replaced addition to subtraction in a 2x2 matrix

2021-10-01 19:22:44 +03:00 · 2021-10-01 19:22:44 +03:00 · cbcf15e5ca
parent 9b54c0446d
commit cbcf15e5ca
1 changed files with 1 additions and 1 deletions
--- a/lesson_3/exercise_2.cpp
+++ b/lesson_3/exercise_2.cpp
@ -98,7 +98,7 @@ double Matrix::calculateDeterminant(Matrix &arr)
    }
    else if (arr.size() == 2)
    {
-        determinant = arr[0][0] * arr[1][1] + arr[1][0] * arr[0][1];
+        determinant = arr[0][0] * arr[1][1] - arr[1][0] * arr[0][1];
    }
    else
    {