Libraries 665
Libraries
What is a library?
A library is a TI-Nspire™ document that contains a collection of variables,
functions, and/or programs that have been defined as library objects.
Unlike ordinary variables, functions, and programs, which can be used
only within a single problem (the problem in which they are defined),
library objects are accessible from any document. You can even create
public library objects that appear in the TI-Nspire™ Catalog.
For example, suppose you have created library document
matrix
containing public library function diagwithtrace() and a private library
function
errmsg().
Function
diagwithtrace() displays the diagonal of a square matrix and
calculates the trace of the matrix. If its input is not a square matrix, the
function calls
errmsg(), which should then return an appropriate error
string.
You could then use the following syntax to display the diagonal and
calculate the trace of matrix m defined in the current problem:
matrix\diagwithtrace(m)
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