search for: autocovar

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2006 May 29
0
troubles with kzft
I need to compute the Fourier transformation of the autocovariance function of a panel composed by 196 time series. With autocovarance function i mean a matrix Gamma(u) which contains the covariance of all the variables at time (t) with all the variables evaluated at time (t-u). It can be represented by a tri-dimensional matrix whose dimensions are (196,1...