This will create the following dialog box which allows the user to enter information as needed: % Convert these values to a number using str2num. % The main title of your input dialog interface. % Create all your text fields with the questions specified by the variable prompt. The ‘s’ option will save the variable ‘name’ as a String now.Īnother method to gather user information, is through the use of a input dialog box, and the command inputdlg: Name = input( 'What is your name? :','s') ĭisp() Then include the following at the end of your script instead: Let’s say you want to input non-numerical data such as a string. Now if the user runs the following commands at the command prompt, they will be queried as follows: Height = input( 'Enter your height in meters: ') Weight = input( 'Enter your weight in kilograms: ') % Check the number of input arguments (nargin) These lines will be added after the comments and before the bmi calculation. Let’s see how we can get around this using the command nargin and input. While this is certainly a viable solution, often the user will not explicitly provide the weight and height into the argument fields. % Given that weight is in kilograms and height is in meters. % Calculate the body mass index of an individual.
One way this can often be done is through a function such as calc_bmi. Take the example of a program where you are evaluating the body mass index (BMI) of an individual. The most basic of which is the command line based “input”. There are several options available to you, and we will run through many of them here. While you will often need to display information to the user, you will have to request data from them as well. As a simple tutorial to get back into the swing of things, let’s look at several different ways of requesting user input in your MATLAB programs. Sorry for the delay in postings, but many of us are in the state of transition, whether its school, weddings or work.
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