Undefined function 'int' for input arguments of type 'double'.

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Mostfa Abd El-Aziz 2019-4-30

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/459354-undefined-function-int-for-input-arguments-of-type-double

编辑： Stephen23 2019-4-30

fillstates.m

Hello Every Body .. I am anew matlab user and i have an error on my code i hope to solve it

This My Code :

EDIT: Mostfa Abd El-Aziz's "Answer" moved here and code uploaded as a file:

that is my complete code

code describtion : i want to embed cipher text data in dct coefficients of an image using dct based embeded method

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Mostfa Abd El-Aziz 2019-4-30

编辑：Mostfa Abd El-Aziz 2019-4-30

i have run which int in command window and the result is :

>> which int

C:\Program Files\MATLAB\MATLAB Production Server\R2015a\toolbox\signal\signa\@filtstates\int.m % filtstates method

What does it mean ?

Stephen23 2019-4-30

编辑：Stephen23 2019-4-30

"What does it mean ?"

That int is a method of a class in a specific toolbox, and that class just happens to have the very same name as the function that you uploaded. Is that just a coincidence? Did you copy a MATLAB toolbox function/class and try to make changes to it? Why does this class have exactly the same name as your function?

Your usage of int (with four output arguments) does not match the syntax any function named int that I can find. Daniel's assessment is likely correct. But as you still have not answered my very first question, I cannot guess what you are trying to do on that line.

By the way, get rid of clear all (which is totally pointless at the start of a function) and close all from the start of your function (which is totally unrelated to the functionality of your code). They really do not help you (no matter how much beginners love them):

https://en.wikipedia.org/wiki/Anti-pattern

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