{"id":25383,"date":"2021-11-10T09:38:32","date_gmt":"2021-11-10T04:08:32","guid":{"rendered":"https:\/\/python-programs.com\/?p=25383"},"modified":"2021-11-10T09:38:32","modified_gmt":"2021-11-10T04:08:32","slug":"python-math-erf-method-with-examples","status":"publish","type":"post","link":"https:\/\/python-programs.com\/python-math-erf-method-with-examples\/","title":{"rendered":"Python math.erf() Method with Examples"},"content":{"rendered":"<p><strong>math.erf() Method in Python:<\/strong><\/p>\n<p>The math.erf() method returns a number&#8217;s error function.<\/p>\n<p>This method accepts values ranging from &#8211; inf to + inf and returns a value ranging from &#8211; 1 to + 1.<\/p>\n<p><strong>Syntax:<\/strong><\/p>\n<pre>math.erf(x)<\/pre>\n<p><strong>Parameters<\/strong><\/p>\n<p><strong>x:<\/strong> This is Required. It is a number used to calculate the error function of<\/p>\n<p><strong>Return Value:<\/strong><\/p>\n<p>Returns a float value that represents a number&#8217;s error function.<\/p>\n<p><strong>Examples:<\/strong><\/p>\n<p><strong>Example1:<\/strong><\/p>\n<p><strong>Input:<\/strong><\/p>\n<pre>Given Number = 0.5<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">The given number's { 0.5 } error function =  0.5204998778130465<\/pre>\n<p><strong>Example2:<\/strong><\/p>\n<p><strong>Input:<\/strong><\/p>\n<pre>Given Number = -4.5<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">The given number's { -4.5 } error function =  -0.9999999998033839<\/pre>\n<h2>math.erf() Method with Examples in Python<\/h2>\n<ul>\n<li><a href=\"#Using_Built-in_Functions_(Static_Input)\">Using Built-in Functions (Static Input)<\/a><\/li>\n<li><a href=\"#Using_Built-in_Functions_(User_Input)\">Using Built-in Functions (User Input)<\/a><\/li>\n<\/ul>\n<h3 id=\"Using_Built-in_Functions_(Static_Input)\">Method #1: Using Built-in Functions (Static Input)<\/h3>\n<p><strong>Approach:<\/strong><\/p>\n<ul>\n<li>Import math module using the import keyword.<\/li>\n<li>Give the number(angle) as static input and store it in a variable.<\/li>\n<li>Pass the given\u00a0 as an argument to the math.erf() function to get the given number&#8217;s error function.<\/li>\n<li>Store it in another variable.<\/li>\n<li>Print the error function of the given number.<\/li>\n<li>The Exit of the Program.<\/li>\n<\/ul>\n<p><strong>Below is the implementation:<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\"># Import math module using the import keyword\r\nimport math\r\n# Give the number as static input and store it in a variable.\r\ngvn_numb = 0.5\r\n# Pass the given number as an argument to the math.erf() function to get\r\n# the given number's error function.\r\n# Store it in another variable.\r\nrslt = math.erf(gvn_numb)\r\n# Print the error function of the given number.\r\nprint(\"The given number's {\", gvn_numb, \"} error function = \", rslt)\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">The given number's { 0.5 } error function =  0.5204998778130465<\/pre>\n<p>Similarly, try for other numbers.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\">import math\r\ngvn_numb = -15.2\r\nrslt = math.erf(gvn_numb)\r\nprint(\"The given number's {\", gvn_numb, \"} error function = \", rslt)\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">The given number's { -15.2 } error function =  -1.0<\/pre>\n<h3 id=\"Using_Built-in_Functions_(User_Input)\">Method #2: Using Built-in Functions (User Input)<\/h3>\n<p><strong>Approach:<\/strong><\/p>\n<ul>\n<li>Import math module using the import keyword.<\/li>\n<li>Give the number as user input using the float(input()) function and store it in a variable.<\/li>\n<li>Pass the given number as an argument to the math.erf() function to get the given number&#8217;s error function.<\/li>\n<li>Store it in another variable.<\/li>\n<li>Print the error function of the given number.<\/li>\n<li>The Exit of the Program.<\/li>\n<\/ul>\n<p><strong>Below is the implementation:<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\"># Import math module using the import keyword\r\nimport math\r\n# Give the number as user input using the float(input()) function and store it in a variable.\r\ngvn_numb = float(input(\"Enter some random number = \"))\r\n# Pass the given number as an argument to the math.erf() function to get\r\n# the given number's error function.\r\n# Store it in another variable.\r\nrslt = math.erf(gvn_numb)\r\n# Print the error function of the given number.\r\nprint(\"The given number's {\", gvn_numb, \"} error function = \", rslt)\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre>Enter some random number = -4.5\r\nThe given number's { -4.5 } error function = -0.9999999998033839<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>math.erf() Method in Python: The math.erf() method returns a number&#8217;s error function. This method accepts values ranging from &#8211; inf to + inf and returns a value ranging from &#8211; 1 to + 1. Syntax: math.erf(x) Parameters x: This is Required. It is a number used to calculate the error function of Return Value: Returns &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/python-programs.com\/python-math-erf-method-with-examples\/\"> <span class=\"screen-reader-text\">Python math.erf() Method with Examples<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python math.erf() Method with Examples - Python Programs<\/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:\/\/python-programs.com\/python-math-erf-method-with-examples\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python math.erf() Method with Examples - Python Programs\" \/>\n<meta property=\"og:description\" content=\"math.erf() Method in Python: The math.erf() method returns a number&#8217;s error function. 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