Abstract Linear transformations are widely used in data assimilation for covariance modeling, reducing dimensionality (such as averaging dense observations to form “superobs”), and managing sampling error ensemble assimilation. Here we describe a linear transformation that is optimal the sense that, transformed space, state variables have uncorrelated errors, diagonal gain matrix update step. W...

organizational culture has a considerable impact on investment and acceptance of a new technology system such as knowledge management and especially it can be led to success or failure of knowledge management programs in organization. according to scientific evidences, human characteristics are effective on knowledge management and the process of knowledge management by people contains their pe...