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Find mean
given an array, find the mean of the number in that array

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find sum of the numbers in array
calculate the sum of numbers in a given array

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Halder function
Find the halder function value of a number

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find max
You are given an array number find the maximum

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find minimum
find the minimum from an array

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modulus of a number
find the modulus of a given number

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Vector with a repeated entry
Create a row vector of length n, filled with 4's. For example, if n = 3, output = [4 4 4] Hint: Search for the function...

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Area of a circle
Given the radius x, y would be the area of a circle. Pi = 3.1416

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Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

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

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

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Find unique number in input
Find value that occurs in odd number of input elements.

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what can you get for exactly amount of money
You go to store, where each product has price. Prices are in vector s= [ 195 125 260 440 395 290] and you have amount of ...

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this is a test problem
this is a anniversary test problem

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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

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Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

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radius of a spherical planet
you just measured its surface area, that is the input.

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Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

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Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

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

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Log of a number
Write a script that will give the log of x as output.

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

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Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

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Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

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Find best placement for ordered dominoes (harder)
Given a list of ordered pairs, find the order they should be placed in a line, such that the sum of the absolute values of the d...

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Rotate and display numbered tile
Imagine a square tile with four numbers on it, one on each edge. We will call these edges north, east, south, and west. If th...

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Find perfect placement of non-rotating dominoes (easier)
Given a list of ordered pairs, find the order they should be placed in a line, such that the sum of the absolute values of the d...

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Stuff the Board
You have a stack of tiles to put onto an array-like playing board. Each tile has a number (always an integer), and the board var...

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Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

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