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problem fminunc

Started by nisticos2000 November 26, 2002
does anyone know how to overcome this problem (that would really help
me out):

I'm using the function fminunc to minimize a loglikelihood function
computed through kalman filter udpating, but it keeps sending me the
warning message: Matrix is close to singular or badly scaled. Is
there any way to detect what's the problem and how to fix it?

thanks in advance to anyone will reply