{"id":51,"date":"2025-07-15T13:34:46","date_gmt":"2025-07-15T13:34:46","guid":{"rendered":"https:\/\/functiontranslator.com\/2021\/02\/12\/besselk\/"},"modified":"2021-02-13T11:32:43","modified_gmt":"2021-02-13T11:32:43","slug":"besselk","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/en\/besselk\/","title":{"rendered":"BESSELK"},"content":{"rendered":"

This document provides a comprehensive guide on how to use the BESSELK function in both Microsoft Excel and Google Sheets.<\/p>\n

Overview<\/h2>\n

The BESSELK function calculates the modified Bessel function of the second kind, Kn(x), for a specified order and a given value of x.<\/p>\n

Syntax<\/h2>\n

The syntax for the BESSELK function is as follows:<\/p>\n

BESSELK(x, n)<\/code><\/pre>\n
    \n
  • x<\/code>: The point at which the function is evaluated.<\/li>\n
  • n<\/code>: The order of the Bessel function.<\/li>\n<\/ul>\n
    Examples<\/h2>\n
    To clarify how the BESSELK function can be applied in Excel and Google Sheets, consider these examples:<\/p>\n
    Example 1: Calculating Bessel Function Value<\/h2>\n
    Assume we need to compute the value of the modified Bessel function of the second kind, specifically K5(3).<\/p>\n\n\n\n
    x<\/th>\nn<\/th>\nResult<\/th>\n<\/tr>\n
    3<\/td>\n5<\/td>\n=BESSELK(3, 5)<\/td>\n<\/tr>\n<\/table>\n
    Example 2: Using BESSELK in a Formula<\/h2>\n
    Additionally, the BESSELK function can be incorporated into larger formulas. For instance, to calculate the sum of K0(2) and K1(3):<\/p>\n
    =BESSELK(2, 0) + BESSELK(3, 1)<\/code><\/p>\n
    Example 3: Using BESSELK in Data Analysis<\/h2>\n
    In scenarios where column A consists of x values and column B contains n values, the BESSELK function can be used to calculate the Bessel function values for individual rows. For example:<\/p>\n\n\n\n\n
    x<\/th>\nn<\/th>\nResult<\/th>\n<\/tr>\n
    2<\/td>\n3<\/td>\n=BESSELK(A2, B2)<\/td>\n<\/tr>\n
    3<\/td>\n2<\/td>\n=BESSELK(A3, B3)<\/td>\n<\/tr>\n<\/table>\n
    By utilizing the examples and syntax outlined in this guide, you will be equipped to effectively employ the BESSELK function in both Excel and Google Sheets for a variety of computational tasks involving the modified Bessel function of the second kind.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Returns the modified Bessel function Kn(x)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[204],"tags":[],"class_list":["post-51","post","type-post","status-publish","format-standard","hentry","category-engineering"],"acf":[],"yoast_head":"\nExcel BESSELK Function \u2013 How It Works, Formula Examples and Syntax<\/title>\n<meta name=\"description\" content=\"Learn what the Excel BESSELK function does. 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