how can i implement the Gaussian potential value code?

2020 2 11
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更新时间：2020 2 13
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If there exists an arbitrary point x={x1,x2,...,xn}, the equation to calculate the potential function of data field on xi is:
potentialOfPoints.PNG
my question is: how can i implement this equation in matlab?

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回答（1 个）

Adam Danz
Adam Danz 2020-2-12
编辑：Adam Danz 2020-2-13

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x is a vector of length n.
I'm assuming sigma is std(x)
phi = sum(exp(-(vecnorm(x(:)-x(:).',2,1) / std(x)).^2));
phi(i) is the output for x(i).

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