His iap uses material in the 5th edition of MATLAB for Engineers. Part I Read or skim Chapter 15, Follow the steps to create the Polygon GUI, your GUI should match Figure 15.12. Part II Create a GUI...

Extracted text: His iap uses material in the 5th edition of MATLAB for Engineers. Part I Read or skim Chapter 15, Follow the steps to create the Polygon GUI, your GUI should match Figure 15.12. Part II Create a GUI to add two numbers together. It should include the following: • Title, located in a static textbox • Three edit textboxes, used to enter the numbers to be added and the result • Static textbox to hold the + symbol • Pushbutton to hold the = symbol Edit the pushbutton section of the program to include the following: num1 = str2num(get(handles.edit1,'string')) num2 = str2num(get(handles.edit2,'string')) sumofnos=num1+num2 set(handles.edit3,'string', num2str(sumofnos)) Using comments explain the purpose of each line above.