How to resolve the algorithm Metaprogramming step by step in the Mathematica/Wolfram Language programming language

Published on 22 June 2024 08:30 PM
#Wolfram

How to resolve the algorithm Metaprogramming step by step in the Mathematica/Wolfram Language programming language

Table of Contents

Problem Statement

Name and briefly demonstrate any support your language has for metaprogramming. Your demonstration may take the form of cross-references to other tasks on Rosetta Code. When possible, provide links to relevant documentation. For the purposes of this task, "support for metaprogramming" means any way the user can effectively modify the language's syntax that's built into the language (like Lisp macros) or that's conventionally used with the language (like the C preprocessor). Such facilities need not be very powerful: even user-defined infix operators count. On the other hand, in general, neither operator overloading nor eval count. The task author acknowledges that what qualifies as metaprogramming is largely a judgment call.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Metaprogramming step by step in the Mathematica/Wolfram Language programming language

Wolfram Language Code:

CircleTimes[x_, y_] := Mod[x, 10] Mod[y, 10]
14\[CircleTimes]13

Explanation:

Custom Function CircleTimes:

  • This code defines a custom function called CircleTimes that takes two integers, x and y, as input.
  • The function calculates the product of the last digits of x and y and returns the result.
  • The last digit is obtained using the Mod[x, 10] expression, which returns the remainder of x when divided by 10.
  • For example, Mod[14, 10] would return 4, since 14 divided by 10 has a remainder of 4.

Function Application:

  • The next line, 14\[CircleTimes]13, applies the CircleTimes function to the numbers 14 and 13.
  • This calculates the product of the last digits of 14 and 13, which are 4 and 3, respectively.
  • The result of the CircleTimes function is therefore 4 * 3 = 12.

Output:

  • The program outputs the value 12, which is the product of the last digits of 14 and 13.

Source code in the wolfram programming language

CircleTimes[x_, y_] := Mod[x, 10] Mod[y, 10]
14\[CircleTimes]13

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