Plotting a function with three regions

Hi,I have been plotting various functions on matlab but I can’t wrap my head around this one, how can I write or plot this function when it has three values in three regions?

[Torsten]

Use "piecewise" or define

g = @(n) -3*(n>=-4 & n <=2) + 2*(n>=3 & n<=5) 

Answer 1

[Walter Roberson]

See https://www.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html for information on how to use Logical Indexing