HP hp39gPlus User Guide - Page 180
Creating and storing matrices
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Creating and storing matrices You can create, edit, delete, send, and receive matrices in the Matrix catalog. To open the Matrix catalog, press MATRIX. You can also create and store matrices-named or unnamed--in HOME. For example, the command: POLYROOT([1,0,-1,0])XM1 stores the root of the complex vector of length 3 into the M1 variable. M1 now contains the three roots of x3 - x = 0 Matrix Catalog keys The table below lists the operations of the menu keys in the Matrix Catalog, as well as the use of Delete ( ) and Clear ( CLEAR). Key CLEAR or Meaning Opens the highlighted matrix for editing. Prompts for a matrix type, then opens an empty matrix with the highlighted name. Transmits the highlighted matrix to another hp 39g+ or a disk drive. See "Sending and receiving aplets" on page 17-4. Receives a matrix from another hp 39g+ or a disk drive. See "Sending and receiving aplets" on page 17-4. Clears the highlighted matrix. Clears all matrices. Moves to the end or the beginning of the catalog. 13-2 Matrices
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