<!DOCTYPE html>
<html >

<head>
<link rel="canonical" href="https://mc-stan.org/docs/functions-reference/compound_arithmetic_and_assignment.html#compound-elementwise-multiplication-and-assignment" />
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <title>8.5 Compound Elementwise Multiplication and Assignment | Stan Functions Reference</title>
  <meta name="description" content="Reference for the functions defined in the Stan math library and available in the Stan programmi