ABSTRACT
In the numerical treatment of evolutionary partial differential equations (PDEs), such as the diffusion-reaction system https://www.w3.org/1998/Math/MathML"> ∂ ∂ t u ( x , t ) = Σ j = 1 d ∂ ∂ x j ( Σ i = 1 d c i ( x ) ∂ ∂ x i u ( x , t ) ) + f ( x , u ( x , t ) ) , u ( x , t 0 ) = u 0 ( x ) https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315372068/1fd65cc1-ac69-4716-b992-6eb547d9bf95/content/math6_1.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
