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| View Original: | Gaussian curvature.svg (520x500) | |||
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| Keywords: Gaussian curvature.svg en From left to right a surface of negative Gaussian curvature hyperboloid a surface of zero Gaussian curvature cylinder and a surface of positive Gaussian curvature sphere es De izquierda a derecha una superficie con curvatura gaussiana negativa hiperboloide una superficie con curvatura gaussiana cero cilindro y una superficie con curvatura gaussiana positiva esfera 2016-01-09 own Nicoguaro other versions Creation This file was created with Python SciPy NumPy and Matplotlib It was later modified using Inkscape <syntaxhighlight lang python > from __future__ import division import numpy as np from numpy import pi cos sin sqrt outer ones import matplotlib pyplot as plt from mpl_toolkits mplot3d import Axes3D fig plt figure figsize 10 10 ax fig add_subplot 111 projection '3d' u np linspace 0 2 pi 100 v np linspace 0 pi 100 one_v ones 100 Sphere x1 10 outer cos u sin v y1 10 outer sin u sin v + 17 z1 10 outer one_v np cos v ax plot_surface x1 y1 z1 rstride 5 cstride 5 cmap 'Spectral' linewidth 0 5 Cylinder x2 6 outer cos u one_v y2 6 outer sin u one_v z2 20 outer one_v v/pi - 0 5 ax plot_surface x2 y2 z2 rstride 5 cstride 5 cmap 'Spectral' linewidth 0 5 Hyperboloid v 2 v/pi - 1 x3 6 outer cos u sqrt 1 + v 2 y3 6 outer sin u sqrt 1 + v 2 - 16 z3 12 outer one_v v ax plot_surface x3 y3 z3 rstride 5 cstride 5 cmap 'Spectral' linewidth 0 5 Fix aspect ratio and axes details ax set_xlim -13 13 ax set_ylim -13 13 ax set_zlim -13 13 ax view_init elev 35 azim -45 plt axis 'off' plt savefig 'Gaussian curvature svg' transparent True plt show </syntaxhighlight> cc-zero Curvature Surfaces Differential geometry Uploaded with UploadWizard | ||||
