4.7.2 Greatest hits from previous weeks

4.7.2.1 Labeling individual curves in Mathematica

http://mathematica.stackexchange.com/questions/4444/labeling-individual-curves-in-mathematica

 
I need to create a plot for export and inclusion in a report. Is there a better way to label curves than PlotLegends? From what I've read and my personal experience, PlotLegends is pretty bad. 
 
Is  ...
 

- asked by Tianxiang Xiong (47 votes), answered by Artes (38 votes)

4.7.2.2 Why this real integral yields imaginary results?

http://mathematica.stackexchange.com/questions/127301/why-this-real-integral-yields-imaginary-results

 
Integrate[(y - y^2 + x - x^2 + 2*x*y)/(1 - x - y),{x,0,1},{y, 0, 1}] 
 
 
The above integral yields -1-4I/3 in Mathematica. Since the integrand is real (although divergent at some points), how does  ...
 

- asked by Chong Wang (16 votes), answered by bbgodfrey (19 votes)