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Jamie


Active since 2011

Professional Interests: control systems

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How to convert a large .mat file of (default format ~ 7) to a 7.3 MAT-file / HDF5 based format when the file is too large to load.
I have a program which exports .mat files in the default .mat format - I believe it v7 MAT-file? Due to the size I am unable t...

6 years ago | 1 answer | 0

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answer

Question


Insufficient storage (activex) - unable to complete operation - pulling in excel data more quickly.
Hi All, I have some reasonably large excel files to process (200-800mb). After a bit of dabbling and on review of the numero...

6 years ago | 0 answers | 1

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answers

Answered
Renaming simulink mdl files
Hi Andreas, Thank you kindly for the response. The issue would indeed appear to be linked to the bug report you provided (the...

9 years ago | 0

Answered
Help linearizing simulink model. "The value of the "A" property must be a numeric array without any Inf's or NaN's"
The error refers to the state matrix that is returned from the lin operation and simply indicates that the state matrix computed...

9 years ago | 0

| accepted

Question


Renaming simulink mdl files
When renaming simulink model files (mdl/slx), whether using 'save as' or renaming the file within windows explorer I recieve the...

9 years ago | 2 answers | 0

2

answers

Answered
can someone tell my what does this do please..?? set(gca, 'XTick', [])
Hi Jonathan, The command sets the axis tick labels for the current figure. gca gets the axis of the current figure (Get Cur...

9 years ago | 0

Answered
Transfer Function nyquist diagam overshoot problem
Hi Robert, Your system is already marginally stable. You can see the poles if you type pzamp(H) ~ all are in the left hal...

9 years ago | 0

Answered
Invalid property: Returned figure handles not valid
Thank you both kindly! I've been scratching my head for the past couple of days on that one. My 'test figures' obviously didnt i...

9 years ago | 0

Question


Invalid property: Returned figure handles not valid
When using the command Hndl = get(gcf,'Children') to obtain the axis handles of a 3x1 subplot I am recieve more handles t...

9 years ago | 3 answers | 1

3

answers

Answered
how to give the input of the wind turbine and how to control the pitch angle
Hey Raju, Can you be a little more specific? Perhaps attach a pic of you block diagram? What specifically is the problem? ...

9 years ago | 0

Answered
plot and save figures WITH the white margin
Hi Razvan, Its been a while but I believe the width of the margin is determined by the PaperSize propery. If you open the...

9 years ago | 0

Answered
Making a piecewise linear plot
Hi Carlos, Many way to do this. For a piecewise cont func try this t=[0:0.1:32]; y = 40/32*t; plot(t,y) hold on ...

9 years ago | 0

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fourier series - fourier transform
Hey Ebi, The choice of fourier transform or fourier series simply depends on whether the signal is periodic or aperiodic. ...

9 years ago | 0

Answered
How to Import Matlab Figures?
Hi David, have you tried openfig? http://www.mathworks.com.au/help/matlab/ref/openfig.html Cheers

9 years ago | 0

| accepted

Question


Help linearizing simulink model. "The value of the "A" property must be a numeric array without any Inf's or NaN's"
I have constructed a linear simulink model from a nonlinear model. The linear representation is included as an ss block. A cont...

9 years ago | 1 answer | 0

1

answer

Answered
How to get values from the plot
Hi Josef, have a look here - http://www.mathworks.com.au/support/solutions/en/data/1-A6PBV2/ there is also an example for obtain...

9 years ago | 0

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Answered
working with transfer function, overflow error
Hi upna, I note this post is rather old. I trust you've long since resolved the issue. In the off-chance.. in this situati...

9 years ago | 0

Answered
H infinity, Robust Control, [a b2;c1 d12] does not have full column rank at s=0 error
Have you checked to see if you have any poles on the imaginary axis? If so (as is likely the case) can this dependant state ...

9 years ago | 0

Question


Identify an array of arbitrary minimum values. Alternatives to min / find ?
I would like to identify the occurences (index) of an arbitrary value within a Vector. The values I wish to identify will be clo...

10 years ago | 1 answer | 0

1

answer

Answered
How to obtain State space model response ?
In the ofchance that others are also having a little bit or trouble plotting the system response a couple of simple examples are...

10 years ago | 0

Question


Error - opening simulink .mdl results in a call to and the running of an alternate model...
I have a simulink .ml file that I have been working on for the past couple of weeks. As of a few days ago when I open the desire...

10 years ago | 1 answer | 1

1

answer

Question


contious time model - linear analysis toolbox
I've been using the linear analysis toolbox quite a bit lately for generating linear models within simulink. >> Tools / control ...

11 years ago | 1 answer | 0

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answer