Jarrod Rivituso

MathWorks

Last seen: 3 days ago | Active since 2011

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How can I open importData tool?
I do not believe the Import Tool is available yet in MATLAB Online. Much of the functionality is available within the readt...

6 years ago | 3

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Spectrum Analyzer!! - How to access data/plots from a FFT scope real time
Simulink does allow you to access signal data from MATLAB during simulation via the use of runtime objects. Check out this doc ...

9 years ago | 0

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I'm not able to access my free training
To be able to log in to the _MATLAB Onramp_ course on MATLAB Academy, you must associate your MathWorks Account to your home lic...

9 years ago | 0

Answered
Matlab Academy - Unable to login because the user has no entitled products
To be able to log in to the _MATLAB Onramp_ course on MATLAB Academy, you must have a MathWorks Account associated with a valid ...

9 years ago | 1

Answered
help using Xpath and XML reading
I may be misunderstanding things, but I think you may want to try doing something like this: dictExpr = xpath.compile('//di...

11 years ago | 0

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how to count key presses in limited time?
Oh, you need timer objects and a key press function brah! Also, you gotta stop thinking in loops and start thinking in callback...

11 years ago | 0

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How to change values in XML file?
Working with XML can definitely be tricky! Fortunately, these kinds of things are pretty well documented... <http://www.w3sc...

11 years ago | 0

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Need to create a 3 dimensional matrix of subjects, block numbers and 6 sub condition values within each block.
Is there a reason you want to store things in a 3-dimensional array? Seems you might be better off, at least at first, keeping ...

12 years ago | 0

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Object composition and property updating
I think the way that I would do this is to set the actual properties to be private properties (SetAccess=private,GetAccess=...

12 years ago | 0

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How to store and print comments from a script
Hmm... helpText = help('yourMATLABFileName') Also, you may then want to split each line into a separate string line...

12 years ago | 0

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Answered
Need to make a 4D plot (3D + Colour)
I'm curious how slice doesn't fit your needs. I'm no data visualization expert so please take this as an honest "I'd like to kn...

12 years ago | 1

Answered
Usint integration to calculate the cylinder/rotary actuator flow rate instead of the derivative block
I assume you are using SimHydraulics, correct? Perhaps I am misunderstanding the question, but shouldn't you be able to use a...

12 years ago | 1

Answered
Too many input arguments?
When I did stuff like this, I always just created a wrapper function that does the parameter passing. That would be replacing...

12 years ago | 0

Answered
LTI data extraction
I believe you can use the bode function for that... [mag,phase,freqs] = bode(lin) Also, if you are comparing two systems...

12 years ago | 0

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Answered
How to form this diagonal matrix?
m = 4; M = 1:m; diagVals = exp(j*2*pi*(M-1./M)) E = diag(diagVals) Is that right?

12 years ago | 0

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I am trying to make a s-function in my simulation. it consists of a c program. I have put this c program in matlab folder.But the simulation shows error and says that such a c program does not exist. s function does not allow us to specify the path name
Hmm... if you are writing an S-function by hand, then you should be able to add your other source files when you build it >...

12 years ago | 0

Answered
Convolution using Embedded MATLAB Function Block in simulink
To do this, somewhere in your model you need to have a block that maintains the previous values of the sampled input (the convol...

12 years ago | 1

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Answered
How to set multiple ports for a step input block
I believe you can use a single Step block, and then for the various parameters (such as the Final Value parameter) you can set a...

12 years ago | 1

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Answered
mirrored axes labels with imagesc
Are you referring to the y-axis being in reverse direction? If so, you can set it back... a = rand(5,5) a(3,3) = NaN ...

12 years ago | 0

Answered
text into matrix cell
My solution would involve meshgrid and some fancy arrayfun action (though you could easily replace arrayfun with a for loop) ...

12 years ago | 0

Answered
for loop query
Reshape and fliplr will help you here: m = 3; c = [40,39,36,30,22,21,1,2,3,4,5,6] result = reshape(c,m,[])' result...

12 years ago | 1

Answered
convert to text
I think your step creating e should be E = reshape(D,8,[])' The way you have it now does not properly reorder the string...

12 years ago | 0

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ftp connection
I get the same behavior you get. This works for me though... f=ftp('tgftp.nws.noaa.gov'); cd(f,'data/observations/metar...

12 years ago | 1

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coordinates of pixels in a contour plot
I would just bypass the contour altogether. It seems that you essentially want to find the points where (Am1_r == 0) & (Am2_r...

12 years ago | 0

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Simscape Pneumatic Orifice Problem
I am no expert in pneumatics (I had to make sure I was spelling it right when I typed it just now) but I have a thought. The ...

12 years ago | 1

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Answered
changing the style in a loop with hold all...
Ok I understand your remark about it "feeling wrong" so please don't hate me for suggesting this... However, a little-known tri...

12 years ago | 2

Answered
Removing a block and making connections
I've run into this before. My solution was to find port handles and reconnect. I'm not sure if there is an easier way. Here...

12 years ago | 2

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Answered
Setting priority to data store read/write blocks
A couple general comments for you - If you really are just using Data Stores to avoid drawing signal lines, you'd probably be...

13 years ago | 0

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Answered
simulink components names from vector of strings
Sounds like you just need some string concatenation... for i = 1:length(vector) block2AddSrc = ['library/' vector{i}...

13 years ago | 0

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Answered
Stateflow question: transitions evaluated before state is executed
Hi Iban, I believe that is actually the default behavior. Generally, outer transitions (ones on the super states) are tested...

13 years ago | 0

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Jarrod Rivituso

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