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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...

casi 6 años ago

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Computing wind chill

On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the "wind chill," i...

casi 6 años ago

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Function definition: Double down.

* Complete the DoubleDown function to return twice the initialValue.

casi 6 años ago

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Construct an array

* Construct an row array named observedValues with elements sensorReading1, sensorReading2, and sensorReading3.

casi 6 años ago

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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...

casi 6 años ago

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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...

casi 6 años ago

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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...

casi 6 años ago

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Compute total cost

A soda costs 2 dollars. A taco costs 3 dollars. Write a statement that assigns totalCost with the total meal cost given the numb...

casi 6 años ago

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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...

casi 6 años ago

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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,...

casi 6 años ago

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Assigning a sum

* Write a statement that assigns numCoins with numNickels + numDimes.

casi 6 años ago

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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. ...

casi 6 años ago

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Factorize THIS, buddy

List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

casi 6 años ago

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Vigenere cipher - be like Sherlock Holmes!

You're a young detective. Every detective needs a function to decrypt a vigenère cipher. It's a modification of a caesar cipher....

casi 7 años ago

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Delete blanks at the end of string

you got to delete all blank spaces which appears at the end of string

casi 7 años ago

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Sum my indices

Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

casi 7 años ago

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check whether it is prime or not

Given a number,check whether it is prime or not. If prime output is true else false

casi 7 años ago

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Give prime Numbers upto n

You are given a input number x; print all the prime numbers less than equal to x.

casi 7 años ago

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Back to basics 14 - Keywords

Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

casi 7 años ago

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So many choices

For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

casi 7 años ago

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All capital?

Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

casi 7 años ago

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Produce a Fibonacci sequence

Construct a diagram that generates the Fibonacci sequence: 1, 1, 2, 3, 5, 8, 13, 21, 34.....up to 377 The Fibonacci sequ...

casi 7 años ago

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Compute the step response of a DC motor

Compute the step response of a DC motor shown below <<http://blogs.mathworks.com/images/seth/cody/dc-motor.png>> The param...

casi 7 años ago

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Model a simple pendulum

Model a simple pendulum of length 200cm with bob of mass 100g and plot the position in degrees. The pendulum starts at 30 degree...

casi 7 años ago

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Make a low pass filter

Make a first order low pass filter that will filter out the high frequency oscillations for the given input signal. The cut-off ...

casi 7 años ago

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Model a falling body

An object is falling freely from a height of 22 meters under the force of gravity. <<http://blogs.mathworks.com/images/seth/c...

casi 7 años ago