freq = 1/(2*pi);
str = "Sine Wave, Frequency = " + freq + " Hz"
str =
"Sine Wave, Frequency = 0.15915 Hz"
title(str)
Sometimes existing text is stored in character vectors or cell arrays of character vectors. However,
the plus operator also automatically converts those types of data to strings when another operand is
a string. To combine numeric values with those types of data, first convert the numeric values to
strings, and then use plus to combine the text.
str = 'Sine Wave, Frequency = ' + string(freq) + {' Hz'}
str =
"Sine Wave, Frequency = 0.15915 Hz"
Character Codes
If your data contains integers that represent Unicode® values, use the char function to convert the
values to the corresponding characters. The output is a character vector or array.
u = [77 65 84 76 65 66];
c = char(u)
c =
'MATLAB'
6 Characters and Strings
6-46