Chebyshev polynomials, a central class of orthogonal polynomials, have long been pivotal in numerical analysis, approximation theory and the solution of differential equations. Their inherent ...
Consider approximation with respect to the Chebyshev norm $\|g\| = \sup \{ |g(x)|: 0 \leq x \leq 1\}$ on [0, 1]. A subset G of C[0, 1] such that each f ε C[0, 1] has a unique best approximation from G ...
The circuit in Figure 1 was given to me some while ago as a three-pole, active 1 dB Chebyshev lowpass filter. I never confirmed that its transfer function complied with the Chebyshev polynomial, but ...
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