Tuesday, June 18, 2019 - 10:15am - 11:15am
Peter Schroeder (California Institute of Technology)
When switching from the smooth world to the discrete world in the computer we need fundamental building blocks to take smooth PDEs (for example) into the discrete setting. One way to do this is to ask, what is the discrete analog of the differential? And what properties should it satisfy? Is it enough if a divided difference converges in the limit, a limit we never actually reach in any given computation?
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