Construct a `3 xx 2` matrix whose elements ar given by `a_(ij)=(1)/(2)(i-3j)`

Explanation

To construct a \(3 \times 2\) matrix whose elements are given by the formula \(a_{ij} = \frac{1}{2}(i - 3j)\), we will follow these steps:

### Step 1: Define the Matrix Structure
We need to create a matrix \(A\) with 3 rows and 2 columns. The elements of the matrix will be denoted as \(a_{ij}\), where \(i\) represents the row number and \(j\) represents the column number.

### Step 2: Calculate Each Element of the Matrix
We will calculate each element of the matrix using the formula \(a_{ij} = \frac{1}{2}(i - 3j)\).

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