In this tutorial, we will look at how to divide two complex numbers together in Python with the help of some examples.

The above image shows how we can simplify the computation of the division of complex numbers. The idea is to multiply both the numerator and the denominator with the complex conjugate of the denominator. This way the denominator becomes real and grouping the real and imaginary components becomes easier.

## How to divide complex numbers in Python?

Performing the complex number division is very simple and direct in Python. You can use the division operator `/`

to divide two complex numbers together. The following is the syntax –

# divide complex numbers z1 and z2 z1/z2

It gives you the complex number resulting from dividing the complex number `z1`

with the complex number `z2`

.

## Examples

Let’s now look at some examples of using the above syntax to divide some complex numbers together.

### Example 1 – Divide two complex numbers

Let’s divide two complex numbers (both having non-zero real and imaginary parts) together using the `/`

operator.

# two complex numbers z1 = 2+3j z2 = 3+4j # divide z1 by z2 print(z1/z2)

Output:

(0.72+0.04j)

We get the resulting complex number.

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Note that the division operation in mathematics is not commutative, that is, `z1/z2 != z2/z1`

# divide z2 by z1 print(z2/z1)

Output:

(1.3846153846153848-0.07692307692307697j)

We get a different result from what we got above.

### Example 2 – Divide a complex number by a real number

Let’s now divide a complex number by a real number (a number without any imaginary component).

# a complex number and a real number z1 = 2+8j z2 = 2 # divide z1 by z2 print(z1/z2)

Output:

(1+4j)

Dividing a complex number by a real number is straightforward to understand. The real number divides both the real and the imaginary components of the complex number to get our resulting complex number.

### Example 3 – Divide a complex number by an imaginary number

Let’s now divide a complex number by an imaginary number.

# a complex number and an imaginary number z1 = 2+8j z2 = 4j # divide z1 by z2 print(z1/z2)

Output:

(2-0.5j)

We get the resulting complex number.

## Summary

In this tutorial, we looked at how we can use the division operator, `/`

in Python to divide two complex numbers in Python. Keep in mind that the division operation is not commutative, meaning `z1 / z2 != z2 / z1`

.

You may also be interested in –

- Practical Guide to Working with Complex Numbers in Python
- Python – Add Two Complex Numbers
- Python – Subtract Two Complex Numbers
- Python – Multiply Two Complex Numbers
- Python – Generate a Random Complex Number
- Python – Convert Complex Number to Polar Form
- Python – Get the Phase Angle of a Complex Number
- Python – Get the Absolute Value of a Complex Number
- Numpy – Get the Complex Conjugate
- Numpy – Get the Real Part of a Complex Number
- Numpy – Get the Imaginary Part of a Complex Number
- Numpy – Check If a Number is Real
- Numpy – Check If a Number is Complex

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