What is the difference between convertToString and num2str?

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Cornelius May
Cornelius May 2017-10-24
回答： Jan 2017-10-24
I would like to understand the difference between the two functions "convertToString" and "num2str". I have used both to convert a double value to a string so that it can be displayed using the "disp" function.
I have checked the Matlab documentation, and the "convertToString" function does not seem to be included.
Hopefully somebody can enlighten me as to the differences.

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回答（1 个）

Jan
Jan 2017-10-24
As you have found out already, convertToString() is not a documented function of Matlab. I do not even know this function. So please explain, where you find it:
which convertToString
Either it is not documented, or defined by a user. Maybe the output is an object of the new String class:
s = convertToString(1)
class(s)
while num2str creates a char vector
s = num2str(1)
class(s)

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