xn and yn for dividing the rectangular for fraction calculation: this is the number of nodes for each x and y direction. So value of 1 does not make sense for them as one pixel has 2 nodes in each direction. Either fixing this, or raising an error and explanation in the tutorial
based on @matlipson feedback
xn and yn for dividing the rectangular for fraction calculation: this is the number of nodes for each x and y direction. So value of 1 does not make sense for them as one pixel has 2 nodes in each direction. Either fixing this, or raising an error and explanation in the tutorial based on @matlipson feedback