given two sets of y and z values, plot a surface plot in matlab

main.m
% define y and z vectors
y = [...];
z = [...];

% create grid of y and z values
[Y, Z] = meshgrid(y, z);

% compute X values (arbitrary function used as example)
X = Y.^2 + Z.^2;

% plot surface
surf(Y, Z, X);
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