a symmetric matrix with all of its entries equal to zero except may be the ones on the diagonal

If is a vector of length , the corresponding diagonal matrix is defined by / if == / = , \ \ 0 otherwise EXAMPLE.KBF You can use the Load command to load the example study file \KBF\DATA\EXAMPLE.KBF. This study determines the position of a ship using range measurements to two shore stations. Many of the sections of this help file contain a discussion of how they pertain to this particular example. The Example section contains a detailed description of this example.

A matrix whose nondiagonal cells all have values of 0.

In linear algebra, a diagonal matrix is a square matrix in which the entries outside the main diagonal are all zero. The diagonal entries themselves may or may not be zero.