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Views: 72
Kernel: Python 2 (SageMath)
%matplotlib inline
import matplotlib.pyplot as plt import numpy as np
x = np.linspace(0, 3*np.pi, 500) plt.plot(x, np.sin(x**2)) plt.title('sin(x^2)');
Image in a Jupyter notebook
from pylab import * from matplotlib.patches import Polygon def func(x): return (x-3)*(x-5)*(x-7)+85 ax = subplot(111) a, b = 2, 9 # integral area x = arange(0, 10, 0.01) y = func(x) plot(x, y, linewidth=1) # make the shaded region ix = arange(a, b, 0.01) iy = func(ix) verts = [(a,0)] + list(zip(ix,iy)) + [(b,0)] poly = Polygon(verts, facecolor='0.8', edgecolor='k') ax.add_patch(poly) text(0.5 * (a + b), 30, r"$\int_a^b f(x)\mathrm{d}x$", horizontalalignment='center', fontsize=20) axis([0,10, 0, 180]) figtext(0.9, 0.05, 'x') figtext(0.1, 0.9, 'y') ax.set_xticks((a,b)) ax.set_xticklabels(('a','b')) ax.set_yticks([]) show()
Image in a Jupyter notebook