Texas Instruments TI-86 - The MATRX CPLX (Complex ) Menu; Using Mathematical Functions with Matrices

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 1013MATRX.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
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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
L
p
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
N
matrixB
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
.