Q: What does discrete function mean?

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The graph of a continuous function will not have any 'breaks' or 'gaps' in it. You can draw it without lifting your pencil or pen. The graph of a discrete function will just be a set of lines.

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Fourier series is the sum of sinusoids representing the given function which has to be analysed whereas discrete fourier transform is a function which we get when summation is done.

The domain is the possible values that can be input into the function and produce a real number output.

Discrete means hidden or non visible. The discrete information should not be revealed.

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The graph of a continuous function will not have any 'breaks' or 'gaps' in it. You can draw it without lifting your pencil or pen. The graph of a discrete function will just be a set of lines.

It is a function that gives the probabilities associated with the discrete number of values that a random variable can take.

A discrete semiconductor is an individual circuit that performs a single function affecting the flow of electrical current.

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The Poisson distribution is a discrete distribution, with random variable k, related to the number events. The discrete probability function (probability mass function) is given as: f(k; L) where L (lambda) is the mean and square root of lambda is the standard deviation, as given in the link below: http://en.wikipedia.org/wiki/Poisson_distribution

Demand schedule: a list of demand/price equivalencies. It can best be seen as a table with discrete points. Demand function: a continuous function of price-demand interaction. Main difference: schedule is discrete; function is continuous.

Fourier series is the sum of sinusoids representing the given function which has to be analysed whereas discrete fourier transform is a function which we get when summation is done.

The domain is the possible values that can be input into the function and produce a real number output.

discrete transistors

The mean of a discrete probability distribution is also called the Expected Value.

Discrete means hidden or non visible. The discrete information should not be revealed.

A relation that is defined for each element in its domain and for each input there is one and only one output.A discrete function is either equivalent to infinite sequences (if aperiodic) or to finite sequences, n-tuples (if periodic). In engineering language, it is the same as the term "sampled function".References: Fischer, J.V. On the Duality of Discrete and Periodic Functions. Mathematics 2015, 3, 299-318.