Description Usage Arguments Details Value Author(s) Examples
Analytic D matrix random walk process
1 | deriv_rw(tau)
|
tau |
A |
The haar wavelet variance is given as nu^2(tau) = (2*tau^2+1)*gamma^2 / (24*tau). Taking the first derivative with respect to gamma_0^2 yields:
(2*tau^2+1) / (24*tau)
The second derivative derivative with respect to gamma[0]^2 is then:
0
.
A matrix
with the first column containing the partial derivative with respect to gamma[0]^2.
JJB
1 |
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