An example of a U.S. classified document; page 13 of a United States National Security Agency report on the USS Liberty incident, partially declassified and released to the public in July 2003. The original overall classification of the page, Top Secret code word UMBRA, is shown at top and bottom.
The Data Analysis Expressions (DAX) language is a formula language that allows users to define custom calculations in calculated columns and measures. DAX includes some of the functions that are used in Excel formulas, and additional functions that are designed to work with relational data and perform dynamic aggregation.
VBA code. A. Built-in MATLAB function. The VBA code below uses the trapz function of MATLAB in order to perform numerical integration using the trapezoidal rule. So, although in Excel you might need a custom VBA function to perform numerical integration, in MATLAB environment this is done by using a simple built-in function.