mat lab problems

95% 2. Open a new m-file and write a user-defined function, f plot3 lastname, where you replace last name. with your last name This function will a) plot 3 lines with line type and line color specified b) control line width b) add a legend c) turn on the grid is ('#2'); REPLACE LASTNAME. WITH YOUR LAST NAME This code will display your function in the command window type f plot lastname m