# creepydog

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Question

Enabled Subsystem does not reliably disable

The Simulink model shown in the screenshot does not behave as I expect, and I would like to understand the reason. All blocks...

2 månader ago | 0 answers | 1

### 0

answersSolved

Remove the polynomials that have positive real elements of their roots.

The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the roots of the p...

nästan 2 år ago

Solved

Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

nästan 2 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 numbers. Otherwise return false. Example...

nästan 2 år ago

Solved

Interpolator

You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

nästan 2 år ago

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:...

nästan 2 år ago

Question

Rank of symbolic matrix is wrong (but too small, not too large)

I get a wrong result using the sym/rank command. I'm aware of the limitations of this command as it does not simplify expression...

nästan 3 år ago | 1 answer | 1

### 1

answerQuestion

Simulation runs fine despite error (index out of bounds)

Hello. Summary For my simple model, Simulink (R2020b) throws an error during Model Update, but afterwards allows me to simulat...

mer än 3 år ago | 1 answer | 1

### 1

answerNumber of necessary time steps to handle a Zero-Crossing?

First of all: Thank you for your efforts! Your guesses are similar to my guesses. ;-) I've been aware of the fact that my minim...

nästan 4 år ago | 0

Question

Number of necessary time steps to handle a Zero-Crossing?

Over the years I have observed that Simulink usually uses 3 time steps to handle a zero-crossing, but in some cases it uses only...

nästan 4 år ago | 2 answers | 0

### 2

answersWhat do TzL & TzR mean in Simulink Debugger ?

I've seen these when debugging zero-crossings. So "z" might mean "zero-crossing", "L" and "R" might be "left" (before) and "righ...

nästan 4 år ago | 0

Question

Integrator State Port: Why is its use restricted?

Hello. I'd like to know why the use of the Integrator Block's State Port is restricted (and I have some more questions, see bel...

ungefär 4 år ago | 2 answers | 1

### 2

answersQuestion

How can I get the figure handle of a Scope window programmatically, given only the Scope block's full path name?

I've got the full path name of a Scope *block* as it is returned by find_system(...), e.g. 'myModel/Scope1'. In order to mani...

nästan 7 år ago | 2 answers | 0