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Analysis Library Chapter 3
LabWindows/CVI Standard Libraries 3-10 © National Instruments Corporation
CxDiv1D
int
status
=
CxDiv1D
(double
arrayXReal
[], double
arrayXImaginary
[],
double
arrayYReal
[], double
arrayYImaginary
)[],
int
numberofElements
, double
outputArrayReal
[],
double
outputArrayImaginary
[]);
Purpose
Divides two 1D complex arrays. The function obtains the ith element of the resulting complex
array by using the following formulas.
zr xr yr xi yi yr yi
iiiiiii
=∗+∗ +()/()
22
zi xi yr xr yi yr yi
iiiiiii
=∗−∗ +()/()
22
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.
arrayYReal
double-precision
array
Real part of y.
arrayYImaginary
double-precision
array
Imaginary part of y.
numberofElements
integer Number of elements.
Output
outputArrayReal
double-precision
array
Real part of z.
outputArrayImaginary
double-precision
array
Imaginary part of z.
Return Value
status
integer Refer to error codes in
Table 3-2.