' - - File: VII_FieldA3.txt

' Given (x,y) --> <F, H>, construct the directed field.

F{x,y} =y
H{x,y} = Cos[x]

a = -3  :  b = 3  :  n = 15
c = -3  :  d = 3  :  m = 15

PlotDirField[F, H, {a,b,n}{c,d,m}]



