A first course in probability

... E then you remain in E; but at a boundary point you can make an arbitrarily small move and get to a point inside E and you can also make an arbitrarily small move and get to a point outside E ... centered at b contains a point in E and also a point that is not in E CHAPTER COMPLEX NUMBERS (c) A point c is an accumulation point of E if every open disk centered at c contains a point of E ... using Cartesian coordinates or polar coordinates Each of these five ways is useful in different situations, and translating between them is an essential ingredient in complex analysis The five ways...

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... series and transforms are of fundamental importance in random signal analysis and processing, this material is developed from scratch in Chap 2, emphasizing the time-domain vs frequency-domain duality ... juniors/seniors, and graduate students in sciences and engineering who have not been previously exposed to this material It was also used for industrial audiences as educational and training materials, and for ... the basic mathematical and statistical tools useful in analysis of random signals that are produced under stationary conditions, that is, in situations where the measured signal may be stochastic...