why does it give the error undefined function?

Hi all,

I have written this code but when I run the code it gives the error

"Undefined function or variable imageX"

It is not my first time writing a code and I have other codes working properly except this one. Could someone help me figure out the problem?

here is the code I wrote:

function imageOut = imageX(imageIn,object);
    jpgImage = imread(imageIn);
    spaceRow = size(object,1)-size(jpgImage,1);
    spaceAbove = round(spaceRow/2);
    spaceBelow = spaceRow - spaceAbove;
    jpgImage1 = [255.*ones(spaceAbove,size(jpgImage,2),size(jpgImage,3));jpgImage;255.*ones(spaceBelow,size(jpgImage,2),size(jpgImage,3))];
    spaceColumn = size(object,2)-size(jpgImage,2);
    spaceRight = round(spaceColumn/2);
    spaceLeft = spaceColumn - spaceRight;
    imageOut = [255.*ones(size(jpgImage1,1),spaceLeft,size(jpgImage,3)),jpgImage1,255.*ones(size(jpgImage1,1),spaceRight,size(jpgImage,3))];
    imwrite(imageOut,'imageOut.jpg');
end

[Walter Roberson]

You have not stored the code in imageX.m or the file is not on your MATLAB path.

[Image Analyst]

To put 255 around your image, why not use padarray()?

[Walter Roberson]

K.G. comments to Image Analyst:

thanks I did not know about this function

Answer 1

[help_me]

Since it's a function you can't actually run it by pressing F9 or the green arrow. You have to call it from the command window.

In this case it would be something like:

whatever_your_file_name_is(Input_for_imageIn,Input_for_object)

and hopefully that should work, let me know if it doesn't

Best of luck

[Walter Roberson]

Although it is true that you cannot just press F9 or the green arrow to run the code successfully, the error message would have been different in such a case: it would have been an error about an undefined input value rather than an error about the function not being found.