laplacian.cpp

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#include "laplacian.h"
 
// 1-D Constructor
Laplacian::Laplacian(u16 k, u32 m, Real dx)
{
    Divergence div(k, m, dx);
    Gradient grad(k, m, dx);
 
    // Dimensions = m+2, m+2
    *this = (sp_mat)div*(sp_mat)grad;
}
 
// 2-D Constructor
Laplacian::Laplacian(u16 k, u32 m, u32 n, Real dx, Real dy)
{
    Divergence div(k, m, n, dx, dy);
    Gradient grad(k, m, n, dx, dy);
 
    // Dimensions = (m+2)*(n+2), (m+2)*(n+2)
    *this = (sp_mat)div*(sp_mat)grad;
}
 
// 3-D Constructor
Laplacian::Laplacian(u16 k, u32 m, u32 n, u32 o, Real dx, Real dy, Real dz)
{
    Divergence div(k, m, n, o, dx, dy, dz);
    Gradient grad(k, m, n, o, dx, dy, dz);
 
    // Dimensions = (m+2)*(n+2)*(o+2), (m+2)*(n+2)*(o+2)
    *this = (sp_mat)div*(sp_mat)grad;
}