Casio FX-9750GIIWE-L-IH User Guide - Page 77
Row Calculations, To swap two rows, To calculate the scalar multiplication of a row
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S Row Calculations The following menu appears whenever you press (R-OP) while a recalled matrix is on the display. • {Swap} ... {row swap} • {sRw} ... {product of specified row and scalar} • {sRw+} ... {addition of one row and the product of a specified row with a scalar} • {Rw+} ... {addition of specified row to another row} S To swap two rows Example To swap rows two and three of the following matrix: All of the operation examples are performed using the following matrix. 12 Matrix A = 3 4 56 (R-OP)(Swap) Input the number of the rows you want to swap. AUBUU S To calculate the scalar multiplication of a row Example To calculate the product of row 2 and the scalar 4 (R-OP)(sRw) Input multiplier value.* CU Specify row number. AUU * A complex number also can be input as multiplier value (k). S To calculate the scalar multiplication of a row and add the result to another row Example To calculate the product of row 2 and the scalar 4, then add the result to row 3 (R-OP)(sRw+) Input multiplier value.* CU Specify number of row whose product should be calculated. AU Specify number of row where result should be added. BUU * A complex number also can be input as multiplier value (k). 2-39