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# geg data file
# all options can be changed within geg
toolbar = pictures_and_text
tooltips = on
print_as = pdf
xmin = -5.598089
xmax = 5.598089
ymin = -4.198566
ymax = 4.198566
tmin = 0.000000
tmax = 1.000000
amin = 0.000000
amax = 6.283185
graph_width = 1024
graph_height = 768
axes_lw = 0.4
grid_lw = 0.3
box_lw = 0.4
curves_lw = 0.5
point_radius = 1
coordinates_type = decimal
mode_type = cartesian
zoom_xy = 3
zoom_factor = 0.100000
notch_spacing = 45
minimum_resolution = 0.000100
maximum_resolution = 10000.000000
interpolation_factor = 4
maximum_formulas = 100
do_Ox = 1
do_Oy = 1
do_xval = 1
do_yval = 1
do_color = 1
do_box = 0
# positions: 0=top left, 1=top right, 2=bottom left, 3=bottom right
text_position = 2
formula_size = 20
number_size = 12
utility_editor = emacs
utility_eps_viewer = evince
utility_pdf_viewer = evince
utility_eps_to_pdf = ps2pdf -dEPSCrop -dPDFSETTINGS=/prepress
utility_svg_viewer = inkscape
utility_eps_to_svg = eps2svg
color[0] = { 1.000000, 1.000000, 1.000000 }
color[1] = { 0.500000, 0.600000, 0.700000 }
color[2] = { 0.800000, 0.700000, 0.600000 }
color[3] = { 0.800000, 0.800000, 0.800000 }
color[4] = { 0.200000, 0.800000, 0.400000 }
color[5] = { 0.500000, 0.500000, 0.500000 }
color[6] = { 0.000000, 0.000000, 0.000000 }
color[7] = { 0.800000, 0.000000, 0.000000 }
color[8] = { 0.000000, 0.000000, 0.800000 }
color[9] = { 0.000000, 0.800000, 0.000000 }
color[10] = { 0.800000, 0.800000, 0.000000 }
color[11] = { 0.800000, 0.000000, 0.800000 }
color[12] = { 0.000000, 0.800000, 0.800000 }
color[13] = { 0.400000, 0.400000, 0.400000 }
color[14] = { 0.000000, 0.000000, 0.000000 }
end_parameters
# Formulas
# user defined function that has not explicit primitive
&fa(p)=cos(p*p)
fa(x)
# indefinite integral of fa at c=0
&fb=int_c_fa
&c=0
fb(x)
# now take derivative of that primitive and show the error
# it is less than 1/10^7 on the interval
&fc=fb'
10^7*(fc(x)-fa(x))
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