The authors regret that there were some errors in the equations in section 2.2.4. of their original paper and apologise for any inconvenience caused. The corrected equations can be found below and have been updated in the online version of the paper.

  • According to the principle of information diffusion, the information carried by the sample points in P is allocated to the points in according to by the MND, the formula is as follows (Yu et al. 2020; Zhang et al. 2022):
    (12)

The diffusion coefficient is calculated by the following formula (Liu et al. 2018):
(13)
where ⁠, ⁠.

  • The information matrix Q of P on U is calculated according to Step (2), and the weight W of information assigned to each point in the domain is calculated as follows (Lu et al. 2014):
    (14)
    (15)

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