解決済み

Are you in or are you out?
Given vertices specified by the vectors xv and yv, and a single point specified by the numbers X and Y, return "true" if the poi...

4年以上前

解決済み

Find the index of n in magic(n)
If input n=5, then magic(n) is 17 24 1 8 15 23 5 7 14 16 4 6 13 20 22...

4年以上前

解決済み

frame of the matrix
Given the matrix M, return M without the external frame.

4年以上前

解決済み

Sum of the Multiplication of Vectors
Given the vectors x and y as input, multiply the vectors and return the summation of its elements. Example: x = [1 2 ...

4年以上前

解決済み

Back to basics 4 - Search Path
Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the user's portion of the current search...

4年以上前

解決済み

Squaring Matrix
Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...

4年以上前

解決済み

Narcissistic number ?
Inspired by Problem 2056 created by Ted. In recreational number theory, a narcissistic number is a number that is the sum of ...

4年以上前

解決済み

Equal to their cube
Tell me three real numbers that are equal to their cubes?

4年以上前

解決済み

Divisors of an integer
Given a number N, return a vector V of all integers that divide N. For example, N = 10 Then V=[1 2 5 10]

4年以上前

解決済み

Number of toolboxes?
Return a number equal to the number of toolboxes available to the Cody solvers.

4年以上前

解決済み

Find the 9's Complement
Find the 9's complement of the given number. An example of how this works is <http://electrical4u.com/9s-complement-and-10s-c...

4年以上前

解決済み

Create matrix of replicated elements
Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. Example: Input: ...

4年以上前

解決済み

Number of digits in an integer
Specifies how many digits in a given integer. Example: in=100 ==> out=3

4年以上前

解決済み

Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

4年以上前

解決済み

Matlab Basics II - Intervals
Write a function that takes an interval from a to b, and divides it into 5 parts example: a = 1, b = 2 output = 1 1.25 ...

4年以上前

解決済み

Add a row of zeros on top of a matrix
Given a matrix, insert a row of zeros as the top row.

4年以上前

解決済み

Mode
Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...

4年以上前

解決済み

Count consecutive 0's in between values of 1
So you have some vector that contains 1's and 0's, and the goal is to return a vector that gives the number of 0's between each ...

4年以上前

解決済み

Create an n-by-n null matrix and fill with ones certain positions
The positions will be indicated by a z-by-2 matrix. Each row in this z-by-2 matrix will have the row and column in which a 1 has...

4年以上前

解決済み

Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

4年以上前

解決済み

Back to basics - mean of corner elements of a matrix
Calculate the mean of corner elements of a matrix. e.g. a=[1 2 3; 4 5 6; 7 8 9;] Mean = (1+3+7+9)/4 = 5

4年以上前

解決済み

length of a vector
Find twice the length of a given vector.

4年以上前

解決済み

find the maximum element of the matrix
for e.g x = [1 2; 3 4] y = 4

4年以上前

解決済み

Test if two numbers have the same digits
Given two integers _x1_ and _x2_, return |true| if the numbers written with no leading zeros contain the same digits. That is, t...

4年以上前

解決済み

Basics: 'Find the eigenvalues of given matrix
Find the eigenvalues y for a given matrix x.

4年以上前

解決済み

Solve the set of simultaneous linear equations
Given this pair of simultaneous linear equations: 2x + 3y = 23 3x + 4y = 32 Find the solution set (x,y)

4年以上前

解決済み

Reverse the Words (not letters) of a String
*Description* Change the words of a string such that the words appear in reverse order. You may assume that the string is a n...

4年以上前

解決済み

Create a square matrix of multiples
Given an input, N, output a matrix N x N with each row containing multiples of the first element of each row. This also applies...

4年以上前

解決済み

Matlab Basics - y as a function of x
Write a function to calculate y as a function of x, such that y = 6x^2 + 5x - 2

4年以上前

解決済み

Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...

4年以上前