Specific implementation of pressure spatial decomposition based on recongising the time pattern of flowrate variation in pressure response.
It constitutes the key interpretation procedure for PCT.
(1) | X[p_{ukm}] = \left < p_{mi} + \sum_k \int_0^t p_{umk}(t-\tau) \, dq_k(\tau) - p_m(t), \, p_k(t) \right > \rightarrow \min |