Community Profile

photo

Daniel Warren


University of Oxford

2013 年からアクティブ

Followers: 0   Following: 0

連絡

I'm a postdoctoral physicist at Oxford University.

統計

All
  • Personal Best Downloads Level 2
  • First Review
  • 5-Star Galaxy Level 4
  • First Submission
  • Scavenger Finisher
  • Commenter
  • Solver

バッジを表示

Feeds

表示方法

解決済み


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 ...

7年以上 前

解決済み


Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

7年以上 前

解決済み


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...

8年以上 前

解決済み


Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

8年以上 前

解決済み


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...

8年以上 前

解決済み


Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

8年以上 前

解決済み


How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

8年以上 前

送信済み


Trace perimeter of binary image with line segments (bwperimtrace)
Traces the outer boundaries of non-zero pixels in a monochrome image

8年以上 前 | ダウンロード 5 件 |

Thumbnail

解決済み


radius of a spherical planet
you just measured its surface area, that is the input.

8年以上 前

解決済み


Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

8年以上 前

解決済み


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 = ...

8年以上 前

解決済み


Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

8年以上 前

解決済み


De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

8年以上 前

解決済み


Elapsed Time
Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

8年以上 前

解決済み


Calculate trends in time series
Create a new variable that has trends in input series. If _t+1_ is bigger than or equal to _t_, than trend in _t_ will be 1, oth...

8年以上 前

解決済み


Subtract 12 from x
given a number x, return y, which is x - 12

8年以上 前

解決済み


Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

8年以上 前

解決済み


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".

8年以上 前

解決済み


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

8年以上 前

解決済み


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

8年以上 前

解決済み


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...

8年以上 前

解決済み


Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

8年以上 前

解決済み


Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

8年以上 前

解決済み


Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

8年以上 前

解決済み


Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

8年以上 前

解決済み


Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

8年以上 前

解決済み


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 ...

8年以上 前

解決済み


Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

8年以上 前

解決済み


Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

8年以上 前

解決済み


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...

8年以上 前

さらに読み込む