Solved

Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

3 months ago

Solved

Square root of a number
Write a code that will output the square root of x.

3 months ago

Solved

Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

3 months ago

Solved

Summation of array
Given an array, Find the sum of all of the elements in it Examples: Input x = [1 2 3 5; 4 5 6 7]; Output y is 33

3 months ago

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 ...

3 months ago

Solved

Integer or Float?
Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...

3 months ago

Solved

Cumulative product of a vector
Cumulative product of a vector example x=[1 2 5 10], then answer must be [ 1 2 10 100] *If you like this prob...

3 months ago

Solved

Compare two input matrices
Check which input matrix has more elements. Return "1" if matrix A has more elements than matrix B. Otherwise return "0". Exa...

3 months ago

Solved

Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

3 months ago

Solved

Deleting an element in a matrix
For vector Grades=[98 56 78 34 100 88 87], delete the number 78 to get the following matrix Grades=[98 56 34 100 88 87] **re...

3 months ago

Solved

Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

3 months ago

Solved

Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...

3 months ago

Solved

Related Vectors
I have two vectors A & B. If the values in vector A is zero then the corresponding value in vector B should be zero. Example:...

3 months ago

Solved

Building matrices
If you have matrix A, create matrix B using matrix A as an "element" A = [1 2 3 4; 5 6 7 8...

3 months ago

Solved

Vectors counting by 2
Create a vector numbers from 7 to 15 in increments of 2

3 months 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...

3 months ago

Solved

The sum of the numbers in the vector
eg. [1,2,3]---->SUM=6

3 months ago

Solved

Finding an element in a vector
x is a vector of unknown length your function should return the index of the first element in the vector that is greater than...

3 months ago

Solved

Matlab Basics - Absolute Value
Write a script that returns the absolute value of the elements in x e.g. x = [-1 -2 -3 -4] --> y = [1 2 3 4]

3 months ago

Solved

convert matrix to single column
given any matrix, convert it to single column

3 months ago

Solved

Find the minimum element of the matrix
Example: If x = [3 9; 5 2] then y = 2

3 months ago

Solved

generate a matrix of Legendre polynomials
input = x - the degree of the polynomial output = matrix of Legendre polynomials

3 months ago

Solved

find the surface area of a cube
given cube side length x, find the surface area of the cube, set it equal to y

3 months ago

Solved

convert the number to binary format & count digits
Convert the given number to the corresponding binary format and count the number of digits in that binary number

3 months ago

Solved

Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle

3 months ago

Solved

Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

3 months ago

Solved

Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

3 months ago

Solved

Sum of Two Numbers
Given two integer numbers x and y, calculate their sum and put it in z. Examples: Inputs x = 2, y = 4 Output z is 6 ...

3 months ago

Solved

Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

3 months ago

Solved

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...

3 months ago