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Generate one sample of uniform random numbers between -pi and +pi

Generate one sample of uniform random numbers between -pi and +pi.

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Create a random vector of integers with given sum

Your task today is to write a function that returns a vector of integer numbers, between, and including, 1 and m, of which the s...

plus de 3 ans ago

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Possible Outcomes of American Roulette

The payout for American roulette can be calculated by: payout = (38/n)-1 where n is the number of squares the bet covers. ...

plus de 3 ans ago

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Differential equations I

Given a function handle |f| an initial condition |y0| and a final time |tf|, solve numerically the differential equation dy...

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Gambler?

Given a handle to a wealth function, confirm within 100 milliseconds 'Millionaire', 'Likely', or 'Gambler', if wealth() returns ...

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Throwing Dice - Will You Be Eaten By The Dragon?

You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x ...

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More luck than brains

Give a random function that guess and return numbers from 1 to 6 exactly like the test suite .

plus de 3 ans ago

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Cody Computer Part 2 - Get the license number of Cody Computer

In the Cody computer investigation party, you may have already solved : <http://www.mathworks.com/matlabcentral/cody/problems...

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Cody Computer Part 1 - Guess the system font used by uipanel

list = listfonts return the list of available system fonts. Can you guess which font is used for uipanel on the CODY computer...

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Can you beat the lottery again (for hardcore coder) ?

Inspired by the Problem 1713 by Chris E. Here is the code that generates the first lottery number: rng('shuffle'); numb...

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Three grind is shipsstraigt

A function that returns either 'Rock', 'Scissors', or 'Paper' (string). You may succeed or you may fail the (case insensitive) t...

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Can you beat the lottery?

Well this one you may not get every time, but it is a lottery! Here is the code that generates the lottery numbers (you can try ...

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Test within tolerance

Given a vector of experimental data, D, and a vector of truth data, T, return FALSE if any +/- errors (D-T) are outside a given ...

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Project Euler: Problem 16, Sums of Digits of Powers of Two

2^15 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26. What is the sum of the digits of the number 2^N? Thanks ...

plus de 3 ans ago

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Project Euler: Problem 3, Largest prime factor

The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

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Project Euler: Problem 4, Palindromic numbers

A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...

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Find the average of a random sequance

Write a function that generates random integers within a loop, and calculates the mean of the positive numbers only. At each ...

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Make an N-dimensional Multiplication Table

*INSTRUCTIONS* This is a multi-dimensional variant of the normal multiplication table used to teach elementary students multi...

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Calculate geostrophic current

eta0=0.01; R=300; f=0.01; g=9.81; x=-500:50:500; y=-500:50:500; [x y]=meshgrid(x,y); eta=eta0*exp(-(x.^2+...

plus de 3 ans ago

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Find matrix of indices for multidimensional matrix.

Given some multidimensional matrix A. Get a matrix of the same size as A where all elements are replaced by their index along th...

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4 Digit Sequence Repetitions

Given a 4 digit integer, a sequence can be created such that the next digit in the sequence is the ones digit from the sum of th...

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Jack's hand in "Titanic" ♤

Given a series of cards, return true if it's the famous hand. Note that i pretend that poker cards goes from 1 to 10 so be care...

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how many of the entries are positive?

Given x= sin(linspace(0,10*pi,100)), how many of the entries are positive?

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Apply Function to Each Field of a Structure Array: Part 2

The builtin <http://www.mathworks.com/help/matlab/ref/structfun.html?=structfun structfun> applies a function handle to each fie...

plus de 3 ans ago

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Apply Function to Each Field of a Structure Array: Part 1

The builtin <http://www.mathworks.com/help/matlab/ref/structfun.html?=structfun structfun> applies a function handle to each fie...

plus de 3 ans ago

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hackathon impossible

You might have found a solution to our <http://www.mathworks.com/matlabcentral/cody/problems/205-hackathon-the-beginnings previo...

plus de 3 ans ago

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Alternative Dimensions

Given a multidimensional matrix, transform the matrix so the dimensions are in the order given by variable ord. For example, giv...

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Hackathon - String version

I have a function that creates a random string of characters of ASCII values 32-127. The length of the string is also randomly ...

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Zigzag of square matrix

find zigzag of square matrix in one dimension array a=[1 2 3;4 5 6;7 8 9]; should return b= [1 2 4 7 5 3 6 8 9]

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Still more miles to go before I sleep

It's time for more odometer fun. Last problem, my car's odometer hit 56789. It's coming up on 111111 now, which (barring a maj...

plus de 3 ans ago