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Go Program to Interchange Matrix Diagonals

Write a Go Program to interchange the diagonal items in a Matrix. First, it (if rows == columns) checks whether the given Matrix is square. Next, we used the temp variable to interchange the Diagonal items. The last for loop prints the Matrix after interchanging the diagonals.

package main

import "fmt"

func main() {
    var i, j, rows, columns, temp int

    var digInterMat [10][10]int

    fmt.Print("Enter the Matrix rows and Columns = ")
    fmt.Scan(&rows, &columns)

    fmt.Println("Enter Matrix Items to Interchange diagonals = ")
    for i = 0; i < rows; i++ {
        for j = 0; j < columns; j++ {
            fmt.Scan(&digInterMat[i][j])
        }
    }
    if rows == columns {
        for i = 0; i < rows; i++ {
            temp = digInterMat[i][i]
            digInterMat[i][i] = digInterMat[i][rows-i-1]
            digInterMat[i][rows-i-1] = temp
        }
        fmt.Println("*** The Matrix Items after Interchanging Diagonals ***")
        for i = 0; i < rows; i++ {
            for j = 0; j < columns; j++ {
                fmt.Print(digInterMat[i][j], "  ")
            }
            fmt.Println()
        }
    } else {
        fmt.Println("The Given Matrix is Not a Square Matrix")
    }
}
Go Program to Interchange Matrix Diagonals 1

Golang Program to Interchange Matrix Diagonals using the For loop range

We removed the extra If else to check for square Matrix because we initialized the Matrix as 3 * 3.  

package main

import "fmt"

func main() {
    var temp int

    var digInterMat [3][3]int

    fmt.Println("Enter Matrix Items to Interchange diagonals = ")
    for i, rows := range digInterMat {
        for j := range rows {
            fmt.Scan(&digInterMat[i][j])
        }
    }
    for i := range digInterMat {
        temp = digInterMat[i][i]
        digInterMat[i][i] = digInterMat[i][3-i-1] //rows = 3
        digInterMat[i][3-i-1] = temp
    }
    fmt.Println("*** The Matrix Items after Interchanging Diagonals ***")
    for i, rows := range digInterMat {
        for j := range rows {
            fmt.Print(digInterMat[i][j], "  ")
        }
        fmt.Println()
    }
}
Go Program to Interchange Matrix Diagonals 2

Filed Under: Go Examples

  • Golang Hello World Program
  • Go Add Two Number
  • Go Calculate Electricity Bill
  • Go Calculate Employee Salary
  • Go Compound Interest
  • Go Count Digits in a Number
  • Go Count Total Notes in Amount
  • Go Cube of a Number
  • Go Even or Odd
  • Go Factorial of a Number
  • Go First Digit of a Number
  • Go Generic Root of a Number
  • Go Largest of Three Numbers
  • Go Leap year Program
  • Go Reverse Natural Numbers
  • Go Roots of a Quadratic Equation
  • Go Multiplication Table
  • Go Number divisible by 5 and 11
  • Go NCR Factorial of a Number
  • Go Positive or Negative
  • Go Power of a Number
  • Go Print Natural Numbers
  • Go Profit or Loss
  • Go Print 1 to 100 without loop
  • Go Program to Print 1 to 100
  • Go Product of Digits in a Number
  • Go Palindrome Number Program
  • Go Print Even Numbers
  • Go Print Odd Numbers
  • Go Factors of a Number
  • Go Perfect Number
  • Go Prime Number
  • Go Reverse a Number
  • Go Simple Interest
  • Go Square of a Number
  • Go Square root of a Number
  • Go Sum of Digits in a Number
  • Go Sum & Avg of Natural Nums
  • Go Sum of Even Numbers
  • Go Sum of Odd Numbers
  • Go Sum of Even and Odd
  • GoSwap Two Numbers
  • Go Sphere Vol & Surface Area
  • Go Cylinder Vol & Surface Area
  • Go Cuboid Vol & Surface Area
  • Go Cube Volume & Surface Area
  • Go Cone Volume & Surface Area
  • Go Arithmetic Operation on Array
  • Go Count Duplicates in Array
  • Go Even Numbers in Array
  • Go Largest Array Item
  • Go Largest & Smallest in Array
  • Go Negative Numbers in Array
  • Go Odd Numbers in an Array
  • Go Positive Numbers in Array
  • Go Pos & Neg in Separate Array
  • Go Reverse an Array
  • Go Search for Array Items
  • Go Smallest Array Item
  • Go Character is a Digit
  • Go Convert Character to Lower
  • Go Convert Character to Upper
  • Go ASCII Value of Character
  • Go ASCII Values of All Characters
  • Go Character is a Lowercase
  • Go Character is an Alphabet
  • Go Character is an Uppercase
  • Go Char Vowel or Consonant
  • Go Print Alphabets from a to z
  • Go Print Alphabets from A to Z
  • Go Matrix Arithmetic Operations
  • Go Program to Add Two Arrays
  • Go Matrix Multiplication Program
  • Go Program to Add Two Matrices
  • Go Identity Matrix
  • Go Sparse Matrix
  • Go Array Multiplication Program
  • Go Program to Print Array Items
  • Go Program to Print Matrix Items
  • Go Matrix Determinant
  • Go Sum of Each Matrix Column
  • Go Sum of Each Matrix Row
  • Go Sum of Matrix Diagonal
  • Go Sum of Matrix Lower Triangle
  • Go Sum of Matrix Upper Triangle
  • Go Print Matrix Upper Triangle
  • Go Print Matrix Lower Triangle
  • Go Sum of Matrix Each Row & Col
  • Go Sum of Matrix Opp Diagonal
  • Go Interchange Matrix Diagonals
  • Go Scalar Matrix Multiplication
  • Go Odd Index Position Array Item
  • Go Even Index Position Array Item
  • Go Symmetric Matrix
  • Go Two Matrixes are Equal
  • Go Count Positive & Neg in Array
  • Go Count Even and Odd in Array
  • Go Transpose a Matrix

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