dct

Discrete Cosine Transform

Description

Implement Discrete Cosine Transform (DCT) and its inverse via Peroxide and compute the DCT of below function.

$$ f(t) = \sum_{n=1}^{5} n \cos(n \omega t), \quad \omega = 10 \times 2\pi $$

Build Process

# Build & Run
cargo run --release

# Plot
python pq_plot.py

Result

DCT

Inverse DCT