<!DOCTYPE html> <html> <head> <title>MathJax Equation References</title> <!-- Copyright (c) 2012-2015 The MathJax Consortium --> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ TeX: { equationNumbers: {autoNumber: "all"} } }); </script> <script type="text/javascript" src="../MathJax.js?config=TeX-AMS_HTML"></script> <style> h1 { background: #CCCCCC; padding: .2em 1em; border-top: 3px solid #666666; border-bottom: 3px solid #999999; } </style> </head> <body> <center> <h1>A test of Equation References</h1> </center> <div style="padding:0 2em"> <hr> Here is a labeled equation: $$x+1\over\sqrt{1-x^2}\label{ref1}$$ with a reference to ref1: \ref{ref1}, and another numbered one with no label: $$x+1\over\sqrt{1-x^2}$$ This one uses \nonumber: $$x+1\over\sqrt{1-x^2}\nonumber$$ <p> <HR> <p> Here's one using the equation environment: \begin{equation} x+1\over\sqrt{1-x^2} \end{equation} and one with equation* environment: \begin{equation*} x+1\over\sqrt{1-x^2} \end{equation*} <p> <HR> <p> This is a forward reference [\ref{ref2}] and another \eqref{ref2} for the following equation: $$x+1\over\sqrt{1-x^2}\label{ref2}$$ More math: $$x+1\over\sqrt{1-x^2}$$ Here is a ref inside math: \(\ref{ref2}+1\) and text after it. \begin{align} x& = y_1-y_2+y_3-y_5+y_8-\dots && \text{by \eqref{ref1}}\\ & = y'\circ y^* && \text{(by \eqref{ref3})}\\ & = y(0) y' && \text {by Axiom 1.} \end{align} Here's a bad ref [\ref{ref4}] to a nonexistent label. <p> <HR> <p> An alignment: \begin{align} a&=b\label{ref3}\cr &=c+d \end{align} and a starred one: \begin{align*} a&=b\cr &=c+d \end{align*} </div> </body> </html>