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change some "t" to "x" (except in the case of F.T.). |
damn, missed one. |
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The '''rectangular function''' (also known as the '''rectangle function''', '''rect function''' or the normalized '''[[boxcar function]]''') is defined as
:<math>\mathrm{rect}(x) = \sqcap(
0 & \mbox{if } |x| > \frac{1}{2} \\[3pt]
\frac{1}{2} & \mbox{if } |x| = \frac{1}{2} \\[3pt]
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