Réponse apportée
Can i vectorize my loop
Very interesting question. First off, running your solution as is I get: [ |1.0000 2.0000 3.0000 3.1000 3.200...
Can i vectorize my loop
Very interesting question. First off, running your solution as is I get: [ |1.0000 2.0000 3.0000 3.1000 3.200...
environ 12 ans il y a | 0
A soumis
liveVideoTemplate
Template for running a video stream into Matlab.
environ 12 ans il y a | 1 téléchargement |
A résolu
Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
environ 12 ans il y a
A résolu
Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
environ 12 ans il y a
A résolu
Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...
environ 12 ans il y a
A résolu
Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...
environ 12 ans il y a
A résolu
Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...
environ 12 ans il y a
A résolu
Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...
environ 12 ans il y a
A résolu
Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
environ 12 ans il y a
A résolu
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
environ 12 ans il y a
A résolu
Find a subset that divides the vector into equal halves
Given a vector x, return the indices to elements that will sum to exactly half of the sum of all elements. Example: Inpu...
environ 12 ans il y a
A résolu
Solitaire Cipher
Implement the <http://en.wikipedia.org/wiki/Solitaire_(cipher) solitaire cipher>. Since this is from Wikipedia, I am capturin...
environ 12 ans il y a
A résolu
How long is the longest prime diagonal?
Stanislaw Ulam once observed that if the counting numbers are <http://en.wikipedia.org/wiki/Ulam_spiral arranged in a spiral>, t...
environ 12 ans il y a
A résolu
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...
environ 12 ans il y a
A résolu
Spot the outlier
All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...
environ 12 ans il y a
A résolu
Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...
environ 12 ans il y a
A résolu
How many trades represent all the profit?
Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...
environ 12 ans il y a
A résolu
Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...
environ 12 ans il y a
A résolu
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
environ 12 ans il y a
A résolu
Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...
environ 12 ans il y a
A résolu
Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...
environ 12 ans il y a
A résolu
Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...
environ 12 ans il y a
A résolu
Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...
environ 12 ans il y a
A résolu
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
environ 12 ans il y a
