{"id":24196,"date":"2021-10-14T09:17:58","date_gmt":"2021-10-14T03:47:58","guid":{"rendered":"https:\/\/python-programs.com\/?p=24196"},"modified":"2021-11-05T20:55:53","modified_gmt":"2021-11-05T15:25:53","slug":"python-program-for-ldexp-function","status":"publish","type":"post","link":"https:\/\/python-programs.com\/python-program-for-ldexp-function\/","title":{"rendered":"Python Program for ldexp() Function"},"content":{"rendered":"<p>In the previous article, we have discussed <a href=\"https:\/\/python-programs.com\/python-program-for-isnan-function\/\">Python Program for isnan() Function<\/a><br \/>\n<strong>ldexp() Function in Python:<\/strong><\/p>\n<p>The inverse of math.frexp() is returned by the math.ldexp() method, which returns <strong>x * (2**i)<\/strong> of the given numbers x and i. ().<\/p>\n<p>For example:<\/p>\n<p>Let x= 3, i=4<\/p>\n<p>Then math.ldexp(x, i) = 3*(2**4) = 48<\/p>\n<p><strong>Syntax:<\/strong><\/p>\n<pre>math.ldexp(x, i)<\/pre>\n<p><strong>Parameters:<\/strong><\/p>\n<p>x: This is required. A number that is either positive or negative. It returns TypeError if the value is not a number.<\/p>\n<p>i: This is required. A number that is either positive or negative. It returns TypeError if the value is not a number.<\/p>\n<p><strong>Return value: <\/strong>It returns the value of x * (2**i)<\/p>\n<p><strong>Examples:<\/strong><\/p>\n<p><strong>Example1:<\/strong><\/p>\n<p><strong>Input:<\/strong><\/p>\n<pre>Given x value = 3\r\nGiven i value = 4<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre>The value of given  x * (2**i) = 48.0<\/pre>\n<p><strong>Example2:<\/strong><\/p>\n<p><strong>Input:<\/strong><\/p>\n<pre>Given x value = 5\r\nGiven i value =  6<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre>The value of given x * (2**i) = 320.0<\/pre>\n<h2>Program for ldexp() Function 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 list as static input and store it in a variable.<\/li>\n<li>Give the first number as static input and store it in another variable.<\/li>\n<li>Give the second number as static input and store it in another variable.<\/li>\n<li>Apply math.ldexp() function to the given first and the second number to get the value of the given first number*(2**second number) from the above-given formula x * (2**i)<\/li>\n<li>Store it in another variable.<\/li>\n<li>Print the above result which is the result after applying math.ldexp() function.<\/li>\n<li>Give the number as static input and store it in another variable.<\/li>\n<li>Apply math.ldexp() function to the given list element and above-given number and print it.<\/li>\n<li>The Exit of 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 list as static input and store it in a variable.\r\ngvn_lst = [1, 4, 2, 0]\r\n# Give the first number as static input and store it in another variable.\r\ngvn_numb1 = 3\r\n# Give the second number as static input and store it in another variable.\r\ngvn_numb2 = 4\r\n# Apply math.ldexp() function to the given first and the second number to get\r\n# the value of the given first number*(2**second number) from the above given\r\n# formula x * (2**i)\r\n# Store it in another variable.\r\nrslt = math.ldexp(gvn_numb1, gvn_numb2)\r\n# Print the above result which is the result after applying math.ldexp() function.\r\nprint(\r\n    \"The value of given first number*(2**second number) = \", rslt)\r\n# Give the number as static input and store it in another variable.\r\ngvn_numb3 = 2\r\n# Apply math.ldexp() function to the given list element and above given number\r\n# and print it.\r\nprint(\r\n    \"The value of given list element *(2** above given number ) = \", math.ldexp(\r\n        gvn_lst[2], gvn_numb3))\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">The value of given first number*(2**second number) =  48.0\r\nThe value of given list element *(2** above given number ) =  8.0<\/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 list as user input using list(),map(),input(),and split() functions.<\/li>\n<li>Store it in a variable.<\/li>\n<li>Give first and second numbers respectively as user input using int(), map(), input(), and split()<br \/>\nfunctions.<\/li>\n<li>Store them in two separate variables.<\/li>\n<li>Apply math.ldexp() function to the given first and the second number to get the value of the given first number*(2**second number) from the above-given formula x * (2**i)<\/li>\n<li>Store it in another variable.<\/li>\n<li>Print the above result which is the result after applying math.ldexp() function.<\/li>\n<li>Give the number as user input using the int(input()) function and store it in another variable.<\/li>\n<li>Apply math.ldexp() function to the given list element and above-given number and print it.<\/li>\n<li>The Exit of 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 list as user input using list(),map(),input(),and split() functions.\r\n# Store it in a variable.\r\ngvn_lst = list(map(int, input(\r\n    'Enter some random List Elements separated by spaces = ').split()))\r\n# Give first and second numbers respectively as user input using int(),map(),input(),and split()\r\n# functions and store them in two separate variables.\r\ngvn_numb1, gvn_numb2 = map(int, input(\r\n    \"Enter two random numbers separated by spaces = \").split())\r\n# Apply math.ldexp() function to the given first and the second number to get\r\n# the value of the given first number*(2**second number) from the above given\r\n# formula x * (2**i)\r\n# Store it in another variable.\r\nrslt = math.ldexp(gvn_numb1, gvn_numb2)\r\n# Print the above result which is the result after applying math.ldexp() function.\r\nprint(\r\n    \"The value of given first number*(2**second number) = \", rslt)\r\n# Give the number as user input using the int(input()) function and store it in another variable.\r\ngvn_numb3 = int(input(\"Enter some Random Number = \"))\r\n# Apply math.ldexp() function to the given list element and above given number\r\n# and print it.\r\nprint(\r\n    \"The value of given list element *(2** above given number ) = \", math.ldexp(\r\n        gvn_lst[3], gvn_numb3))<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre>Enter some random List Elements separated by spaces = 3 0 2 1\r\nEnter two random numbers separated by spaces = 5 6\r\nThe value of given first number*(2**second number) = 320.0\r\nEnter some Random Number = 7\r\nThe value of given list element *(2** above given number ) = 128.0<\/pre>\n<p>Read all the mathematical functions available in Python and understand how to implement them in your program by using the tutorial of <a href=\"https:\/\/python-programs.com\/python-built-in-functions\/#Python_Mathematical_Methods_Examples\">Python Mathematical Methods Examples<\/a>.<\/p>\n<ul>\n<li><a href=\"https:\/\/python-programs.com\/python-program-for-modf-function\/\">Python modf() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-program-for-exp-function\/\">Python exp() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-program-for-expm1-function\/\">Python expm1() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-program-for-log-function\/\">Python log() Function with Examples<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In the previous article, we have discussed Python Program for isnan() Function ldexp() Function in Python: The inverse of math.frexp() is returned by the math.ldexp() method, which returns x * (2**i) of the given numbers x and i. (). For example: Let x= 3, i=4 Then math.ldexp(x, i) = 3*(2**4) = 48 Syntax: math.ldexp(x, i) &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/python-programs.com\/python-program-for-ldexp-function\/\"> <span class=\"screen-reader-text\">Python Program for ldexp() Function<\/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 Program for ldexp() Function - 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-program-for-ldexp-function\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python Program for ldexp() Function - Python Programs\" \/>\n<meta property=\"og:description\" content=\"In the previous article, we have discussed Python Program for isnan() Function ldexp() Function in Python: The inverse of math.frexp() is returned by the math.ldexp() method, which returns x * (2**i) of the given numbers x and i. 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