Rheolef  7.2
an efficient C++ finite element environment
 
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cosinus_vector.h
Go to the documentation of this file.
1
25struct u_exact {
26 point operator() (const point& x) const {
27 return point(cos(w*(x[0]+2*x[1])),sin(w*(x[0]-2*x[1]))); }
28 u_exact(size_t d) : w(1) {}
29 Float w;
30};
32 Float operator() (const point& x) const {
33 return -w*(sin(w*(x[0]+2*x[1])) + 2*cos(w*(-x[0]+2*x[1]))); }
34 div_u_exact(size_t d) : w(1) {}
36};
see the Float page for the full documentation
see the point page for the full documentation
div_u_exact(size_t d)
Float operator()(const point &x) const
u_exact(size_t d)
point operator()(const point &x) const