 ### Doc improvement

parent 6546b29c
 ... ... @@ -45,16 +45,42 @@ * The table applyTab provides the indices in the reduced storage table * corresponding to the application scheme depicted earlier. * * PB: BEWARE! Homogeneous matrix kernels do not support cell width extension * \warning BEWARE! Homogeneous matrix kernels do not support cell width extension * yet. Is it possible to find a reference width and a scale factor such that * only 1 set of M2L opt can be used for all levels?? * * The definition of the potential p and force f are extended to the case * of tensorial interaction kernels: * *\f\$ p_i(x) = K_{ip}(x,y)w_p(y),\f\$ \f\$ \forall i=1..NPOT, p=1..NPV\f\$ * * \f\$f_{ik}= w_p(x)K_{ip,k}(x,y)w_p(y)\f\$ * * Since the interpolation scheme is such that * *\f\$ p_i(x) \approx S^m(x) L^{m}_{ip}\f\$ * * \f\$f_{ik}= w_p(x) \nabla_k S^m(x) L^{m}_{ip}\f\$ * * with * * \f\$ L^{m}_{ip} = K^{mn}_{ip} S^n(y) w_p(y)\f\$ (local expansion) * *\f\$ M^{m}_{p} = S^n(y) w_p(y)\f\$ (multipole expansion) * * then the multipole exp have NPV components and the local exp NPOT*NPV. * * NB1: Only the computation of forces requires that the sum over p is * performed at L2P step. It could be done at M2L step for the potential. * * NB2: An efficient application of the matrix kernel is highly kernel * dependent, we recommand overriding the P2M/M2L/L2P function of the kernel * you are using in order to have opsimal performances + set your own NRHS/NLHS.* */ //////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////// // /// // Tensorial Matrix Kernels (NCMP>1) // // The definition of the potential p and force f are extended to the case ... ...
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!