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package main
import "fmt"
func main() {
a := [][]float64{{1, 3, 5, -6}, {5, 2, 9, -4}, {10, 5, 6.2, 1}, {0.005, 2, 6.8, -4}}
fmt.Println(a)
fmt.Println(partMat(a, 2, 3, 1, 4))
}
func partMat(a [][]float64, rowStart int, rowEnd int, colStart int, colEnd int) [][]float64 {
c := [][]float64{}
for i := rowStart - 1; i <= rowEnd-1; i++ {
k := []float64{}
for j := colStart - 1; j <= colEnd-1; j++ {
k = append(k, a[i][j])
}
c = append(c, k)
}
return c
}