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R.<x> = RR[]
f = x^5 - x + 1
root = f.roots()[0][0]
g = plot(f, -3,3, thickness=2)
g += point([root, 0], color='red', pointsize=125, zorder=5)
g += text("Here it is!", (1.6, -1), color='black', fontsize=22)
g += arrow((1.1,-.7), [root+.2,-.05], color='darkgreen')

show(g, ymin=-3, ymax=3, aspect_ratio=1, figsize=8, gridlines='major', fontsize=16)
save(g, 'harris.pdf', ymin=-3, ymax=3, aspect_ratio=1, figsize=8, gridlines='major', fontsize=16)
smc.file('harris.pdf')


R.<x> = RR[]
f = x^5 - x + 1
root = f.roots()[0][0]
g = plot(f, -3,3, thickness=2)
g += point([root, 0], color='red', pointsize=125, zorder=5)
g += text("Here it is!", (1.6, -1), color='black', fontsize=22)
g += arrow((1.1,-.7), [root+.2,-.05], color='darkgreen')

show(g, ymin=-3, ymax=3, aspect_ratio=1, figsize=8, gridlines='major', fontsize=16)
save(g, 'harris.eps', ymin=-3, ymax=3, aspect_ratio=1, figsize=8, gridlines='major', fontsize=16)
smc.file('harris.eps')