A **determinant
**is a **special set of mathematical operations** associated with
a * square array. *The

**» A=[1 2; 3 4] % define
A**
**A =**
** 1 2**
** 3 4**
**» det(A) % calculate
determinant of A**
**ans =**
** -2**

**» syms b11 b12 b21 b22 % define
symbolic variables**
**» B=[b11 b12; b21 b22] %
define symbolic matrix B**
**B =**
**[ b11, b12]**
**[ b21, b22]**
**» det(B) %
calculate determinant - check definition**
**ans =**
**b11*b22-b12*b21**