Solved


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 ...

meer dan een jaar ago

Solved


Find out total non zero element of matrix
Find out Non zero element of matrix A=magic(5) 17 24 1 8 15 23 5 7 14 16 4 6...

meer dan een jaar ago

Solved


Back to basics 19 - character types
Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...

meer dan een jaar ago

Solved


Square Diagonal
If n is the given number, then make a diagonal matrix of size 2*2 with the square of that number.

meer dan een jaar ago

Solved


Back to basics 13 - Input variables
Covering some basic topics I haven't seen elsewhere on Cody. Return as a string the name of the input variable to the functio...

meer dan een jaar ago

Solved


Find the area of the four walls
If length, breadth and height of the walls are given, find the area of the four walls.

meer dan een jaar ago

Solved


Geometric series
Find the sum, given the first term t1, the common ratio r, and number of terms n. Examples If input t1=1, r=1, n=7 the...

meer dan een jaar ago

Solved


vectorization in N
For a given integer n (n>1), compute the sum f (i) (1 <= i <= n) where f (i) = 1 if n is odd and 2 otherwise.

meer dan een jaar ago

Solved


Generate a random matrix A of (1,-1)
Input n: is an positive integer which serves as the dimension of the matrix A; Output: A=(Aij),where each entry Aij is either...

meer dan een jaar ago

Solved


matrix of natural number
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 resides seially as shown in the examples below. ...

meer dan een jaar ago

Solved


Create incrementing array
Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...

meer dan een jaar ago

Solved


Divide by 4
Given the variable x as your input, divide it by 4 and put the result in y.

meer dan een jaar ago

Solved


Getting the row and column location from a matrix
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to get <http://www.mathwo...

meer dan een jaar ago

Solved


Matrix multiplication across rows
Given matrix m, return matrix n such that, rows of n are result of multiplication of the rows of the input matrix Example ...

meer dan een jaar ago

Solved


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

meer dan een jaar ago

Solved


Find out missing number from a vector of 9 elements
You are given a vector of size 9, x = [x1 x2 x3 x4 x5 x6 x7 x8 x9] Elements of x may be randomly selected without repeati...

meer dan een jaar ago

Solved


Indirect 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...

meer dan een jaar ago

Solved


Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Solved


Transpose of matrix
Transpose of matrix as per test cases

meer dan een jaar ago

Solved


Negative Infinity
Round the given array a towards negative infinity.

meer dan een jaar ago

Solved


Vector Multiplication
Vector Multiplication of three matrix as shown in test cases.

meer dan een jaar ago

Solved


Vectorize the digits of an Integer
Create a vector of length N for an integer of N digits. x = 123045; x_vec = [1 2 3 0 4 5]; I happened upon a trick ...

meer dan een jaar ago

Solved


Find out value of sine given by degree.
Find out value of sine given by degree. If theta=30, it's value must be 0.5.

meer dan een jaar ago

Solved


Back to basics 25 - Valid variable names
Covering some basic topics I haven't seen elsewhere on Cody. Given a string, return true if it is a valid MATLAB variable nam...

meer dan een jaar ago

Solved


Vertical matrix sort
Given a matrix x with n rows and m columns, return a matrix y with 2n rows and m columns, such that every column in x is sorted ...

meer dan een jaar ago

Solved


Positive Infinity
Round the array a towards positive infinity

meer dan een jaar ago

Solved


Back to basics 15 - Benchmark
Covering some basic topics I haven't seen elsewhere on Cody. Return an array of the benchmark values for MATLAB.

meer dan een jaar ago

Solved


Matrix to column conversion
Given a matrix of any size, convert it into a column vector. e.g A=[10 20 30; 40 50 60] then, B = [10; 40; ...

meer dan een jaar ago

Solved


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

meer dan een jaar ago

Load more