simple function
Sign in to savecomplex function on a measurable space that is piecewise constant with a finite number of measurable regions
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measure
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mathematics
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complex number
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real number
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integral
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sequence
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number line
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real analysis
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linear combination
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sigma-algebra
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indicator function
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floor and ceiling functions
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Lebesgue integration
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Dirichlet function
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algebra over a field
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Serge Lang
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step function
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measurable function
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Borel set
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Walter Rudin
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