MATLAB ONLY PLEASE

Vectorize this code snippet;

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x = -1.0:0.2:1.0; y = -2:0.25:3;

length_x = length(x);

length_y = length(y);

for nx=1:length_x

for ny=1:length_y

result(nx, ny) = exp(x(nx)^2-y(ny)^2);

end

end

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