Rheolef  7.2
an efficient C++ finite element environment
 
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diffusion_isotropic.h

Tensor diffusion – isotropic case.

Tensor diffusion – isotropic case

struct A {
tensor operator() (const point& x) const { return tensor::eye(d); }
A(size_t d1) : d(d1) {}
size_t d;
};
see the point page for the full documentation
see the tensor page for the full documentation
size_t d
tensor operator()(const point &x) const