Chunk #229 — 3 Inverse solutions — 3.2 Parametric methods — 3.2.2 Beamforming approaches
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In linearly constrained minimum variance (LCMV) beamforming [49], nulls are placed at positions corresponding to interfering sources, i.e. neural sources at locations other than r dip (so δ = 0). The LCMV problem can be written as: