MATLAB: Matlab very slow response

MATLAB and Simulink Student Suiteresponseslowslow response

Others have reported Matlab being very slow. As a newbie, I find this performance extraordinary and very de-motivating. I have signed on and paid for a Student licence £100 ish with a half a dozen apps for control eng
Matlab takes ca 2 mins to intitialise and leaves you with a stuck screen not even giving a rotating wheel to tell you its not stuck.
When putting in even simple expressions these can take a minute to compute (Xcel in a heartbeat). The cursor disappears and the chevrons, takes ages to return
Have I got a crippled version for students?
Is it an on line version ?
should I disable my apps I am not using just now?
I have R2019
and a newish PC W8.1. it runs fine on other stuff. I only have windows defender
surely commercial orgs couldnt put up with this performance
what am I doing wrong?
please help – sorry if this makes me a numpty
Robin
MATLAB Version: 9.7.0.1247435 (R2019b) Update 2MATLAB License Number: STUDENT
Operating System: Microsoft Windows 8.1 Version 6.3 (Build 9600)
Java Version: Java 1.8.0_202-b08 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
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MATLAB Version 9.7 (R2019b)
Simulink Version 10.0 (R2019b)
Control System Toolbox Version 10.7 (R2019b)
Curve Fitting Toolbox Version 3.5.10 (R2019b)
DSP System Toolbox Version 9.9 (R2019b)
Fuzzy Logic Toolbox Version 2.6 (R2019b)
Global Optimization Toolbox Version 4.2 (R2019b)
Image Processing Toolbox Version 11.0 (R2019b)
Instrument Control Toolbox Version 4.1 (R2019b)
Mapping Toolbox Version 4.9 (R2019b)
Model Predictive Control Toolbox Version 6.3.1 (R2019b)
Optimization Toolbox Version 8.4 (R2019b)
Parallel Computing Toolbox Version 7.1 (R2019b)
Partial Differential Equation Toolbox Version 3.3 (R2019b)
Robust Control Toolbox Version 6.7 (R2019b)
Signal Processing Toolbox Version 8.3 (R2019b)
Simulink Control Design Version 5.4 (R2019b)
Simulink Design Optimization Version 3.7 (R2019b)
Statistics and Machine Learning Toolbox Version 11.6 (R2019b)
Symbolic Math Toolbox Version 8.4 (R2019b)
System Identification Toolbox Version 9.11 (R2019b)

Best Answer

this problem has been solved, users must dl then earlier version 2018 of ML and check suitability for W8.1
ML was careless in not advising new users, I wasted 2 days on this problem
hope ML has fixed this
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