' - - File: IIIPulse1.txt    
'     Define Pulse:  Unit[t - a] - Unit{t - b]             ' a < t < b range.
' - - - - - - - - - - - - - - - - - - - - - - --  - - - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - -
Pu{x,t,z} = Unit[t - x] - Unit[t - z]                          ' In range, Pu = 1; else Pu = 0.

k = 2:  mc = 8  :  b = k + 2  :  c = Sqrt[b + mc + 2*k] + 2

' We CANNOT place a non-vector in A<t> below; assign some variable, say Y{t}
'      as shown below with the other parameters set as CONSTANTS.
X{t} = t
Y{t} =   Pu{k,t,mc}+ Pu{b,t,c}
Z{t} = 0

A<t> = <X,Y,Z>
t0 = 0  :  tf = 10:  n = 200    ' Increasing n will result in a more vertical slope.
Plot[A, {t, t0, tf, n}]

' Key Options: Display --> Show Discontinuous --> Yes -- No Markers.
' NOTE: Markers are ONLY available if specialized functions are included.

