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Jarrod Rivituso


MathWorks

148 total contributions since 2011

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Answered
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...

1 year ago | 3

| accepted

Submitted


XMLNode
MATLAB class that allows you to use XPath to navigate and extract data from an XML document.

2 years ago | 4 downloads |

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Submitted


File I/O C S-function Example
A simple C S-function which reads data from a file during simulation.

2 years ago | 11 downloads |

Answered
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 ...

4 years ago | 0

| accepted

Answered
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...

4 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 ...

4 years ago | 1

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

5 years ago

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...

6 years ago | 0

| accepted

Answered
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...

6 years ago | 0

| accepted

Answered
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...

6 years ago | 0

| accepted

Answered
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 ...

7 years ago | 0

| accepted

Solved


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

7 years ago

Solved


More luck than brains
Give a random function that guess and return numbers from 1 to 6 exactly like the test suite .

7 years ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

7 years ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

7 years ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

7 years ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

7 years ago

Solved


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

7 years ago

Solved


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

7 years ago

Solved


Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

7 years ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

7 years ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

7 years ago

Answered
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=...

7 years ago | 0

Answered
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...

7 years ago | 0

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...

7 years ago | 1

Solved


Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

7 years ago

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...

7 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...

7 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...

7 years ago | 0

| accepted

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?

7 years ago | 0

| accepted

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