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Tracing in software engineering refers to the process of capturing and recording information about the execution of a software program. This information is typically used by programmers for debugging purposes, and additionally, depending on the type and detail of information contained in a trace log, by experienced system administrators or technical-support personnel and by software monitoring ...
Trace (linear algebra) In linear algebra, the trace of a square matrix A, denoted tr (A), [1] is defined to be the sum of elements on the main diagonal (from the upper left to the lower right) of A. The trace is only defined for a square matrix ( n × n ). It can be proven that the trace of a matrix is the sum of its eigenvalues (counted with ...
eTrace. eTrace is an Internet-based firearm trace request submission system, developed by the United States' federal government, Bureau of Alcohol, Tobacco, Firearms and Explosives, that provides for the electronic exchange of traced firearm data in a secure internet-based environment. Participating law enforcement agencies (domestic and ...
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The Trace is an American non-profit journalism outlet devoted to gun-related news in the United States. It was established in 2015 with seed money from the largest gun control advocacy group Everytown for Gun Safety , which was founded by former New York City mayor Michael Bloomberg , and went live on 19 June of that year.
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Trade reporting and compliance engine ( TRACE ), is a United States financial reporting regulation and related system for publicly reporting bond transactions. Unlike stocks, which generally trade transparently on public exchanges, corporate bonds and structured products trade "over-the-counter", meaning they are private transactions between ...
Definition. The exponential of a matrix A is defined by =!. Given a matrix B, another matrix A is said to be a matrix logarithm of B if e A = B.. Because the exponential function is not bijective for complex numbers (e.g. = =), numbers can have multiple complex logarithms, and as a consequence of this, some matrices may have more than one logarithm, as explained below.