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creepydog


Last seen: 6 days ago Active since 2017

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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 months 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 + ...

2 months 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...

2 months 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...

2 months 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:...

2 months 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...

1 year ago | 1 answer | 1

1

answer

Question


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...

1 year ago | 1 answer | 1

1

answer

Answered
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...

2 years 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...

2 years ago | 2 answers | 0

2

answers

Answered
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...

2 years 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...

2 years ago | 2 answers | 1

2

answers

Question


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...

5 years ago | 1 answer | 0

1

answer