I want to write a code with given xp, x1 and depth values that can give me value of y axis with given x.

I want a code to which if I give x, it provides me with value of y and y should be as given in above photo.

My attept:

`clear; clc;xp = 100;x1 = 50;dx = 0.2;depth = 1;all_x = -xp:dx:xp;y1 = linspace(0,0,length( [-xp:dx:-x1] ) )y2 = ???y3 = linspace(0,0,length( [x1:dx:xp] ) )all_y = [y1 y2 y3];`

I am unable to write a relation for y2

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