this is the app designer file i have this error in the imadjust how to fix it \the file will beattached below

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Accepted Answer

Cris LaPierre
Cris LaPierre on 10 Jan 2023
Your second input is not formatted correctly. It should be a 2 element vector, or a 2x3 numeric matrix. Based on where your semicolons are placed, you are creating a 3x2 element matrix instead (see here)
  • 2-by-3 matrix of the form [low_RGB_triplet; high_RGB_triplet]
Try this
app.TempEffect=imadjust(app.Modifies,[app.LowR, app.LowG, app.LowB; app.HighR, app.HighG, app.HighB]);
  3 Comments
Cris LaPierre
Cris LaPierre on 10 Jan 2023
Edited: Cris LaPierre on 10 Jan 2023
First, see DGM's reply. If would appear your image is not an RGB image, which means you will get an error.
However, here it appears the error is that you have not matched your brackets and parentheses correctly.
% Correct
a = ([1 2 3;4 5 6])
% your error
a = ([1 2 3;4 5 6))
Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

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More Answers (2)

Image Analyst
Image Analyst on 10 Jan 2023
You need to pass in the correct arguments to imadjust, like two two-element vectors, not like what you did. Check the help.

Walter Roberson
Walter Roberson on 10 Jan 2023
You appear to be missing the ] corresponding to the [ that starts your second parameter.

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