Community Profile

photo

Lauren Peterman


Last seen: oltre 3 anni fa |  Attivo dal 2020

Followers: 0   Following: 0

Statistiche

  • Community Group Solver
  • Introduction to MATLAB Master
  • Solver

Visualizza badge

Feeds

Visto da

Risolto


The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

oltre 3 anni fa

Risolto


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

oltre 3 anni fa

Risolto


Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

oltre 3 anni fa

Risolto


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

oltre 3 anni fa

Risolto


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

oltre 3 anni fa

Risolto


Is my wife right?
Regardless of input, output the string 'yes'.

oltre 3 anni fa

Risolto


Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

oltre 3 anni fa

Risolto


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 ...

oltre 3 anni fa

Risolto


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,....

oltre 3 anni fa

Risolto


Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

oltre 3 anni fa

Risolto


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

oltre 3 anni fa

Risolto


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...

oltre 3 anni fa

Risolto


Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

oltre 3 anni fa

Risolto


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...

oltre 3 anni fa

Risolto


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

oltre 3 anni fa

Risolto


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.&#8519;^(-&lambda;t)*cos(2πft)| where |A|, |&lambda;|, and |f| ...

oltre 3 anni fa

Risolto


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...

oltre 3 anni fa

Risolto


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...

oltre 3 anni fa

Risolto


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...

oltre 3 anni fa

Risolto


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...

oltre 3 anni fa

Risolto


Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

oltre 3 anni fa

Risolto


Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

oltre 3 anni fa

Risolto


Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

oltre 3 anni fa

Risolto


Linear system of equations
Solve the system of equations in three variables.

oltre 3 anni fa

Risolto


Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x&#8321;_ + _x&#8322;_ = 2 _x&#8321;...

oltre 3 anni fa

Risolto


Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

oltre 3 anni fa

Risolto


Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

oltre 3 anni fa

Risolto


Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

oltre 3 anni fa

Risolto


Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

oltre 3 anni fa

Risolto


Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

oltre 3 anni fa

Carica altro