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This function allows us to calculate the theoretical covariance matrix of a non-stationary white noise process.
covmat_nswn(sigma2, n_total)
The theoretical covariance matrix of the non-stationary white noise process.
matrix
A double value for the variance parameter \(\sigma ^2\).
double
An integer indicating the length of the whole non-stationary white noise process.
integer
Yuming Zhang
covmat1 = covmat_nswn(sigma2 = 1, n_total = 1000) covmat2 = covmat_nswn(sigma2 = 2, n_total = 800)
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