how to fix this if statement

Breakpoints Kun Section Advance Run and Advance Run and Time BREAKPOINTS RUN MATLAB Editor - C:\Users\14015\Documents\MATLAB\sortnum.m sortnum.m * my Thermostat. m x + function [lowest, middle, highest) - sortnum (x) el fuention will take an input of three integers and arrange them tascending order 4 bari weinreich and jacob stone - $2/24/2020 Son SOCOWN if (x(1)>x (2)) middle-x(1); lowestex (2); else middle-x (2); lowest-x(1); end if (middle>x (3)) highest=middle; if (lowest>x(3)) middle-lowest; lowest=x (3); else middle=x 31: Command Window Error in sortnum (une 2 1 (x(1) X (2)) hp