How to resolve the algorithm Sum of elements below main diagonal of matrix step by step in the F# programming language

Published on 12 May 2024 09:40 PM
#F_Sharp

How to resolve the algorithm Sum of elements below main diagonal of matrix step by step in the F# programming language

Table of Contents

Problem Statement

Find and display the sum of elements that are below the main diagonal of a matrix. The matrix should be a square matrix.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Sum of elements below main diagonal of matrix step by step in the F# programming language

Source code in the fsharp programming language

// Sum below leading diagnal. Nigel Galloway: July 21st., 2021
let _,n=[[ 1; 3; 7; 8;10];
         [ 2; 4;16;14; 4];
         [ 3; 1; 9;18;11];
         [12;14;17;18;20];
         [ 7; 1; 3; 9; 5]]|>List.fold(fun(n,g) i->let i,_=i|>List.splitAt n in (n+1,g+(i|>List.sum)))(0,0) in printfn "%d" n

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