fp_get_lcmv.m

function A = fp_get_lcmv(signal_sensor,L)
% Construct LCMV filter based on sensor signal and leadfield L.
%
% Copyright (c) 2023 Franziska Pellegrini and Stefan Haufe

cCS = cov(signal_sensor(:,:)');
reg = 0.05*trace(cCS)/length(cCS);
Cr = cCS + reg*eye(size(cCS,1));

[~, A] = lcmv(Cr, L, struct('alpha', 0, 'onedim', 0));
A = permute(A,[1, 3, 2]);