Answered

How can I change the frame rate and/or direction of playback while playing a movie using the Matlab function "movie"?

The video Viewer app in MATLAB has the ability to control playback. You can select the movie or image sequence that you want to ...

How can I change the frame rate and/or direction of playback while playing a movie using the Matlab function "movie"?

The video Viewer app in MATLAB has the ability to control playback. You can select the movie or image sequence that you want to ...

ungefär 2 år ago | 1

Answered

Redoing iteration of for loop if certain outcome happens

For a “for” loop, MATLAB resets the loop index to the next value when it returns to the top of the outer loop, it ignores any ch...

Redoing iteration of for loop if certain outcome happens

For a “for” loop, MATLAB resets the loop index to the next value when it returns to the top of the outer loop, it ignores any ch...

ungefär 2 år ago | 0

Answered

Which is faster, logical indexing vs for loop

To find the time taken by a certain piece of code you could use the “tic toc” or “timeit” or “cputime”. The below code is an exa...

Which is faster, logical indexing vs for loop

To find the time taken by a certain piece of code you could use the “tic toc” or “timeit” or “cputime”. The below code is an exa...

ungefär 2 år ago | 0

Solved

Project Euler: Problem 2, Sum of even Fibonacci

Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

ungefär 2 år ago

Solved

Project Euler: Problem 1, Multiples of 3 and 5

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

ungefär 2 år ago

Solved

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 ...

ungefär 2 år 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...

ungefär 2 år ago

Answered

Detecting a washer using Image Processing

To convert rgb to gray you could use “rgb2gray”. To detect any object in an image you could use either image segmentation or you...

Detecting a washer using Image Processing

To convert rgb to gray you could use “rgb2gray”. To detect any object in an image you could use either image segmentation or you...

ungefär 2 år ago | 0

Answered

Image Processing: Recognizing arrows and their orientation/direction

The “regionprops” in MATLAB could give you the orientation angle, to use regionprops the input must be a Binary Image or Label I...

Image Processing: Recognizing arrows and their orientation/direction

The “regionprops” in MATLAB could give you the orientation angle, to use regionprops the input must be a Binary Image or Label I...

ungefär 2 år ago | 0

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|...

ungefär 2 år 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 ...

ungefär 2 år 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...

ungefär 2 år 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...

ungefär 2 år 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 ...

ungefär 2 år 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...

ungefär 2 år 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| ...

ungefär 2 år ago

Solved

Solve a System of Linear Equations

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

ungefär 2 år 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,....

ungefär 2 år 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...

ungefär 2 år 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...

ungefär 2 år 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...

ungefär 2 år ago

Solved

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...

ungefär 2 år ago

Solved

Sum all integers from 1 to 2^n

Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

ungefär 2 år ago

Solved

Magic is simple (for beginners)

Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

ungefär 2 år ago

Solved

Make a random, non-repeating vector.

This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

ungefär 2 år ago

Solved

Roll the Dice!

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

ungefär 2 år ago

Solved

Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

ungefär 2 år ago

Solved

Return the first and last character of a string

Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

ungefär 2 år ago

Solved

Create times-tables

At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

ungefär 2 år ago

Solved

Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

ungefär 2 år ago