contour_plot() di Sage

contour_plot(sin(x^2 + y^2)*cos(x)*sin(y), (-10, 10), (-10, 10), plot_points=1000, cmap=’copper’)

sage: contour_plot(y^2 + 1 – x^3 – x, (y,-pi,pi), (x,-pi,pi), cmap=’copper’)

contour_plot(sin(x^2 + y^2)*cos(x)*sin(y), (-10, 10), (-10, 10),plot_points=1000, cmap=’jet’)

[SAGE], SAGE Mathematical Software, Version 3.2.3, http://www.sagemath.org

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