HP Prime Graphing Wireless Calculator Manuel d'utilisateur Page 585

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Pivot
Given a matrix, a row number n, and a column number, m, uses Gaussian elimination to return a matrix with
zeroes in column m, except that the element in column m and row n is kept as a pivot.
pivot(matrix,n,m)
Example:
pivot returns
Trace
Finds the trace of a square matrix. The trace is equal to the sum of the diagonal elements. (It is also equal to
the sum of the eigenvalues.)
TRACE(matrix)
Example:
TRACE returns 5
Advanced
Eigenvalues
Displays the eigenvalues in vector form for matrix.
EIGENVAL(matrix)
Example:
EIGENVAL returns [5.37228... –0.37228...]
Eigenvectors
Eigenvectors and eigenvalues for a square matrix. Displays a list of two arrays. The rst contains the
eigenvectors and the second contains the eigenvalues.
EIGENVV(matrix)
Example:
EIGENVV returns the following matrices:
Jordan
Returns the list made by the matrix of passage and the Jordan form of a matrix.
jordan(matrix)
Matrix functions 537
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