# creepydog

Last seen: 1 month 前 自 2017 起处于活动状态

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#### Feeds

Power operator (^) precedence levels and evaluation order
While 2^-1^-2 returns 4, which indicates a "left to right" evaluation order (as it is common in many programming languages), ...

3 months 前 | 1 个回答 | 2

### 1

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...

5 months 前 | 0 个回答 | 1

### 0

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...

2 years 前

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 + ...

2 years 前

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...

2 years 前

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...

2 years 前

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:...

2 years 前

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...

3 years 前 | 1 个回答 | 1

### 1

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...

3 years 前 | 1 个回答 | 1

### 1

Number 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...

4 years 前 | 0

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...

4 years 前 | 2 个回答 | 0

### 2

What 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...

4 years 前 | 0

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...

4 years 前 | 2 个回答 | 1

### 2

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...

7 years 前 | 2 个回答 | 0