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Oliver Higbee


Last seen: 1 month ago Active since 2019

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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 ...

10 months 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...

10 months 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|...

10 months 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 ...

10 months 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...

10 months 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...

10 months 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 ...

10 months 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...

10 months 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| ...

10 months ago

Solved


Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...

10 months 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,....

10 months 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...

10 months 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...

10 months 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...

10 months 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:...

10 months ago

Question


Using structures in functions within for loop
I've been cleaning up the workspace and editor a little by placing variables within structures. But I'm struggling with accessin...

1 year ago | 1 answer | 0

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answer

Question


How to breakdown a timetable into intervals to performance calculations
Hi there, I have a year of data in a timetable, each row of the timetable is a second of data and the output of 48 temperature ...

1 year ago | 1 answer | 0

1

answer

Question


How to load multiple .mat files containing timetables into the workspace and concatenate them vertically
Hi there, I'm trying to load ~100 .mat files into the workspace and combine them into a single timetable. Each file contains a...

1 year ago | 2 answers | 0

2

answers

Question


Retime mean data not aligning
Hi there, I'm using retime on a data set with a one second interval, to obtain averages for days and months (and many other int...

1 year ago | 0 answers | 0

0

answers

Question


Best guess/optimization solution needed
Hi there, I have a series of equations which derive the maximium current of a wire, many of these terms have temperature depend...

1 year ago | 1 answer | 0

1

answer

Question


Datetime 'convertfrom' forcing dates to be Jan2019
Hi there, I'm trying to convert my data's date format from MM/dd/yyyy to dd/MM/yyyy. I'm using; load conductortemps17sept1...

3 years ago | 1 answer | 0

1

answer

Question


Adding start date to timestamps
I'm importing data from a .csv file containing temperatures logged every 30 seconds for 4 days. There is a column containg times...

3 years ago | 1 answer | 0

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answer