17 lines
360 B
Matlab
17 lines
360 B
Matlab
function f = dlognorm(x,lambda,zeta)
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%DLOGNORM The log-normal density function
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%
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% f = dlognorm(x,lambda,zeta)
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% Copyright (c) Halfdan Grage, Anders Holtsberg
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if any(any(zeta<=0))
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error('Parameter zeta is wrong')
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end
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neg = find(x <= 0);
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[n1,n2] = size(neg);
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x(neg) = ones(n1,n2);
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f = dnorm(log(x),lambda,zeta)./x;
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f(neg) = zeros(n1,n2);
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