Maths for ML / Notation

C\mathbb{C}

complex numbers

Number systemsAdvanced

Say it “C / the complex numbers”

Numbers of the form a + bi where i² = −1.

Example

eiθe^{i\theta}

In code

1+2j
torch.complex(a, b)

Where you’ll see it in ML

Rotary position embeddings (RoPE) and Fourier features.

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