Andrew Ouellette
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Python, C++, C, Java, MATLAB, HTML
Spoken Languages:
English
Professional Interests:
Control Systems
Estadística
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MEDIA DE ME GUSTA
Contribute at least one answer each month for 3 consecutive months
Awarded to Andrew Ouellette on 02 Dec 2024
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Awarded to Andrew Ouellette on 12 Nov 2022
Provide your first answer ever to someone else's question
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Solve all the problems in Introduction to MATLAB problem group
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Solve a problem for the first time
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Feeds
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. ...
11 días hace | 0
| aceptada
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...
22 días hace | 0
| aceptada
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 meses hace | 0
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 meses hace | 0
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 meses hace | 1
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 meses hace | 0
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 meses hace | 0
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 meses hace | 0
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 meses hace | 0
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 meses hace | 0
| aceptada
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...
más de 2 años hace | 0
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...
más de 2 años hace | 0
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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 ...
más de 2 años hace | 0
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...
más de 2 años hace | 0
| aceptada
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...
más de 2 años hace | 1
| aceptada
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 ...
más de 2 años hace | 0
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...
más de 2 años hace | 0
| aceptada
Resuelto
Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...
más de 4 años hace
Resuelto
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| ...
más de 4 años hace
Resuelto
Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...
más de 4 años hace
Resuelto
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,....
más de 4 años hace
Resuelto
Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...
más de 4 años hace
Resuelto
Solve a System of Linear Equations
*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...
más de 4 años hace
Resuelto
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...
más de 4 años hace
Resuelto
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. ...
más de 4 años hace
Resuelto
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...
más de 4 años hace
Resuelto
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...
más de 4 años hace
Resuelto
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...
más de 4 años hace
Resuelto
Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...
más de 4 años hace
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