second difference matrix

Version 1.0.0 (19,9 ko) par David
note about second difference matrix and dimension reduction
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Mise à jour 20 nov. 2024

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Clarification on the examples presented in Gilbert Strang. Introduction to linear algebra. Wellesley-Cambridge press, 5th ed edition. Chapter 10.2. Matrices in Engineering. There were some redundant columns in matrices displayed within the text without comment - I'm beating this issue to death here. The extra columns were permissible because of the special boundary conditions in the problem; and but the reasoning behind dropping a row and a column from the forward matrix is due to dimensionality reduction between the domain and co-domain of each difference matrix - not the boundary conditions which I thought was implied.

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David (2025). second difference matrix (https://fr.mathworks.com/matlabcentral/fileexchange/176108-second-difference-matrix), MATLAB Central File Exchange. Extrait(e) le .

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1.0.0