Implemented first mathematical function capabilities

Former-commit-id: ee913fea251dd9151e29a22108c6110e859ebfdc

examples/scripts/sellar_problem.py

@@ -85,6 +85,18 @@ print 'Getting repository connectivity graph (RCG)...'
 # Get repository connectivity graph (RCG) from knowledge Base
 RCG = KB_sellarProblem.get_rcg(name='RCG')
 
+print 'Adding some equations to the graph for illustration purposes (RCG)...'
+RCG.add_equation_labels()
+RCG.add_equation('A', 'a', 'Python')
+RCG.add_equation('A', 'a', 'LaTeX')
+RCG.add_equation('A', '<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi></math>', 'MathML')
+RCG.add_equation('G1', 'y1/3.16-1', 'Python')
+RCG.add_equation('G1', 'y1/3.16-1', 'LaTeX')
+RCG.add_equation('G1', '<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y</mi><mn>1</mn><mo>/</mo><mn>3</mn><mo>.</mo><mn>16</mn><mo>-</mo><mn>1</mn></math>', 'MathML')
+RCG.add_equation('G2', '1-y2/24.0', 'Python')
+RCG.add_equation('F1', 'x1**2+z2+y1+exp(-y2)', 'Python')
+RCG.add_equation('F1', 'x1^2+z2+y1+e^{-y2}', 'LaTeX')
+
 # Plot RCG
 if show_plots:
     RCG.plot_graph(1, fig_size=fig_size, show_now=False)