation: LaTeX is obviously pretty good at typesetting maths—it was one of the chief aims of the core TeX system that LaTeX extends.
LaTeX multiple equation references in one - Stack Overflow
Help:Displaying a formula