C++, C, MATLAB
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Question
Efficient orbit propagation?
I'd like to know whether there are recommended practices when using orbit propagation from the point of view of accuracy and mem...
3 days ago | 0 answers | 0
0
answersQuestion
Desktop panels can no longer be tabbed? (2025x)
I recently made the switch from 2024b to 2025b. I have always run with the 'Workspace' and 'Files' panels tabbed together. It ap...
1 year ago | 2 answers | 4
2
answersSolved
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 ...
1 year 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 weighted...
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 which cont...
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 several classi...
1 year ago
Solved
Find the Best Hotels
Given three input variables: hotels - a list of hotel names ratings - their ratings in a city cutoff - the rating at which yo...
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 inch = 2...
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 are scalars and t is a vector. ...
1 year 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 ...
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
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 Celsi...
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 you n...
1 year ago
Question
Inheritance, abstract and constant properties.
I am trying to write some classes that encapsulate concept definitions, but I'd also like to be able to define an alternate set ...
1 year ago | 4 answers | 1
4
answersQuestion
Managing custom classes, mat-files, and namespaces
Say I have a (simple) custom class, defined with a classdef. Let's say it's defined in my_class.m I then generate a bunch of ob...
2 years ago | 2 answers | 0
2
answersQuestion
Argument validation for class methods
Is there a best practice for validating (or not validating) the 'self' arguments in class method definitions? Consider: clas...
2 years ago | 1 answer | 0
1
answerQuestion
Using bagOfFeatures with RosBag data (storage efficiency)?
We're working on an application to do feature recognition and SLAM using the bagOfFeatures objects. I was wondering whether ther...
3 years ago | 1 answer | 0
1
answerQuestion
Debugging mex-files. Visual Studio breakpoints not working.
For the longest time, I have been able to debug mex-functions using Visual Studio. In the past it often required a little dance ...
3 years ago | 1 answer | 0
1
answerQuestion
pcshow permanently changes figure window?
This is a minor issue but I'm not sure it's intended behaviour. When using pcshow to display a pointcloud, the figure window swi...
4 years ago | 2 answers | 0
2
answersQuestion
Serial vs. Serialport questions
I had a few questions about differences between the legacy serial objects and the newer serialport implementation. Any help woul...
5 years ago | 0 answers | 4
0
answersQuestion
Inconsistent behaviour in fprintf output (scripts and LiveScripts)?
The output from fprintf seems to be inconsistent when called from within a livescript. The interpreter seems to be adding extra ...
5 years ago | 2 answers | 0
2
answersQuestion
Unit testing with externally configurable parameters.
I am exploring Matlab's unit testing framework and I'd like to use it with a project that involves communicating with an externa...
6 years ago | 1 answer | 1
1
answerSolved
Find the biggest empty box
You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...
6 years ago
Solved
The End of the World
given a date -- represent it in the Maya long count system. <https://en.wikipedia.org/wiki/Maya_calendar> <https://maya.nm...
6 years ago
Solved
Lost days
Given two dates in a particular format, calculate the difference between them.
6 years ago
Solved
Leap Year
According to Gregorian Calender(which is in use now, in many countries),decide whether a given year is a leap year or not. Give...
6 years ago
