Problem 263. Nonuniform quantizer as a piecewise constant function

Steve Eddins

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Implement a nonuniform quantizer as the following piecewise function:

y = -3.5, x < -3

y = -1.5, -3 ≤ x < -1

y = -0.5, -1 ≤ x < 0

y = 0.5, 0 ≤ x < 1

y = 1.5, 1 ≤ x < 3

y = 3.5, 3 ≤ x

Your function should act elementwise on array inputs.

For example:

   nonuniformQuantizer([-4.0 0.0 2.0])

returns

   [-3.5 0.5 1.5]

Solve

Solution Stats

Last Solution submitted on Apr 20, 2026

2 Comments

Matthew Eicholtz on 22 Aug 2015

I think the first line should read x<-3, not x<3.

Steve Eddins on 24 Aug 2015

Fixed. Thanks.

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