zplane (MathScript Function) (Windows, Not in Base Package)

LabVIEW 8.2 Help
August 2006

NI Part Number:
371361B-01

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Member of the filter design class.

Syntax

zplane(a, b)

Plots zeros and poles.

Name	Description
a	Specifies the zeros to plot. If a is a row vector, the zeros are the roots of a polynomial whose coefficients, in decreasing order of power, are a. If a is a column vector, the zeros are the values in a. If a is a matrix, the zeros are the values in each column of a. LabVIEW plots the zeros in different columns of a with different colors.
b	Specifies the poles to plot. If b is a row vector, the poles are the roots of a polynomial whose coefficients, in decreasing order of power, are b. If b is a column vector, the poles are the values in b. If b is a matrix, the poles are the values in each column of b. LabVIEW plots the poles in different columns of b with different colors.

This function is not supported in the LabVIEW Run-Time Engine. This function can remain in your scripts when you build a stand-alone application or shared library, but the LabVIEW Run-Time Engine does not execute this function.

A = [-1, 2, 0; -1+0.2i, 2+0.5i, 0; -1-0.2i, 2-0.5i, 0];
B = [-0.5+0.5i, 1; -0.5-0.5i, 1];
zplane(A, B)