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Doug Eastman

MathWorks

Actif depuis 2011

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A répondu
Strange behavior: gain bocks which integrate step inputs
The issue with the lines being slanted is due to the fact that Simulink sees these signals as continuous so it will connect the ...

environ 11 ans il y a | 0

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

environ 11 ans il y a

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Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

environ 11 ans il y a

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

environ 11 ans il y a

A répondu
How do I change Design Verifier default confinguration parameter preferences?
Hi Erik, I don't know of a way to set the default options for Simulink Design Verifier, however using the command line versio...

environ 11 ans il y a | 0

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Why does XY Graph affect algebraic loop solver?
The problem is that adding blocks to your model (such as the XY Graph) causes the <http://www.mathworks.com/help/simulink/ug/con...

plus de 11 ans il y a | 0

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How can I set that only one of the subservers can be used at a time?
Here are two possibilities: 1) Do you really need two separate server blocks? The simplest solution might be to set an entity...

plus de 11 ans il y a | 0

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How to retrieve a subblock name at initalization.
Another simpler option might be to just use a constant block with the value: uint8('LookupKey') You could then hide the ...

plus de 11 ans il y a | 0

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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...

presque 12 ans il y a

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Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

presque 12 ans il y a

A répondu
SINEWAVE IN SCOPE (simscape)
To see the sinusoidal voltage variation you need to reduce the step size of the simulation. Go to Simulation -> Configuration Pa...

environ 12 ans il y a | 2

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How do I run a simulink model in real-time in normal mode
Running in real-time in normal mode is a new feature of Real-Time Windows Target in R2012a. To run in real-time you do need to a...

environ 12 ans il y a | 0

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How to close Simulink model subsystems
Assuming your top-level model is called TopModel you could use: a = find_system('Parent','TopModel'); close_system(a)

environ 12 ans il y a | 0

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Analog circuits in Simulink
The error seems to indicate that you are missing a solver block, but you have one in the image you've attached. For the case of ...

environ 12 ans il y a | 0

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Moving from video to 3D Environment
<http://www.mathworks.com/products/3d-animation/demos.html Simulink 3D Animation> should allow you to do what you are looking fo...

environ 12 ans il y a | 0

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Number of toolboxes?
Return a number equal to the number of toolboxes available to the Cody solvers.

environ 12 ans il y a

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Specific toolboxes
Given a string that is the name of a MATLAB toolbox, return true if it is available on the Cody solvers evaluation system, false...

environ 12 ans il y a

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Similar Triangles - find the height of the tree
Given the height, h1, of a power pole, shorter than a tree, a given distance, x2 away, please find h2, height of the tree. Pleas...

environ 12 ans il y a

A répondu
xpc target
Yes, you have the basic idea correct. If you haven't already I recommend reading through the <http://www.mathworks.com/products/...

environ 12 ans il y a | 0

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Multiprocessing in Simulink
The primary mechanism to leverage a multi-core or multi-processor system with Simulink is to run multiple simulations in paralle...

environ 12 ans il y a | 1

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Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

environ 12 ans il y a

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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...

environ 12 ans il y a

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Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

environ 12 ans il y a

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

environ 12 ans il y a

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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

environ 12 ans il y a

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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...

environ 12 ans il y a

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

environ 12 ans il y a

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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...

environ 12 ans il y a

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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...

environ 12 ans il y a

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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...

environ 12 ans il y a

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