Relevant Sampling of Band-limited Functions
classification
🧮 math.PR
cs.ITmath.IT
keywords
band-limitedfunctionfunctionsrandomsamplingapproximatebandlimitedbandwidth
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We study the random sampling of band-limited functions of several variables. If a bandlimited function with bandwidth one has its essential support on a cube of volume $R^d$, then $\cO (R^d \log R^d)$ random samples suffice to approximate the function up to a given error with high probability.
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