Feeds
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
13년 초과 전
문제를 풀었습니다
Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
13년 초과 전
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
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 ...
13년 초과 전
문제를 풀었습니다
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 ...
13년 초과 전
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
13년 초과 전
문제를 풀었습니다
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 ...
13년 초과 전
문제를 풀었습니다
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...
13년 초과 전
문제를 풀었습니다
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:...
13년 초과 전
질문
Conditionally Format Bar Chart
Is it possible to create a conditionally formatted bar chart? I have a time series bar chart that has positive and negative v...
13년 초과 전 | 답변 수: 2 | 0
2
답변질문
String and cell compares?
I am having a problem with the below code. I have a field, "name" which I included a sample below. I am trying to do some contr...
13년 초과 전 | 답변 수: 1 | 0
1
답변질문
Webinar - PDF?
For this webinar Algorithmic Trading : Simple Lead Lag EMA There was a PDF that had all of the code and a write up of the we...
거의 14년 전 | 답변 수: 1 | 0
1
답변질문
Logical Indexing into 2d matrix
I am trying to use a logical vector to pull out all data from a 2d matrix. The data is below 67 75 52 44 2...
거의 14년 전 | 답변 수: 1 | 0
1
답변질문
Control Break Processing
[EDIT: 20110720 16:05 CDT - reformat - WDR] I have 3 column vectors (Date1 Date2 and Error) and what I want to do is create the...
14년 초과 전 | 답변 수: 2 | 0
2
답변답변 있음
Sorting Cell stucture with different data types
This is what C looks like <3503x1 cell> <3503x1 double> <3503x1 cell> <3503x1 double> <3503x1 cell> <3503x1 double>...
Sorting Cell stucture with different data types
This is what C looks like <3503x1 cell> <3503x1 double> <3503x1 cell> <3503x1 double> <3503x1 cell> <3503x1 double>...
14년 초과 전 | 0
답변 있음
Sorting Cell stucture with different data types
Also, all of the string data are cell arrays. So this is a Cell Array in a Cell Array
Sorting Cell stucture with different data types
Also, all of the string data are cell arrays. So this is a Cell Array in a Cell Array
14년 초과 전 | 0
질문
Sorting Cell stucture with different data types
I have a cell structure with 32 columns of data I read in the data in a cell Structure C = textscan(fid,'%s%f%s%f%s%f%f%f%f%f...
14년 초과 전 | 답변 수: 3 | 0
