%%Ex. 12 "Clear" a variable

%Naming a variable

%(i) Matlab variables are case sensitive. For example, "ASU" and "asu" are two different
%variables. (ii) An underscore (_) or a number (0-9) can also be part of the name of a
%variable. For example, "MAE_384" is a legitimate variable name. (iii) Some names are
%reserved for special constants. For example (see Ex. 11), "pi" is an intrinsic constant
%with a fixed value of 3.14159...