Todd

John Deere Construction & Forestry

Last seen: 4 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...

10 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...

10 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...

10 months ago

Solved

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

10 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...

1 year 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.

4 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...

5 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...

6 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 ...

6 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...

7 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 ...

7 years ago | 1

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

7 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:...

8 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...

8 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 ...

8 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...

8 years ago

Solved

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

8 years ago

Solved

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

8 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...

8 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...

8 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...

8 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...

10 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...

10 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 ...

10 years ago