x

y

ymin = -4.863447046951368
ymax = 2.8212814596344105
yscale: ymax - ymin
threshold = 0.03
xmax = 4.416505606547684
xmin = -4.257346371182799
xscale: xmax - xmin
LL = Corner(1)
UR = Corner(3)
threshold_x: (threshold * xscale)
threshold_y: (threshold * yscale)
xlabeldisplayed: "" + (LaTeX[xlabel]) + ""
ylabeldisplayed: "" + (LaTeX[ylabel]) + ""
t = 0 (slider from 0 to 6.283185307179586, step 0.1)
u = Vector(((3 * cos(t)), (2 * sin(t))))
h = 1 (slider from 1.0E-6 to 1, step 0.1)
v = Vector(((3 * cos(t + h)), (2 * sin(t + h))))
w = Translate(Vector[(v - u) / h], (x(u), y(u)))