imately), and compute various related quantities The actual solving is done after translating the equations to ones based on indices, for the sake of efficiency." class="trait"></a><a href="ExpressionEquationSolver.html" title="Solve equations based on expressions (approximately), and compute various related quantities The actual solving is done after translating the equations to ones based on indices, for the sake of efficiency.">ExpressionEquationSolver</a></li><li class="current-entities indented2"><a hr