find gradient using sobel filter in matlab

main.m
% Read in the image
im = imread('image.jpg');

% Convert the image to grayscale
im_gray = rgb2gray(im);

% Apply the Sobel filter to compute the gradient in the x and y directions
[Gx, Gy] = imgradient(im_gray, 'Sobel');

% Compute the magnitude and direction of the gradient
[Gmag, Gdir] = imgradient(Gx, Gy);

% Display the results
figure; imshow(im_gray); title('Original Image');
figure; imshowpair(Gx, Gy, 'montage'); title('Gradient in X and Y Directions (Sobel)');
figure; imshowpair(Gmag, Gdir, 'montage'); title('Gradient Magnitude and Direction (Sobel)');
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