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The Number Theoretic Transform is the discrete Fourier transform (DFT) equivalent over a finite field Zqthe integers sub q A prime number where Root of Unity ( ): An element such that

It converts polynomials from coefficient representation to point-value representation, allowing multiplication in time instead of Procedural Step-by-Step: Computing a 4-point NTT NnT Lat 23

. Then, apply the to return to coefficients. Visualization of Polynomial Transformation The Number Theoretic Transform is the discrete Fourier