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Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...

8 months ago

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Delete the rows in the middle
We will delete the rows in the middle and keep the first and the last rows. For example if input is [1 2 1 7 1 8 ...

8 months ago

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Return a list sorted by number of consecutive occurrences
Inspired by Problem 38 by Cody Team. Given a vector x, return a vector y of the values in x sorted by the number of CONSECUTIVE ...

8 months ago

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Generate N equally spaced intervals between -L and L
Given N and L, return a list of numbers (in ascending order) that divides the interval [-L L] into N equal-length segments. For...

8 months ago

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Find the nearest prime number
Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers. Given a positive in...

8 months ago

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Compound interest - number e
A moneylender wants to receive his annual interest of 12% more frequently. If he receives his interest rate every six months,...

8 months ago

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Lambert's W
Matlab cody does not support lambertw. Try to create a lambert's w function yourself. Lambert's W is the function that solves...

8 months ago

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Cosine effect in solar power towers

8 months ago

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RGB to CMYK
Convert an RGB code to the corresponding CMYK code for printing. The RGB input is a [1×3] double array between 0 and 1. ...

8 months ago

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reverse string
input='rama' output='amar'

8 months ago

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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...

8 months ago

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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

8 months ago

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Test of Quiz
Answer the questions and write in vector. Only one answer is correct. The founder of fuzzy logic is 1a) D. Golberg 1b)...

8 months ago

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Isothermal Expansion
Given the initial pressure and volume of an ideal gas, calculate the new volume, given the new pressure. Hint: <https://en.wi...

8 months ago

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Factorial Numbers
Factorial is multiplication of integers. So factorial of 6 is 720 = 1 * 2 * 3 * 4* 5 *6 Thus 6 factorial = factorial(720)....

8 months ago

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Transpose
Write a MATLAB script in order to convert a random length row vector (v) into a column vector.

8 months ago

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Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

8 months ago

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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...

8 months ago

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Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

8 months ago

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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...

8 months ago

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Is X a Fibonacci Matrix?
In honor of Cleve's new blog and post: <http://blogs.mathworks.com/cleve/2012/06/03/fibonacci-matrices/> Is X a Fibonacci ...

8 months ago

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Project Euler: Problem 9, Pythagorean numbers
A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 = 9 + 16 ...

8 months ago

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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...

8 months ago

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Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

8 months ago

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Matrix of almost all zeros, except for main diagonal
Write a program to input an integer n and build a n-by-n matrix with the numbers 1,2,...,n on the main diagonal and zeros elsewh...

8 months ago

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Repeat The Components of Matrix
Repeat The components of a matrix so that the size of the output matrix is double to input matrix and components are repeated ne...

8 months ago

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What is Sum Of all elements of Matrix
Given the matrix x, return the sum of all elements of matrix. Example: Input x = [ 1 2 0 0 0 0 6 9 3 3 ] ...

8 months ago

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Calculating selling price
Cost of a Product is $x What should be the selling price if you want to gain 10%?

8 months ago

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find the mean of all elements in a matrix
given a matrix, just find the mean of all elements in the matrix

8 months ago

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first element of matrix
find the first elements of a column matrix

8 months ago