mat: clarify implementation comments about condition number calculation
@@ -12,7 +12,7 @@ import (
)
// Condition is the condition number of a matrix. The condition
-// number is defined as ||A|| * ||A^-1||.
+// number is defined as |A| * |A^-1|.
//
// One important use of Condition is during linear solve routines (finding x such
// that A * x = b). The condition number of A indicates the accuracy of
