Many physical phenomena, such as fluid flow, heat conduction and semiconductor growth include
a diffusion process. The action of the diffusion is a continuous process that has and
increasing effect with time and typically manifests itself as a spreading and smoothing
of the original distribution. This web page is concered with the inverse solution of a
diffusion problems. In particular the recovery of an initial distribution following a
diffusion process.
The operator-splitting method used in this demonstration is described in the following
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In this demonstration, an operator-splitting method is
used as a means for solving a general inverse diffusion problem. The demonstration
uses Microsoft Excel, a
spreadsheet . The Excel program can be downloaded from
inv_diff.xls . The similar forward diffusion simulation
can be donloaded from numerical-methods.com .
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