# Todd

### John Deere Construction & Forestry

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**Feeds**

How to Stop Simulation in Test Sequence Block

One method is to add an output signal that drives a Simulation Stop block.

mer än 2 år 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...

mer än 2 år ago | 1 answer | 2

### 1

answerQuestion

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...

mer än 2 år ago | 1 answer | 0

### 1

answerhow 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...

nästan 3 år ago | 0

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...

nästan 4 år ago | 0

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 ...

ungefär 4 år ago | 0

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...

nästan 5 år ago | 0

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 ...

nästan 5 år ago | 1

How to backup my Matlab Favorites

In R2018b it looks like favorites are stored in FavoriteCommands.xml.

nästan 5 år 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:...

mer än 6 år 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...

mer än 6 år 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 ...

mer än 6 år 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...

mer än 6 år ago

Solved

Produce a sine wave

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

mer än 6 år ago

Solved

Produce a cosine wave

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

mer än 6 år 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...

mer än 6 år 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...

mer än 6 år 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...

mer än 6 år 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...

mer än 6 år 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...

mer än 6 år 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...

mer än 6 år 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...

nästan 8 år 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...

nästan 8 år 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 ...

nästan 8 år ago

Solved

Triangle Numbers

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

nästan 8 år ago

Solved

Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

nästan 8 år ago

Solved

Select every other element of a vector

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

nästan 8 år ago

Solved

Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

mer än 8 år ago

Solved

Determine if input is odd

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

nästan 9 år ago