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Chapter 3 Analysis Library
© National Instruments Corporation 3-11 LabWindows/CVI Standard Libraries
CxLinEv1D
int
status
=
CxLinEv1D
(double
arrayXReal
[], double
arrayXImaginary
[],
int
numberofElements
, double
aReal
, double
aImaginary
,
double
bReal
, double
bImaginary
,
double
outputArrayReal
[],
double
outputArrayImaginary
[]);
Purpose
Performs a complex linear evaluation of a 1D complex array. The function obtains the ith
element of the resulting complex array by using the following formulas.
yr ar xr ai xi br
iii
=∗−∗ +()
yi ar xi ai xr bi
iii
=∗+∗ +()
The function performs the operations in place; that is, the input and output complex arrays can be
the same.
Parameters
Input
arrayXReal
double-precision
array
Real part of x.
arrayXImaginary
double-precision
array
Imaginary part of x.
numberofElements
integer Number of elements.
aReal
double-precision Real part of a.
aImaginary
double-precision Imaginary part of a.
bReal
double-precision Real part of b.
bImaginary
double-precision Imaginary part of b.
Output
outputArrayReal
double-precision
array
Real part of y.
outputArrayImaginary
double-precision
array
Imaginary part of y.
Return Value
status
integer Refer to error codes in
Table 3-2.