Dear R-helpers,
I have 3 thermometers measuring soil temperature at 3 levels every 10
minutes. I want to determine the soil diffusivity, by solving the heat
equation. The heat equation is a partial differential equation. In my case,
the initial values are know and the boundary conditions are given by 2 time
series: Tz1 and Tz3. These are measured temperatures at 2 levels.
I tried deSolve and bvpSolve, but apparently they do not provide a
numerical solution for this kind of boundary conditions (dirichlet boundary
condition?).
Help would be appreciated, since my calculus was selectively forgotten some
10 years ago....
All the best,
J
--
José Miguel Delgado
Lisboa
Portugal
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