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Andrew Ouellette

Last seen: 4 dagen ago |  Active since 2020

Followers: 0   Following: 0

Programming Languages:
Python, C++, C, Java, MATLAB, HTML
Spoken Languages:
English
Professional Interests:
Control Systems

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  • 3 Month Streak
  • Knowledgeable Level 2
  • First Answer
  • Introduction to MATLAB Master
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Answered
Bodeplot with XLim option does not rescale y-axis in R2024b
Hello Tor, This is a side effect of the update to charts in R2024b. The chart's Y limits are no longer linked to its X limits. ...

10 dagen ago | 0

| accepted

Answered
Change marker colour of pzplot
Hi Jan, Starting in 24b, we introduced new chart and response objects for pzplot(). Each model you input to pzplot() will gene...

21 dagen ago | 0

| accepted

Answered
MATLAB R2024 Rb
Hi Shahin, 2 notes: 1) In R2024b as of update 2, rlocusplot() generates an incorrect response for improper models. This bug wi...

2 maanden ago | 0

Answered
Simulating the impulse response of a higher order filter.
Hello, You are encountering this behavior because your cascaded system is poorly conditioned numerically. Hopefully this is not...

3 maanden ago | 0

Answered
How can I set linewidth directly in bode command?
For releases prior to R2024b, see Sid's answer. Starting in R2024b, you can set the line width using the chart API. sys = tf(4,...

3 maanden ago | 1

Answered
Why the peak values are evidently different under the impulse function to a second order function with zero damping?
Hello, You can use the impulseplot() syntax of providing a final time to have MATLAB automatically choose a resolution for your...

4 maanden ago | 0

Answered
Adding plots to an existing root locus plot
Hello, Design requirements (constraints) for damping ratios and natural frequencies in root locus charts is only available with...

4 maanden ago | 0

Answered
How do I show characteristics from my root locus figure?
Hello, There are two methods to enable characteristic visibility in Control System Toolbox charts. 1) After creating the chart...

4 maanden ago | 0

Answered
Matlab plots step response vs timestep number instead of time in seconds
You should use the "stepplot" function. s = tf('s'); %Laplace variable t = 0:0.01:10; %time vector start, dt , end K = 1; ...

5 maanden ago | 0

Answered
Graphics Incompatibilities in Control System Toolbox between R2024a and R2024b
Hello, You can achieve most of this behavior by interacting with the new chart API. Give the following a go: A1 = 1; wp1 = ...

5 maanden ago | 0

| accepted

Answered
Automatic method that returns the best combination of the coefficients of the polynomial with the lowest RSS value
Hello, You can use the "polyfit" function with n=2 to get the parabola of best fit for your data: https://www.mathworks.com/he...

meer dan 2 jaar ago | 0

Answered
issues solving two interdependent optimization problems with nested functions
Hello, From your description, it sounds like you would like to solve a contrained optimization problem. This is, you would like...

meer dan 2 jaar ago | 0

| accepted

Answered
Collision detection and solving of a spherical ball in a cylindrical boundary
Hi Victor, You can detect a collision between the ball and the cylinder if the distance between the center of the ball and the ...

meer dan 2 jaar ago | 0

Answered
Gain/phase margin calculated relative to -540.
Hi Jaco-Louis, From the documentation page for margin: https://www.mathworks.com/help/control/ref/lti.margin.html the smalles...

meer dan 2 jaar ago | 0

| accepted

Answered
How to load a trained classifier model inside Simulink MATLAB function in MATLAB 2015a?
Hi Roya, As you have just discovered, there are a few restrictions on the MATLAB Function block that are not present in the MAT...

meer dan 2 jaar ago | 1

| accepted

Answered
Interpolation of directional angle between multiple coordinates
Hello, You can perform 2D interpolation by using the interp2 function: https://www.mathworks.com/help/matlab/ref/interp2.html ...

meer dan 2 jaar ago | 0

Answered
Is there a good way to validate that all inputs to a function have compatible sizes when using a (Repeating) arguments block?
Hi Matthew, I was able to achieve the behavior you desire by looping through the variable arguments and passing the argument nu...

meer dan 2 jaar ago | 0

| accepted

Solved


Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

meer dan 4 jaar ago

Solved


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

meer dan 4 jaar ago

Solved


Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

meer dan 4 jaar ago

Solved


Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

meer dan 4 jaar ago

Solved


Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

meer dan 4 jaar ago

Solved


Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

meer dan 4 jaar ago

Solved


Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

meer dan 4 jaar ago

Solved


Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

meer dan 4 jaar ago

Solved


Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

meer dan 4 jaar ago

Solved


Calculate the logarithm of number
Calculate the logarithm of number x

meer dan 4 jaar ago

Solved


Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

meer dan 4 jaar ago

Solved


Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

meer dan 4 jaar ago

Solved


Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

meer dan 4 jaar ago

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