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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jana 2023-1-10

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编辑： Cris LaPierre 2023-1-10

采纳的回答： Cris LaPierre

a.mlapp

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Answer 1

Cris LaPierre 2023-1-10

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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]);

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jana 2023-1-10

so i did it exactly like u did two element the error says this

Cris LaPierre 2023-1-10

编辑：Cris LaPierre 2023-1-10

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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.