Build a matrix with a gradual value of intensity and an horizontal line with a constant value

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hi i need to buil a image using the matrx. i ma new to matlab can you help me with this.

Accepted Answer

Davide Masiello
Davide Masiello on 8 Nov 2022
A = repmat(linspace(0,1,1000),500,1);
A(220:280,:) = 0.5;

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