# Anna Case

Graduate student in electrical and computer engineering at Iowa State University.

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**Content Feed**

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...

1 year 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|...

1 year 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 ...

1 year ago

Solved

Create a cell array out of a struct

Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

1 year ago

Solved

Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

1 year ago

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Find the Best Hotels

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

1 year 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...

1 year 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 ...

1 year 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...

1 year 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| ...

1 year 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...

1 year 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,....

1 year 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...

1 year ago

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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...

1 year 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...

1 year 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:...

1 year ago

Solved

Pizza!

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

1 year ago

How to load thinkgear library and thinkgear.dll to matlab?

You have the *.dll downloaded, so you will just need to point MATLAB to the *.dll directory as well as the include/ files (the *...

1 year ago | 0

plot radiation intensity of an antenna

% Define theta and phi vectors phi = [0 pi]; theta = linspace(-pi,pi,501).'; % Compute U U(theta,phi)=eta/2((-1j*k*I*L*exp(-...

2 years ago | 0

Question

Finding normal curvature from principal curvatures?

I have two principal curvatures defined as: k1 = H + sqrt(H.^2 - K); k2 = H - sqrt(H.^2 - K); and I would like to define the ...

2 years ago | 0 answers | 0

### 0

answersQuestion

How do I set the container of an App Designer component?

I am working on a large app in app designer and need to move some components around. The app has 6 layered containers (i.e. tabs...

2 years ago | 0 answers | 0

### 0

answersQuestion

Items + Items Data issue

I have defined: app.select_solver_calc_properties.Items = {'Fminsearch', 'Fmincon', 'Look-up Table', 'Genetic Algor...

2 years ago | 1 answer | 0

### 1

answerQuestion

How do I save an executable as a variable in a *.mat?

Hi, I am updating an application to use App Designer. One of the things we do in the Opening function is load a *.mat which def...

2 years ago | 0 answers | 0

### 0

answersHey, I am having trouble indexing into string vectors

tf = [1 3] is what you are looking for. If you open up the variable res, you will see "ABC" is in index 1 and "GHI" is in index ...

3 years ago | 0

Question

Variable originally saved as a structure cannot be instantiated as an object and will be read in as a uint32

Hello, I am trying to load a *.mat file which contains a structure. This is not working in MATLAB 2019a or 2020a. I get: Warni...

3 years ago | 2 answers | 0