## Numeric to Ordinal-String

Convert numeric values to a string array of integers with ordinal suffixes. Fully vectorized!

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Convert a numeric array into a string array of the rounded values with ordinal suffixes, e.g. 1 -> "1st".
Similar to MATLAB's IPTNUM2ORDINAL (image toolbox) and NUM2ORDINAL (mapping toolbox) and other files available on FEX, except that NUM2ORD:
• accepts a numeric array of any size,
• accepts a numeric array of any class (float, int or uint),
• returns a string array (not a character array!),
• is fully vectorized (no loops or ARRAYFUN calls are used or required),
• provides the correct ordinal suffixes for numeric values ending in 11, 12, or 13.
The optional second input selects between returning the integer and ordinal suffix (default), or just the ordinal suffix by itself.
Character Output
Examples
>> num2ord(1)
ans = "1st"
>> num2ord(1:6)
ans = ["1st","2nd","3rd","4th","5th","6th"]
>> [str,sfx] = num2ord([1;11;111;1111])
str = ["1st";"11th";"111th";"1111th"]
sfx = [ "st"; "th"; "th"; "th"]
>> num2ord(intmax('int64')-4)
ans = "9223372036854775803rd"
>> num2ord([-1,-0,0;-Inf,NaN,Inf])
ans = ["-1th","-0th","0th";"-Infth","NaNth","Infth"]

### 引用格式

Stephen23 (2023). Numeric to Ordinal-String (https://www.mathworks.com/matlabcentral/fileexchange/42833-numeric-to-ordinal-string), MATLAB Central File Exchange. 检索来源 .

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2.2.0

* Add 2nd output, with just the suffixes.
* Remove the optional 2nd input.

2.1.3

2.1.2

* Update description.

2.1.1

* Update description.

2.1.0

* More robust input class handling.

2.0.4

* Minor edits to Mfile help.

2.0.3

* Include test function.
* Improve examples.

2.0.2

* Correct sreenshot

2.0.1

* Correct screenshot.

2.0.0

* Change to string array output.
* Rename function NUM2ORDINAL -> NUM2ORD.

1.5.2

1.5.1

* Added HTML documentation. Function unchanged.

1.5.0.0

* Improve documentation.

1.4.0.0

1.3.0.0

- Fix minor bug with int* and uint*.

1.2.0.0

- Improve function description, add acknowledgements.

1.1.0.0

- Fix minor bugs with -0, int* & uint* handling.

1.0.0.0