BigNprimeMat.m

function bigNprime = BigNprimeMat(nnpe,nqptv,dndx,dndy,dndz)
% compute the bigB matrix for stiffness matrices used in L_2 projection

bigNprime = zeros(3,nnpe,nqptv);

for i=1:1:nqptv  
    
  for j=1:1:nnpe 
      
      bigNprime(1,j,i) = dndx(j,i);
      bigNprime(2,j,i) = dndy(j,i);
      bigNprime(3,j,i) = dndz(j,i);

  end 
  
end