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I am simply trying to get through a Tutorial online and am having a problem running a simple string. It is returning the error:Undefined function 'string' for input arguments of type 'char'.
I am typing: >> a = string('Hi how are you') Undefined function 'string' for input arguments of type 'char'.
This is my first time using MatLab. Do I have to engage this feature to use it? I am pretty sure I have it typed in correctly.

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Steven Lord
Steven Lord 2018-4-4
What release of MATLAB are you using? If you're not sure, look at the output of the ver function.
Phil Sibley
Phil Sibley 2018-4-4
I am using version 2016a which answers the question. I did find that by typing in:
a={'Hello' 'Goodbye'; 'Yes' 'No'; 'what are you doing' 'by the way'}
it seems to solve the same function. What is the difference?
Stephen23
Stephen23 2018-4-4
编辑：Stephen23 2018-4-4
Different classes of data:
a = {...} % cell array
b = "..." % string
https://www.mathworks.com/help/matlab/matlab_prog/fundamental-matlab-classes.html
Some functions accept inputs arguments of different classes, some don't. It depends on the function.
By the way, the best place to start to learn MATLAB is here:
https://www.mathworks.com/help/matlab/getting-started-with-matlab.html

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Stephen23
Stephen23 2018-4-4
编辑：Stephen23 2018-4-4

0 个投票

Your version of MATLAB does not support the string class.
"String arrays were introduced in R2016b":
source: https://www.mathworks.com/help/matlab/matlab_prog/create-string-arrays.html

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