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Question
Different result when adding variables
This is in MATLAB R2016a. The addition 1:3 + [0 0 5] gives 1 2 3 if we assign x = 1:3; and y = [...
plus de 9 ans il y a | 1 réponse | 0
1
réponseA résolu
Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...
presque 12 ans il y a
Question
Anonymous functions and integration
I want to integrate an anonymous function but be able to manipulate it first. For example f = @(x) [x -x sin(x)]; r = ...
plus de 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
Intersection of squares with curve
Say that you have a collection of squares in 2D, defined by their corner points (A,B,C,D) and having a unique identifying number...
presque 13 ans il y a | 1 réponse | 0
1
réponseA résolu
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 = ...
environ 13 ans il y a
A résolu
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
environ 13 ans il y a
Question
How to calculate sum of specific array elements
Let's say you have two arrays of the same size: one with the data (x) and one carrying some indices that characterize the data (...
environ 13 ans il y a | 1 réponse | 0
1
réponseA résolu
Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...
presque 14 ans il y a
A résolu
Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...
presque 14 ans il y a
A résolu
Remove all the words that end with "ain"
Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...
presque 14 ans il y a
A résolu
Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...
presque 14 ans il y a
A résolu
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.
presque 14 ans il y a
A résolu
The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...
presque 14 ans il y a
A résolu
Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...
presque 14 ans il y a
A résolu
Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...
presque 14 ans il y a
A résolu
Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...
presque 14 ans il y a
A résolu
The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".
presque 14 ans il y a
A résolu
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
presque 14 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...
presque 14 ans il y a
A résolu
Return a list sorted by number of occurrences
Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...
presque 14 ans il y a
A résolu
Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...
presque 14 ans il y a
A résolu
Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...
presque 14 ans il y a
A résolu
Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...
presque 14 ans il y a
A résolu
Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...
presque 14 ans il y a
A résolu
Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...
presque 14 ans il y a
A résolu
Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...
presque 14 ans il y a
A résolu
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...
presque 14 ans il y a
