Unable to Access Signal Processing Toolbox Functions

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Benjamin Lassley
Benjamin Lassley 2019-9-1
评论： Andreas Siggelkow 2022-6-9
Hey all,
I recently installed matlab and the signal processing toolbox for a class I am taking. However, when I try to use a function from this toolbox, I am met with "undefined function or variable 'xxxx'".
I have confirmed with ver that I have both matlab and the toolbox installed, and confirmed with license that I have the license for the toolbox.
>> zvect([1 + j, j, 3 -4*j, exp(j*pi), exp(2j*pi/3)])
Undefined function or variable 'zvect'.
>> ver
-----------------------------------------------------------------------------------------------------
MATLAB Version: 9.6.0.1174912 (R2019a) Update 5
MATLAB License Number: STUDENT
Operating System: Microsoft Windows 10 Home Version 10.0 (Build 17134)
Java Version: Java 1.8.0_181-b13 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
-----------------------------------------------------------------------------------------------------
MATLAB Version 9.6 (R2019a)
Signal Processing Toolbox Version 8.2 (R2019a)
>> license('test','signal_toolbox')
ans =
1
Anyone know what the problem might be? Please help, I just spent $60 on software that isn't working.

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回答（1 个）

Star Strider
Star Strider 2019-9-1
First, run these from a script or your Command Window:
restoredefaultpath
rehash toolboxcache
Then try using the Signal Processing Toolbox functions again.
If your’e still unable to use them, click on the telephone handset icon in the upper right corner of this page to Contact Support.

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