Casio FX-CG10 Software User Guide - Page 103
Complex Number Calculations with a Matrix, Matrix Calculation Precautions
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u Complex Number Calculations with a Matrix Example To determine the absolute value of a matrix with the following complex number elements: -1 + i 1 + i Matrix D = 1 + i -2 + 2i K6(g)4(NUMERIC)1(Abs) K2(MAT)1(Mat)as(D)w • The following complex number functions are supported in matrices. i, Abs, Arg, Conjg, ReP, ImP, 'a+bi, 'r∠θ Note, however, that "'a+bi" and "'r∠θ" cannot be used in the Linear input/output mode. Matrix Calculation Precautions • Determinants and inverse matrices are subject to error due to dropped digits. • Matrix operations are performed individually on each cell, so calculations may require considerable time to complete. • The calculation precision of displayed results for matrix calculations is ±1 at the least significant digit. • If a matrix calculation result is too large to fit into Matrix Answer Memory, an error occurs. • You can use the following operation to transfer Matrix Answer Memory contents to another matrix. MatAns → Mat α In the above, α is any variable name A through Z. The above does not affect the contents of Matrix Answer Memory. 2-57