Need to complete this in MATLAB

3. Write a function called "funpulseTra inPlot" that plots a square-wave pulse train with inputs N= cycles of a pulse train T= period of signal (sec.) D= duty cycle (0 to 1) A= amplitude The plot should include 50 points per cycle and follow the format for the example below. Write a script that executes the function for the case {N=3,D=0.25,A=3,T=12sec. }. The resulting plot should look like the following