With respect to the periodic waveform sketched in Fig. 18.29, let gn(t) represent the
Chapter 18, Problem 8(choose chapter or problem)
With respect to the periodic waveform sketched in Fig. 18.29, let \(g_n (t)\) represent the Fourier series representation of f (t) truncated at n. [For example, if n = 1, \(g_1 (t)\) has three terms, defined through \(a_0\), \(a_1\) and \(b_1\).] (a) Sketch \(g_2 (t)\), \(g_3 (t)\), and \(g_5 (t)\), along with f (t). (b) Calculate f (2.5), \(g_2 (2.5)\), \(g_3 (2.5)\), and \(g_5 (2.5)\).
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