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Complex numbers
Complex numbers, or rather the Set of Complex Numbers, are important in quantum mechanics because many of the solutions that describe quantum phenomena require this set in their calculations. And what is complex numbers?🤔
The set of Complexes (Complex Numbers) denoted by (ℂ), is just another numerical set of mathematics that allows values that other sets do not. For example, negative square roots. If you remember your math classes, you might remember the following diagram.
ℚ rational
7/6
-8
-3
2.9
-3
8
-9
4
5
ℤ integers
ℕ natural
0
3
8
9
4
5
ℝ Real
7/6
-15
-3
2.9
ℂ complexes
√-1
2+4i
cos(θ) + i sin(θ)