0 个投票

>> cftool
'cftool' requires Curve Fitting Toolbox.
>> ver
-----------------------------------------------------------------------------------------------------
MATLAB Version: 9.5.0.1033004 (R2018b) Update 2
MATLAB License Number: 40783582
Operating System: Microsoft Windows 10 Home Single Language Version 10.0 (Build 17134)
Java Version: Java 1.8.0_152-b16 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
-----------------------------------------------------------------------------------------------------
MATLAB Version 9.5 (R2018b)
Simulink Version 9.2 (R2018b)
Control System Toolbox Version 10.5 (R2018b)
DSP System Toolbox Version 9.7 (R2018b)
Data Acquisition Toolbox Version 3.14 (R2018b)
Image Processing Toolbox Version 10.3 (R2018b)
Instrument Control Toolbox Version 3.14 (R2018b)
Optimization Toolbox Version 8.2 (R2018b)
Signal Processing Toolbox Version 8.1 (R2018b)
Simulink Control Design Version 5.2 (R2018b)
Statistics and Machine Learning Toolbox Version 11.4 (R2018b)
Symbolic Math Toolbox Version 8.2 (R2018b)
>> license('test','Curve_Fitting_Toolbox')
ans =
1
ref : https://in.mathworks.com/matlabcentral/answers/3574-curve-fitting-toolbox-error-before-starting

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 采纳的回答

Walter Roberson
Walter Roberson 2019-3-7

1 个投票

This tells you that you have a license for the Curve Fitting Toolbox but you do not have it installed . You can probably install it by using the add-on explorer

5 个评论
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Yeah but Im encountering the following issue with add on explorer :
I'm connected to the server as I can do Matlab script run.
Walter Roberson
Walter Roberson 2019-3-7
you have an internal firewall that is interfering .
I searched for all apps in windows firewall but couldn't find Matlab.I have attached the crash report I sent to Mathworks .
Walter Roberson
Walter Roberson 2019-3-7
Do you happen to be using a proxy server?
Windows Firewall often has a general block against incoming connections. MATLAB creates separate processes on the same system and tries to use TCP to talk between them by connecting to the same computer: this is often interpreted as "incoming" connection even though the connection originated on the same machine. You may need to add an exception for MATLAB.
Experiment by temporarily disabling Windows Firewall.
Yes I use a proxy server provided by my institution to connect to MATLAB R2018b.I tried disabling firewall and running matlab get add -on feature, but the same message came.

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