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Jeremy Wurbs
Boston University
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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
casi 4 años hace
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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...
más de 10 años hace
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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...
más de 10 años hace
while loop iteration in matlab?
If you know how long you're going to iterate for, something like: numIter = 10; A_vec = zeros(numIter,1); A = 10; cnt...
más de 10 años hace | 1
Enviada
Train Cascade Object Detector
Example showing how to train a user-defined object detector.
más de 10 años hace | 6 descargas |
![Thumbnail](/matlabcentral/mlc-downloads/downloads/submissions/44545/versions/1/screenshot.png)
Resuelto
Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...
más de 10 años hace
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Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...
más de 10 años hace
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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....
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Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...
más de 10 años hace
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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...
más de 10 años hace
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Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...
más de 10 años hace
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Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...
más de 10 años hace
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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...
más de 10 años hace
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Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...
más de 10 años hace
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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...
más de 10 años hace
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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...
más de 10 años hace
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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...
más de 10 años hace
Matlab stop time or running time
You can use the |tic| and |toc| commands: tic pause(1.5) % put your code here time = toc
más de 10 años hace | 0
remove wanted portions in binary image
If you wish to remove small regions from the binary image itself, you could start by looking at morphological operations ( |help...
más de 10 años hace | 1
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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...
más de 10 años hace
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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...
más de 10 años hace
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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...
más de 10 años hace
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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...
más de 10 años hace
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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
más de 10 años hace
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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...
más de 10 años hace
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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...
más de 10 años hace
User defined surface grid
Ahh, I see. That is trickier. I get slightly better results by changing mesh(XX,ZZ,YY,ZZ); to surf(XX,ZZ,YY,ZZ,...
más de 10 años hace | 0
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How mask can a image is segmented using a mask
If I understand you correctly you wish to apply a mask to an image. You can accomplish this with the .* operator. Just make sure...
más de 10 años hace | 0
Save a matrix to a file with an array of matrices without loading all of the data
I believe the functionality you are looking for can be done with a matfile object (refer to ' |help matfile| '), but unfortunate...
más de 10 años hace | 0
User defined surface grid
Great question. If I'm understanding correctly, you don't like the lines connecting your points to be so prevalent. You can fix ...
más de 10 años hace | 0