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Converting Stencil notation to a Matrix

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August 10, 2020, 09:01	Converting Stencil notation to a Matrix	#1
balkiii New Member Balakrishna Join Date: Aug 2020 Posts: 4 Rep Power: 7	I am working on this theoretical problem where I have a finite difference equations derived. The consequence of this equation is a laplacian stencil: 0&0&-1&0&0\\ 0&0&0&0&0\\ -1&0&4&0&-1\\ 0&0&0&0&0\\ 0&0&-1&0&0\\ I have problems with converting this stencil in to a generalized matrix. Is there a method to do it other than writing seperate equation for each grid point? Thanks in advance

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