
Task

Given    10×10    grid nodes   (as shown in the image)   interconnected by    1Ω    resistors as shown,

find the resistance between points   A   and   B.



See also

   (humor, nerd sniping)   xkcd.com cartoon


 
>load incidence;
>{u,r}=solvePotentialX(makeRectangleX(10,10),12,68); r,
 1.60899124173
 