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How can I make a gaussian function in matlab?

How can I make a gaussian function in matlab?

(OP)
Divide each input image into nr × nc blocks;
for (r = 1; r ≤ nr; r++)
for (c = 1; c ≤ nc; c++)

and this(See the attachment):

RE: How can I make a gaussian function in matlab?

(OP)
Sorry the image was error
Like this:
Grc(x, y) = exp{−[(x − xrc)^2+ (y − yrc)^2]/2σ^2}

RE: How can I make a gaussian function in matlab?

Is there a question here?

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