How to resolve the algorithm Dot product step by step in the Forth programming language

Published on 12 May 2024 09:40 PM
#Forth

How to resolve the algorithm Dot product step by step in the Forth programming language

Table of Contents

Problem Statement

Create a function/use an in-built function, to compute the   dot product,   also known as the   scalar product   of two vectors. If possible, make the vectors of arbitrary length.

As an example, compute the dot product of the vectors:

If implementing the dot product of two vectors directly:

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Dot product step by step in the Forth programming language

Source code in the forth programming language

: vector create cells allot ;
: th cells + ;

3 constant /vector
/vector vector a
/vector vector b

: dotproduct                           ( a1 a2 -- n)
  0 tuck ?do -rot over i th @ over i th @ * >r rot r> + loop nip nip
;

: vector! cells over + swap ?do i ! 1 cells +loop ;

-5  3 1 a /vector vector!
-1 -2 4 b /vector vector!

a b /vector dotproduct . 3 ok

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