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EP matrix. In mathematics, an EP matrix (or range-Hermitian matrix [1] or RPN matrix [2]) is a square matrix A whose range is equal to the range of its conjugate transpose A *. Another equivalent characterization of EP matrices is that the range of A is orthogonal to the nullspace of A. Thus, EP matrices are also known as RPN (Range ...
8 min read. Exocrine pancreatic insufficiency (EPI) causes problems in how you digest food. Your pancreas doesn't make enough of the enzymes that your body needs to break down and absorb nutrients ...
Electrophysiologist. An electrophysiologist — also referred to as a cardiac electrophysiologist, arrhythmia specialist, or EP — is a doctor with a specialization in atypical heart rhythms and ...
If your prescription reads -1.00, that means your eyeglasses need 1 diopter of strength to correct nearsightedness. If your prescription reads +2.50, your eyeglasses need 2.5 diopters of strength ...
The classic symptoms of EPI -- weight loss, greasy and foul-smelling stools that float or are tough to flush, stomach cramps, and diarrhea -- mimic the telltale signs of many other digestive ...
An electrophysiology (EP) study is a test that records the electrical activity and the electrical pathways of your heart in order to determine the best treatment for an abnormal heart rhythm.
Extended-play vinyl record of Michael Nesmith 's "I Fall to Pieces" with four tracks. An extended play ( EP) is a musical recording that contains more tracks than a single but fewer than an album or LP record. [1] Contemporary EPs generally contain up to eight tracks and have a playing time of 15 to 30 minutes. [2]
Tecoma ipe var. integrifolia Hassl. Handroanthus impetiginosus, [3] the pink ipê, pink lapacho or pink trumpet tree, is a tree in the family Bignoniaceae, distributed throughout North, Central and South America, from northern Mexico south to northern Argentina. Along with all the other species in the Handroanthus genus, it is the national tree ...