# Simon Stone

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Question

How can I avoid ALSA errors cluttering up the output?

Hi there, I have a script that does some stuff with audio signals. Among other things, it plays some audio using soundsc(). Whe...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerWhat's the best way to create a toolbox that relies on a C library?

I ended up writing some code to build the library using system() calls. The toolbox is essentially a single class and when it ge...

ongeveer 3 jaar ago | 1

| accepted

Submitted

VocalTractMatLab

A MATLAB wrapper for the VocalTractLab API

ongeveer 3 jaar ago | 1 download |

Question

What's the best way to create a toolbox that relies on a C library?

I want to create a toolbox that is essentially a wrapper for the API of a C shared/dynamic library. Obviously, the library needs...

ongeveer 3 jaar ago | 1 answer | 2

### 1

answerQuestion

Extracting the individual filters in a crossover filter

I have set up a crossover filter like so: cof = crossoverFilter(1, 5000, 48, 44100); I know I can visualize the two constituen...

ongeveer 3 jaar ago | 1 answer | 0

### 1

answerSolved

Longest run of consecutive numbers

Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

ongeveer 4 jaar ago

Solved

Rescale Scores

Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

ongeveer 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|...

ongeveer 4 jaar ago

Solved

Find MPG of Lightest Cars

The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

ongeveer 4 jaar ago

Solved

Find the Best Hotels

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

ongeveer 4 jaar ago

Solved

Crop an Image

A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

ongeveer 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 ...

ongeveer 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,....

ongeveer 4 jaar ago

Solved

Plot Damped Sinusoid

Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

ongeveer 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| ...

ongeveer 4 jaar 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...

ongeveer 4 jaar ago

Solved

Find the Oldest Person in a Room

Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

ongeveer 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...

ongeveer 4 jaar ago

Solved

Calculate Amount of Cake Frosting

Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

ongeveer 4 jaar 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:...

ongeveer 4 jaar ago

Question

Parallel bayesopt: what is the relationship between the number of iterations and number of workers?

I am having a hard time wrapping my head around how exactly parallel Bayes optimization works in Matlab. Maybe someone can help ...

meer dan 4 jaar ago | 1 answer | 0