How to resolve the algorithm Random numbers step by step in the Pascal programming language

Published on 12 May 2024 09:40 PM
#Pascal

How to resolve the algorithm Random numbers step by step in the Pascal programming language

Table of Contents

Problem Statement

Generate a collection filled with   1000   normally distributed random (or pseudo-random) numbers with a mean of   1.0   and a   standard deviation   of   0.5 Many libraries only generate uniformly distributed random numbers. If so, you may use one of these algorithms.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Random numbers step by step in the Pascal programming language

Source code in the pascal programming language

function rnorm (mean, sd: real): real;
 {Calculates Gaussian random numbers according to the Box-Müller approach}
var
  u1, u2: real;
begin
  u1 := random;
  u2 := random;
  rnorm := mean * abs(1 + sqrt(-2 * (ln(u1))) * cos(2 * pi * u2) * sd); 
       /* error !?! Shouldn't it be "mean +" instead of "mean *" ? */
end;

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