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Fahrenheit to Celsius using multiple statements
°C = (°F - 32) x 5/9 * Write a statement that assigns fractionalMultiplier with 5/9. * Write a second statement that assign...

presque 10 ans il y a

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Integer indexing array: Weekend box office
The row array movieBoxOffice stores the amount of money a movie makes (in millions of $) for the 7 days of a week, starting with...

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Write an expression
Assigns finalResult with firstSample plus secondSample, squared, then divided by 3. Ex: If firstSample is 18 and secondSample is...

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Plus x: A first program
_Solve this problem in Mathwork's online Cody system._ Write a statement that assigns y with 5 plus x. Ex: If input x = 2,...

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A résolu


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the hourly wage times 40 and times 50, because annualSalary = hour...

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Connect blocks in a model
Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

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Circle area using pi
Write a statement that assigns circleArea with the circle's area given circleRadius. Use the built-in mathematical constant pi. ...

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A résolu


QWERTY coordinates
Given a lowercase letter or a digit as input, return the row where that letter appears on a <http://en.wikipedia.org/wiki/Keyboa...

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A résolu


Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

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A résolu


Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

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A résolu


Penny flipping - calculate winning probability (easy)
Two players are playing a fair penny flipping game. For each flip, the winner adds one penny from the loser's collection to his/...

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A résolu


How many trades represent all the profit?
Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

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A résolu


Hard limit function
Classify x data as if x>=0 then y=1 if x<0 then y=0 Example x = [ -2 -1 0 1 2] y = [ 0 0 1 1 1]

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A résolu


Speed of light:Experiment
in 1849, Fizeau set up an experiment to measure the speed of light. The discription of this experiment can be found on wikipedi...

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Generalized Fibonacci
The Fibonacci sequence is defined as: Fib(1) = 0 Fib(2) = 1 Fib(N) = Fib(N-1) + Fib(N-2) The Fibonacci sequence ca...

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Problème


Generalized Fibonacci
The Fibonacci sequence is defined as: Fib(1) = 0 Fib(2) = 1 Fib(N) = Fib(N-1) + Fib(N-2) The Fibonacci sequence ca...

presque 12 ans il y a | 4 | 50 solveurs

A résolu


Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

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A résolu


Filter AC, pass DC
Input x is the sampled signal vector, may have both AC and DC components. Output vector y should not contain any AC component. ...

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A résolu


Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

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Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

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A résolu


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

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A résolu


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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A résolu


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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A résolu


De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

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A résolu


Free passes for everyone!
_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): As an addit...

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A résolu


Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

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A résolu


Convert a vector into a number
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

environ 12 ans il y a

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Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

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A résolu


Back to basics 1 - Saving
Covering some basic topics I haven't seen elsewhere on Cody. Given an input variable 'x', save it to disk in a file named 'co...

environ 12 ans il y a

A résolu


Project Euler: Problem 10, Sum of Primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

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