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convert formula into coding form

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Syakira Akmal
Syakira Akmal on 11 Apr 2017
Commented: PPO POT on 11 Sep 2019
Hi, i have this kind of formula
and i want to convert into coding form.Can anyone help me? and I just get confuse whether the formula need to be to a second derivation or just power of 2 the value?
Rik on 11 Apr 2017
What do you actually mean with this syntax? (And I would advise using sqrt instead of ^(1/2).)

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Accepted Answer

Image Analyst
Image Analyst on 11 Apr 2017
Use imgradient():
[Gx, Gy] = imgradientxy(I); % Gx is what you call dx and Gy is what you call dy.
[Gmag, Gdir] = imgradient(Gx, Gy); % Gmag is what you call alpha.
PPO POT on 11 Sep 2019
Dear Munshida P ,
Please give me your original paper that give the equation of AG= 1/((H−1) (W−1))xyG (x, y)√2 to me.

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