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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...

8 months ago

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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...

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...

8 months 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...

8 months 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 ...

8 months 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...

8 months 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|...

8 months 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 ...

8 months 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...

8 months 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...

8 months 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 ...

8 months 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...

8 months ago

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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| ...

8 months ago

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Solve a System of Linear Equations

*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

8 months 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,....

8 months 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...

8 months 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...

8 months 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...

8 months ago

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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...

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...

8 months ago | 1

| accepted

Answered

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...

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...

8 months ago | 0

| accepted

Answered

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...

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...

8 months ago | 0

| accepted

Submitted

Synthetic Minority Over-sampling Technique (SMOTE)

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

9 months ago | 25 downloads |

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...

2 years ago | 1 answer | 0

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...

4 years 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...

4 years 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...

4 years 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...

4 years 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

4 years 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] =...

4 years 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 = ...

4 years ago

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Circle area using pi

Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

4 years ago