已解决

Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

7 years 前

已解决

Solve expression III
Solve expression for given vector x. Expression = (tan(2*x^2+7*x-30.25)+log(x^3-2.25))/(nthroot(sin(x^3)^2+1/5*log(x^4-2.5),3))...

7 years 前

已解决

Wrapping the Tower of Pisa
The famous artist Christo Vladimirov Javacheff, who likes pizza, wants to wrap the well-known Italian tower in paper. It is a ci...

7 years 前

已解决

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

7 years 前

已解决

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 ...

7 years 前

已解决

Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

7 years 前

已解决

Modulation index
The amplitude of the carrier signal is 2V and the amplitude of the modulating signal is 8V. Find its modulation index.

7 years 前

已解决

Add two numbers
Add two numbers (For beginners)

7 years 前

已解决

DC-DC boost converter
Find the output voltage of a DC-DC boost converter when its input voltage is 12V and the duty cycle ratio is 0.6.

7 years 前

已解决

Freebies anyone? No!!!!
Feel free to copy paste all the tests and voila you solved the problem

7 years 前

已解决

7 segment LED display
Given a whole number, output how many segments would be lit up to display it on a 7 segment LED display (see Wikipedia: <http://...

7 years 前

已解决

Tricky timing
Write a function that takes between 0.5 seconds and 0.6 seconds to run.

7 years 前

已解决

Toolbox check part 3
In my ongoing quest to highlight obscure parts of MATLAB, the latest challenge is to take 2 string inputs, one a MATLAB toolbox ...

7 years 前

已解决

Set some matrix elements to zero
First get the maximum of each *row*, and afterwards set all the other elements to zero. For example, this matrix: 1 2 3 ...

7 years 前

已解决

Specific toolboxes
Given a string that is the name of a MATLAB toolbox, return true if it is available on the Cody solvers evaluation system, false...

7 years 前

已解决

Number of toolboxes?
Return a number equal to the number of toolboxes available to the Cody solvers.

7 years 前

已解决

Circumscribed circles
Given the lengths of the 3 sides of a triangle, output the radius of the circumscribed circle. Example: [3 4 5] -> 2.5

7 years 前

已解决

Convert Hard Drive marketing sizes to actual data sizes
Hard drive sizes are typically marketed using the decimal meaning of prefixes, whereas RAM uses binary meanings. For example: ...

7 years 前

已解决

UICBioE240 2.7
Given two 3-element vectors x1 and x2, create a 3 x 3 x 3 matrix Y where (:,:,1) has all values of x1 * x2, (:,:,2) has all valu...

7 years 前

已解决

UICBioE240 2.2
Make a 3x4 matrix that contains all ones.

7 years 前

已解决

Back to basics 17 - white space
Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable

7 years 前

已解决

Back to basics 3 - Temp Directory
Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the path to the system's current temp di...

7 years 前

已解决

Inner product of two vectors
Find the inner product of two vectors.

7 years 前

已解决

Removing vibration!
There are [y] that vary with [x] but y including small useless vibration. x=1:10 y=[1.71 2.03 3.28 4.05 5.10 6.82 7.69 8.3...

7 years 前

已解决

Extract a specific part of matrix!
In the given matrix, extract element that have odd rows and column number. For example A=[1 4 2 3 5] B=extractodd(A);...

7 years 前

已解决

How to calculate log?
There is a log that have base 5. How to calculate? log5(x)?

7 years 前

已解决

Analyze observation data
Suppose you have the following data (A,B,C) in three-column format. A B C -------------------------- t=1 ...

7 years 前

已解决

Bruh
Return 'bruh'.

7 years 前

已解决

Change matrix to vector
Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

7 years 前

已解决

Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

7 years 前