{"id":31496,"date":"2023-01-22T00:59:14","date_gmt":"2023-01-21T19:29:14","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-plot-an-ellipse-with-python-2-7-knowing-the-equation\/"},"modified":"2023-01-22T00:59:14","modified_gmt":"2023-01-21T19:29:14","slug":"solved-plot-an-ellipse-with-python-2-7-knowing-the-equation","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-plot-an-ellipse-with-python-2-7-knowing-the-equation\/","title":{"rendered":"[Solved] Plot an ellipse with python 2.7 knowing the equation"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-47886933\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"47886933\" data-parentid=\"47885862\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>The code you show does not represent the equation of the ellipse. It&#8217;s a bit hard to tell what exactly you were trying in that code, but the approach here is of course completely the same as in the linked question&#8217;s answer, namely to calculate the left hand side of the equation with a meshgrid and show the level of the right hand side as a <code>contour<\/code> line.<\/p>\n<pre><code>import numpy as np\nimport matplotlib.pyplot as plt\n\nx = -np.linspace(-0.5,+0.5,1000)\ny = np.linspace(-0.5,+0.5,1000)\n\n\nX,Y = np.meshgrid(x,y)\n\n#equation: 7.91x^2 + -0.213xy + 5.46y^2 -0.031x -0.0896y = 1\neqn = 7.91* X**2 -0.213*X*Y + 5.46*Y**2 -0.031*X - 0.0896*Y\nZ = 1\n\nplt.contour(X,Y,eqn,[Z])\nplt.xlim([-0.6,0.6])\nplt.ylim([-0.6,+0.6])\nplt.show()\n<\/code><\/pre>\n<p><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/jassweb.com\/solved\/wp-content\/uploads\/2023\/01\/Solved-Plot-an-ellipse-with-python-27-knowing-the-equation.png\"><img decoding=\"async\" src=\"https:\/\/jassweb.com\/solved\/wp-content\/uploads\/2023\/01\/Solved-Plot-an-ellipse-with-python-27-knowing-the-equation.png\" alt=\"enter image description here\"><\/a><\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">1<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Plot an ellipse with python 2.7 knowing the equation <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] The code you show does not represent the equation of the ellipse. It&#8217;s a bit hard to tell what exactly you were trying in that code, but the approach here is of course completely the same as in the linked question&#8217;s answer, namely to calculate the left hand side of the equation with a &#8230; <a title=\"[Solved] Plot an ellipse with python 2.7 knowing the equation\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-plot-an-ellipse-with-python-2-7-knowing-the-equation\/\" aria-label=\"More on [Solved] Plot an ellipse with python 2.7 knowing the equation\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[5845,582,581,451,499],"class_list":["post-31496","post","type-post","status-publish","format-standard","hentry","category-solved","tag-ellipse","tag-matplotlib","tag-numpy","tag-plot","tag-python-2-7"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Plot an ellipse with python 2.7 knowing the equation - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-plot-an-ellipse-with-python-2-7-knowing-the-equation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Plot an ellipse with python 2.7 knowing the equation - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] The code you show does not represent the equation of the ellipse. It&#8217;s a bit hard to tell what exactly you were trying in that code, but the approach here is of course completely the same as in the linked question&#8217;s answer, namely to calculate the left hand side of the equation with a ... 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It&#8217;s a bit hard to tell what exactly you were trying in that code, but the approach here is of course completely the same as in the linked question&#8217;s answer, namely to calculate the left hand side of the equation with a ... 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