Problème


Problem 44444 !!! free beer everyone
just say hallelujah to resolve this problem

environ 8 ans il y a | 3 | 110 solveurs

Problème


Matrix to vector transformation
given a matrix, make in the output 1 column vector putting odd numbers in ascending order after that put the even numbers in des...

environ 8 ans il y a | 1 | 48 solveurs

A résolu


free points
function y = your_fcn_name(x) y = x(1)+x(2); end

environ 8 ans il y a

A résolu


Jack's hand in "Titanic" ♤
Given a series of cards, return true if it's the famous hand.

environ 8 ans il y a

Réponse apportée
how to add multidimensional array
if you mean how to create 3D matrix 5*5*5 you can use x(1:5,1:5,1:5)=0 % full of zero here

environ 8 ans il y a | 0

Problème


Jack's hand in "Titanic" ♤
Given a series of cards, return true if it's the famous hand.

environ 8 ans il y a | 1 | 27 solveurs

Réponse apportée
Perform least squares regression to determine the coefficients a and b ussing the manipulation
look <https://ece.uwaterloo.ca/~dwharder/NumericalAnalysis/06LeastSquares/transformations/complete.html here> T=[77 100 185...

environ 8 ans il y a | 0

Réponse apportée
Correlation Matrix of a 1x1 Structure
first step you have to construct the big matrix then compute the correlation: X=struct2array(here type your structure tit...

environ 8 ans il y a | 0

Réponse apportée
How to calculate the value of correlation coefficient r using Spearman correlation coefficient test?
if you have the statistics toolbox you can use [RHO,PVAL] = corr(x,y,'type','Spearman')

environ 8 ans il y a | 0

| A accepté

Question


theoric vs empiric PDF & CDF
hello guys, i want to know if there is a better way to compare the empiric PDF to the theoric PDF of a *normal distribution samp...

environ 8 ans il y a | 1 réponse | 0

0

réponse

A résolu


Remove the first, third and fifth rows of a matrix
Given a matrix x with at least five rows, return a matrix y that includes all rows of x except for th 1st, the 3rd and 5th. E...

environ 8 ans il y a

A résolu


Matrix game: Winner takes all
Given a matrix A, return a new matrix of the same size in which the biggest element of each column in A takes 1, and 0 for all t...

environ 8 ans il y a

A résolu


Check availability of a number in an array
An array is given A=[1 2 3 4 5 7 8 9 10]. Find whether the number n is present in given array or not. If the number n is prese...

environ 8 ans il y a

A résolu


Rotate it!
Given a set of points, your aim is to rotate it by a given angle "theta" CCW (in 2d). The points are given in a matrix(x) of dim...

environ 8 ans il y a

A résolu


Back to basics 11 - Max Integer
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

environ 8 ans il y a

A résolu


Vector Element Multiplication
Take two incoming vectors, and output the element wise multiplication of the vectors.

environ 8 ans il y a

A résolu


Sorting
Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

environ 8 ans il y a

A résolu


Check if inputted variable is a string or a number
Check if a inputted variable is a number or a string, given a string input (i.e. '1' is 1 and thus a number, 'a' is a string).

environ 8 ans il y a

A résolu


Replace 0 indices in array with 1's
Take a incoming vector, and replace 0's with ones

environ 8 ans il y a

A résolu


Vector indexing: lower than mean
Find all values in a vector lower than the mean of the vector

environ 8 ans il y a

A résolu


Determine whether the input is divisible by 3 as well as 5
If the input is divisible by 3 as well as 5 then the output should be 'true' otherwise 'false'

environ 8 ans il y a

A résolu


Determine whether the input is odd, even, or neither.
Make a function that returns ‘odd’ if the input is odd, ‘even’ if the input if even or ‘error’ if the input is neither odd nor ...

environ 8 ans il y a

A résolu


determine amount cookies left
started with 3 cookies and you never ate any how many are left

environ 8 ans il y a

A résolu


Find the largest number
Given a vector v with 4 elements, find the largest number x. Example: Input: v = [4 7 1 6]; Output: x = 7; You mu...

environ 8 ans il y a

A résolu


remove every row&col for every nan
for a given matrix, remove the row and column of every nan. Example x=[1 2 NaN 4 5 6 7 8 ...

environ 8 ans il y a

A résolu


short or buy ? take the opportunity
you had already calculated a theoretical stock value, now you checked in bloomberg the quoted price of that stock and you have t...

environ 8 ans il y a

A résolu


continuous compounding
what's the present value of having 100 dollars after n years given a continuously compounded rate i ? keep only 2 decimals pleas...

environ 8 ans il y a

A résolu


basic finance application
i watch bloomberg everyday and i want to estimate a stock price stability, so i have to calculate the momentum & the rate of cha...

environ 8 ans il y a

A résolu


find the logic,easy one
find the logic behind, example x=18 y=306 x=53 y=2809

environ 8 ans il y a

Problème


find the logic,easy one
find the logic behind, example x=18 y=306 x=53 y=2809

environ 8 ans il y a | 0 | 69 solveurs

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