Statistiques
RANG
255 359
of 297 527
RÉPUTATION
0
CONTRIBUTIONS
4 Questions
0 Réponses
ACCEPTATION DE VOS RÉPONSES
75.0%
VOTES REÇUS
0
RANG
13 285 of 20 454
RÉPUTATION
22
CLASSEMENT MOYEN
0.00
CONTRIBUTIONS
1 Fichier
TÉLÉCHARGEMENTS
1
ALL TIME TÉLÉCHARGEMENTS
227
CONTRIBUTIONS
0 Publications
CONTRIBUTIONS
0 Public Chaîne
CLASSEMENT MOYEN
CONTRIBUTIONS
0 Point fort
NOMBRE MOYEN DE LIKES
Feeds
Question
Read parquet file error
Hi, I'm reading parquet files and facing some problems. For comparison the file was read with python using fastparquet with no ...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Insert timestamp with timezone in database
Hi, I'd like to insert (table) data into an Oracle database. The data contains datetime variables with timezone information whi...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Is there a way to create a custom cvpartition?
Hi, I'd like you use crossvalidation in a model with a custom set of training/test sample vectors. To use some of the built-...
plus de 3 ans il y a | 3 réponses | 0
3
réponsesA résolu
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...
environ 11 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 11 ans il y a
A résolu
New Cody Time-Out Time
Determine the New Cody Time-Out Time Consume the Maximum Possible Time without Timing out. *Score:* 60 (sec) - Time (sec) ...
environ 11 ans il y a
A résolu
Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0
environ 11 ans il y a
A résolu
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...
environ 11 ans il y a
A résolu
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...
environ 11 ans il y a
A résolu
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...
environ 11 ans il y a
A résolu
Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
environ 11 ans il y a
A résolu
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...
environ 11 ans il y a
A résolu
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...
environ 11 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...
environ 11 ans il y a
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 11 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 11 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 11 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 11 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...
plus de 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.
plus de 12 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...
plus de 12 ans il y a
A résolu
Unique - Very Very Large Numbers
Given a vector column, with some very large numbers, create the ascending sort and unique vector. *Input:* A (column vector)...
plus de 12 ans il y a
A résolu
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:...
plus de 12 ans il y a
A 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 = ...
plus de 12 ans il y a
A résolu
Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....
plus de 12 ans il y a
A résolu
surface of a spherical planet
you just discovered its circumference, that is the input.
plus de 12 ans il y a
A résolu
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...
plus de 12 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...
plus de 12 ans il y a
