3844.sagews

x = var('x')

f = (sqrt(cos(x))*cos(400*x)+sqrt(abs(x))-0.4)*(4-x*x)^0.1

heart = [plot(f, xmin=-2, xmax=2, ymin=-2, ymax=2, gridlines = true)]

p=sum(heart)
p.show()

verbose 0 (4128: plot.py, generate_plot_points) WARNING: When plotting, failed to evaluate function at 44 points. verbose 0 (4128: plot.py, generate_plot_points) Last error message: ''