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The matrx cplx (complex ) menu, Using mathematical functions with matrices – Texas Instruments TI-86 User Manual

Page 197

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Chapter 13: Matrices

185

13MATRX.DOC TI-86, Chap 13, US English Bob Fedorisko Revised: 02/13/01 2:32 PM Printed: 02/13/01 3:03 PM Page 185 of 10

13MATRX.DOC TI-86, Chap 13, US English Bob Fedorisko Revised: 02/13/01 2:32 PM Printed: 02/13/01 3:03 PM Page 185 of 10

The MATRX CPLX (Complex ) Menu

- ‰ *

NAMES

EDIT

MATH

OPS

CPLX

conj

real

imag

abs

angle

conj

complexMatrix

Returns a matrix in which each element is the complex conjugate of the
corresponding element of a complexMatrix

real

complexMatrix

Returns a real matrix in which each element is the real portion of the
corresponding element of a complexMatrix

imag

complexMatrix

Returns a real matrix in which each element is the imaginary portion of
the corresponding element of a complexMatrix

abs

matrix

Returns a real matrix in which each element is either the absolute value
of the corresponding element of a real matrix or the magnitude
(modulus) of the corresponding element of a complex matrix

angle

complexMatrix

Returns a real matrix in which each element is either

0

if the element of

complexMatrix

is real or the polar angle if the element of complexMatrix

is complex; the polar angles are calculated as

tan

L

1

(

imaginary

/

real

)

adjusted by +

p in the second quadrant and by Lp in the third quadrant

Using Mathematical Functions with Matrices

matrixA

+

matrixB

Adds each matrixA element to the corresponding matrixB element;
returns a matrix of the sums

matrixA

NmatrixB

Subtracts each matrixB element from the corresponding matrixA
element; returns a matrix of the differences

To add or subtract two
matrices, the dimensions of

matrixA

must equal the

dimensions of

matrixB

.