WebAn n × n square matrix A = [a ij] is said to be an upper triangular matrix if and only if a ij = 0, for all i > j. This implies that all elements below the main diagonal of a square matrix are … Web8 Jul 2024 · Naive Approach: The naive idea is for each element in the given array arr[] find the multiple of the element in the range [L, R] and print the sum of all the multiples. Time Complexity: O(N*(L-R)) Auxiliary Space: O(1) Efficient Approach: To optimize the above naive approach we will use the concept discussed below: For any integer X, the number of …

Finding Single Missing Element in an Array in C

Web7 Aug 2015 · a = (# + Transpose [#]) & [RandomReal [ {-1, 1}, {1000, 1000}]]; (Total [a, 2] - Tr [a])/2 // AbsoluteTiming (* {0.004000,721.277}*) Sum [a [ [i, j]], {i, 1, 1000}, {j, i + 1, 1000}] // AbsoluteTiming (* {1.254072,721.277}*) The latter is so much slower than the former. WebEnter the Element a[2][0] : 1. Enter the Element a[2][1] : 2. Enter the Element a[2][2] : 1. Sum of Upper Triangle Elements : 6. Explanation : Considering above 3×3 matrix –. By … cottages at the water\u0027s edge

C program to find sum of upper triangular matrix - Codeforwin

Web7 Aug 2016 · Accepted Answer: Image Analyst. I want to find sum of numbers appearing in right triangular part from bottom right corner to top left corner in a 2-D matrix like. Theme. … Web17 Dec 2024 · Upper triangular matrix is a square matrix whose all elements below the main diagonal are zero. A triangular matrix is a square matrix in which elements below and/or … WebTo display the upper triangle check whether the sum of i and j indexes is less than the order of the matrix if it is then print the element matrix [i] [j]. Similarly, to display the lower triangle check whether the sum of i and j indexes is greater than or equal to the order of the matrix if it is then print the element matrix [i] [j]. cottages at tilghman beach for sale