Casio CFX-9800G-w Owners Manual - Page 81
n4Row
UPC - 079767128685
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Input the numbers you want to multiply by, followed by the number of the row whose scalar product you want to calculate, and then the number of the row you want the results added to. CIO 02 IXE Elg A I 2 LI 3 II 22 •To add one row to another Example To add row 2 to row 3 in the following matrix (Matrix A), and store the result in row 3. 1 2 (3 4 5 6) Perform the following operation while in the Matrix Mode. E(EDIT) Ft (ED1T) or ITI(R•OP)1D(R +) IRow M-I-ROW n4Row n Input the number of the first row and then the number of the second row. The result will be stored in the second row. 2 io EModifying the Contents of a Matrix You can specify a value for direct substitution in a matrix cell; and you can recall values from a specific cell to perform arithmetic operations on that value -126- •To directly substitute value in a matrix cell Example To substitute a value of 10 in row 1 column 2 of the following matrix (Matrix A). 1 -2 ( 53 64 ) Perform the following operation while in the Matrix Mode. EC= EJE(mat)IWO IECIMEMIM 10+Mat A[1,2] I 10 The following is the basic format for the above procedure. Mat X [r, c) X = Matrix name (A through Z, or Ans) r = row number c = column number • To perform an arithmetic operation using a matrix value Example To multiply the value located at row 2, column 2 in the following matrix (Matrix A) by 5. 1 2) 3 4 \5 6 Perform the following operation while in the Matrix Mode. E(mat)IWID CCOMEICI OWE IMat RE2,2]x5 20 •Deleting, Inserting and Adding Rows Use the following broceburas to delete, insert and add rows in a matrix. Before starting a row delete, insert or add operation, you must first select the matrix you want to work with and then press E(ROW) to display the row editing screen. First, select and recall the matrix you want to edit. Fa (EDIT) 1E(EDIT) or -127-