Dear Eduardo,
Maybe a stupid question, but why do you want to optimize numerically
a second order polinom?
What's the problem with the analytical solution?
Marci
--
Márton Markó
Wigner Research Centre for Physics
Neutron Spectroscopy Department
address: Budapest, Konkoly Th. M. str 29-33, H-1121, Hungary
mail: Budapest, P.O. Box 49 H-1525 HUNGARY
tel: +36/1-392 2222/1682
fax: +36/1-392 2501
email: [email protected]
On Tue, 12 Aug 2014, ebmb.sci wrote:
Hello All,
please, could someone guide me on how to proceed to minimize the following
polynomial using functions optim and numdiff. Since the parameters A and B
have different constraints (i.e.: A = [0 1] and B = [1000 2000]), how must I
sign the values and pass them for optim? I implemented a basic script to try
to do it, but it always returns with wrong results.
function f = myFc(x)
a = x(1);
b = x(2);
f = 0.000791 + 0.000027*a + -0.000037*b + 0.000180*a*b + -0.000126*a^2 +
-0.000162*b^2;
endfunction
function [f, g, ind] = myFcCost(x, ind)
f = myFc(x);
g = numdiff(myFc, x);
endfunction
x0 = [0 1];
[fopt, xopt] = optim(myFcCost, 'b', [0 1], [1000 2000], x0);
I am so thanks for any help in advance!
Best regards,
Eduardo.
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