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# PS Fix

Round input physical signal toward zero

## Library

Physical Signals/Nonlinear Operators

## Description

The PS Fix block rounds the input physical signal toward zero, that is, for a positive signal returns the nearest integer smaller than or equal to the input value, and for a negative signal returns the nearest integer larger than or equal to the input value:

$y=fix\left(u\right)$

where

 u Physical signal at the input port y Physical signal at the output port

Both the input and the output are physical signals.

## Dialog Box and Parameters

The PS Fix block has no parameters.

## Ports

The block has one physical signal input port and one physical signal output port.