Todd

John Deere Construction & Forestry

Last seen: 2 days ago | Active since 2011

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Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

2 months ago

Solved

Convert from Fahrenheit to Celsius
Given an input vector F containing temperature values in Fahrenheit, return an output vector C that contains the values in Celsi...

2 months ago

Solved

Calculate Amount of Cake Frosting
Given two input variables r and h, which stand for the radius and height of a cake, calculate the surface area of the cake you n...

2 months ago

Solved

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

2 months ago

Answered
How To Reset Dragged Port Order
Putting this here so that it can be marked as the answer: As mentioned by @Andrea Amorosi there is a "reset ports" button on th...

6 months ago | 1

Answered
How can I use sample time internally in Stateflow
Came here to look for a better solution. Here are two imperfect solutions. 1) Use temporal logic, ex. after(5,sec). This make...

1 year ago | 0

Answered
How to Stop Simulation in Test Sequence Block
One method is to add an output signal that drives a Simulation Stop block.

3 years ago | 0

Question

Why can't I create a test harness on a subsystem in a reference subsystem?
I can create a Simuilnk Test harness on a subsystem in a model, which is fantastic. However, I cannot create a test harness on a...

4 years ago | 1 answer | 2

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answer

Question

How do I create a bus object from existing bus element ports
I can use Simulink.Bus.createObject to create a bus object from a bus creator block. How do I create a bus object from a bus def...

4 years ago | 1 answer | 0

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answer

Answered
how to change the display accuracy of cursor data in simulation data inspector
Here's a workaround: Export the plots to a figure, and you can configure data tip format, and do many other things that you can...

4 years ago | 0

Answered
How can I find the top level of the entire system from within an active model reference?
If your reference model is open in a tab of your top model (R2020a+) then you can try this: h = gcbp; sys = bdroot(h.getBlock...

5 years ago | 0

Answered
cross product of by an array
You can represent a cross product as a matrix product a X b = tilde(a)*b where tilde(a) is a skew-symmetric matrix defined by ...

5 years ago | 0

Answered
How to implement end position cushioning in a double-acting pneumatic cylinder?
If your cushion works by cutting off air flow out of the cylinder, you can model it as an orifice with an area that changes with...

6 years ago | 0

Answered
Why doesn't my Simscape displacement doesn't match input
One factor is that a step has an infinite derivative, so would be highly sensitive to numerical error. You could try replacing ...

6 years ago | 1

Answered
How to backup my Matlab Favorites
In R2018b it looks like favorites are stored in FavoriteCommands.xml.

6 years ago | 4

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

7 years ago

Solved

Model a simple pendulum
Model a simple pendulum of length 200cm with bob of mass 100g and plot the position in degrees. The pendulum starts at 30 degree...

7 years ago

Solved

Make a low pass filter
Make a first order low pass filter that will filter out the high frequency oscillations for the given input signal. The cut-off ...

7 years ago

Solved

Model a mass spring system
Model an ideal mass-spring system shown below where the spring is initially stretched. <<http://blogs.mathworks.com/images/se...

7 years ago

Solved

Produce a sine wave
Produce a sine wave with amplitude 3: <<http://blogs.mathworks.com/images/seth/cody/sine-eqn.png>>

7 years ago

Solved

Produce a cosine wave
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/cosine-eqn.png>>

7 years ago

Solved

Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

7 years ago

Solved

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

7 years ago

Solved

Connect blocks in a model
Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

7 years ago

Solved

Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

8 years ago

Solved

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

8 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...

8 years ago

Solved

Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

9 years ago

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

9 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 ...

9 years ago