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Matrix multiplication in Golang(2 matrices of order 3x3) created by hygull - https://repl.it/Et8I/2
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/* | |
{ | |
"date_of_creation" => "19 Dec 2016, Mon", | |
"aim_of_program" => "Matrix multiplication in Golang", | |
"coded_by" => "Rishikesh Agrawani", | |
"Go_version" => "1.7", | |
} | |
*/ | |
package main | |
import "fmt" | |
func main() { | |
//Defining 2D matrices | |
m1 := [3][3]int{ | |
[3]int{1, 1, 1}, | |
[3]int{1, 1, 1}, | |
[3]int{1, 1, 1}, | |
} | |
m2 := [3][3]int{ | |
[3]int{1, 1, 1}, | |
[3]int{1, 1, 1}, | |
[3]int{1, 1, 1}, | |
} | |
//Declaring a matrix variable for holding the multiplication results | |
var m3 [3][3]int | |
for i := 0; i < 3; i++ { | |
for j := 0; j < 3; j++ { | |
m3[i][j] = 0 | |
for k := 0; k < 3; k++ { | |
m3[i][j] = m3[i][j] + (m1[i][k] * m2[k][j]) | |
} | |
} | |
} | |
twoDimensionalMatrices := [3][3][3]int{m1, m2, m3} | |
matrixNames := []string{"MATRIX1", "MATRIX2", "MATRIX3 = MATRIX1*MATRIX2"} | |
for index, m := range twoDimensionalMatrices { | |
fmt.Println(matrixNames[index], ":") | |
showMatrixElements(m) | |
fmt.Println() | |
} | |
} | |
//A function that displays matix elements | |
func showMatrixElements(m [3][3]int) { | |
for i := 0; i < 3; i++ { | |
for j := 0; j < 3; j++ { | |
fmt.Printf("%d\t", m[i][j]) | |
} | |
fmt.Println() | |
} | |
} | |
/* | |
MATRIX1 : | |
1 1 1 | |
1 1 1 | |
1 1 1 | |
MATRIX2 : | |
1 1 1 | |
1 1 1 | |
1 1 1 | |
MATRIX3 = MATRIX1*MATRIX2 : | |
3 3 3 | |
3 3 3 | |
3 3 3 | |
*/ |
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