Matrix form
In matrix form you write a complex number as
In this 2×2-matrix the imaginary unit i is not apparent.
Explanation
For the imaginary unit you see
Example 1
We calculate i2 = –1 with a matrix multiplication
In matrix form you write a complex number as
In this 2×2-matrix the imaginary unit i is not apparent.
For the imaginary unit you see
We calculate i2 = –1 with a matrix multiplication