' - - File: VII_Slope8.txt

F{x,y} =  x - y                   ' The slope function.

' Set  h = .05  increment in Options: Computation menu.
a = -2 :  b = 6  :  n = 20
c = -2 :  d = 6 :   m = 20

x1 = -1  :  y1 = -1.5              ' Initial condition for a particular solution.
x2 = -1  :  y2 = -0.75
x3 = -0.5  :  y3 = -0.5
x4 = 0  : y4 = 0

PlotSlopeField[F, {a,b,n}{c,d,m}{x1,y1}{x2,y2}{x3,y3}{x4,y4}]

' Use the Shift-Z to zoom inward.  Note the arrows for the assumed directed flow.


