rSPDE (version 2.4.0)

rSPDE.Ast: Observation matrix for space-time models

Description

Observation matrix for space-time models

Usage

rSPDE.Ast(
  mesh_space = NULL,
  space_loc = NULL,
  mesh_time = NULL,
  time_loc = NULL,
  graph = NULL,
  obs.s = NULL,
  obs.t = NULL
)

Value

Observation matrix linking observation locations to mesh nodes

Arguments

mesh_space

mesh object for models on 1d or 2d domains

space_loc

mesh locations for models on 1d domains

mesh_time

mesh object for time discretization

time_loc

mesh locations for time discretization

graph

MetricGraph object for models on metric graphs

obs.s

spatial locations of observations

obs.t

time points for observations

Examples

s <- seq(from = 0, to = 20, length.out = 11)
t <- seq(from = 0, to = 20, length.out = 5)
n.obs <- 10
obs.loc <- data.frame(x = max(s)*runif(n.obs), 
t = max(t)*runif(n.obs))
A <- rSPDE.Ast(space_loc = s,time_loc = t, 
               obs.s = obs.loc$x, obs.t = obs.loc$t)