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### Aalborg University

Last seen: 6 mesi ago Active since 2016

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Stratified Block Randomization
This matlab function performs (stratified) block randomization.

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Matlab Basics - Convert a row vector to a column vector
Write a script to convert a row (e.g. x = [1 2 3]) to a column (e.g. y = [1;2;3]), your script should be able to do this for any...

circa 2 anni ago

while loop not ending, juz stopped at i = 3
In your code, once the following is true, it is always true, since you don't modify any of the variables inside the 'if' if a(i...

circa 2 anni ago | 0

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Generate a random matrix A of (1,-1)
Input n: is an positive integer which serves as the dimension of the matrix A; Output: A=(Aij),where each entry Aij is either...

circa 2 anni ago

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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 ...

circa 2 anni ago

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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...

circa 2 anni ago

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

circa 2 anni ago

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

circa 2 anni 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...

circa 2 anni ago

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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...

circa 2 anni ago

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

circa 2 anni ago

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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...

circa 2 anni ago

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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| ...

circa 2 anni ago

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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;...

circa 2 anni ago

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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,....

circa 2 anni ago

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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...

circa 2 anni 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...

circa 2 anni ago

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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...

circa 2 anni ago

Is there any faster way (parfor related)?
You could speed this up by pre-allocating memory for A if you know the size of b: A=nan(1000000,5,100); % cumulation matrix pa...

circa 2 anni ago | 1

| accepted

For loop gives the same output
You need to initialize the matrixes: L_D, lamda and cond. Always initialize variables before a loop when you only set part of t...

circa 2 anni ago | 0

| accepted

Incrementing certain values in a matrix for several iterations
I'm not sure exactly what you are trying to achieve but I think I can help you out anyway. You are incrementing vp in each it...

circa 2 anni ago | 0

| accepted

Submitted

Synthetic Minority Over-sampling Technique (SMOTE)
Synthetic Minority Over-sampling Technique, DOI: https://doi.org/10.1613/jair.953

Question

Hittest axes with WindowWheelScrollFcn callback
I am attempting to make a GUI that has interaction using the mouse wheel, and the GUI behavior should depend on which element th...

circa 4 anni ago | 1 answer | 1

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Question

Coefficients from butter function differ between platforms
I've into something I find odd. When comparing results with a colleague, we discovered some differences even though we ran th...

circa 5 anni ago | 1 answer | 0

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Rotate and display numbered tile
Imagine a square tile with four numbers on it, one on each edge. We will call these edges north, east, south, and west. If th...

oltre 5 anni ago

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Stuff the Board
You have a stack of tiles to put onto an array-like playing board. Each tile has a number (always an integer), and the board var...

oltre 5 anni ago

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Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

oltre 5 anni ago

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Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

oltre 5 anni ago

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

oltre 5 anni ago

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

oltre 5 anni ago