# Andrew Ouellette

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**Programming Languages:**

Python, C++, C, Java, MATLAB, HTML

**Spoken Languages:**

English

**Professional Interests:**

Control Systems

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**Feeds**

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...

10 days ago | 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...

10 days ago | 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...

10 days ago | 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; ...

1 month ago | 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 = ...

2 months ago | 0

| accepted

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...

2 years ago | 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...

2 years ago | 0

| accepted

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 ...

2 years ago | 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...

2 years ago | 0

| accepted

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...

2 years ago | 1

| accepted

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 ...

2 years ago | 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...

2 years 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...

4 years 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| ...

4 years 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|...

4 years 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,....

4 years 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 ...

4 years ago

Solved

Solve a System of Linear Equations

*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

4 years 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...

4 years 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. ...

4 years 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...

4 years 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...

4 years 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...

4 years ago

Solved

Pangrams!

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

4 years ago

Solved

Angle between two vectors

You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...

4 years ago

Solved

Angle between Two Vectors

The dot product relationship, a dot b = | a | | b | cos(theta), can be used to determine the acute angle between vector a and ve...

4 years ago

Solved

Are all the three given point in the same line?

In this problem the input is the coordinate of the three points in a XY plane? P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) how can...

4 years ago

Solved

Volume of a Parallelepiped

Calculate the volume of a Parallelepiped given the vectors for three edges that meet at one vertex. A cube is a special case ...

4 years ago

Solved

The Tower of Hanoi

In the <http://en.wikipedia.org/wiki/Tower_of_Hanoi Tower of Hanoi problem> with 3 rods (1, 2 & 3), the goal is to move a tower ...

4 years ago