I have the following function $$\left|a_0 + \sum_{m=1}^{\infty}A_m \cos(mx)\right|$$ Is there any way to rewrite such an equation as $$\left|B_0\right| + \sum_{m=1}^{\infty}\left|B_m\cos(mx)\right|$$ or something similar?
2026-04-07 05:38:08.1775540288
modulus of fourier series
391 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in SUMMATION
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