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Noah


Boeing Co

223 total contributions since 2012

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

mehr als 2 Jahre ago

Solved


Will there be a new leader?
Simply answer the title.

mehr als 2 Jahre ago

Solved


Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

mehr als 2 Jahre ago

Solved


Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

mehr als 2 Jahre ago

Solved


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

mehr als 4 Jahre ago

Solved


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

etwa 6 Jahre ago

Solved


Solving a quadratic equation
Given a, b ​​and c, Return the solution of the following quadratic equation: a*x^2 + b*x + c = 0.

etwa 7 Jahre ago

Solved


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!

mehr als 7 Jahre ago

Solved


Wind outward from the center ...
Create an n-by-n matrix with elements ranging from 1 to n^2 in a rectangular spiral pattern. Example if n = 5 : 21 ...

mehr als 7 Jahre ago

Solved


Remove white space from the string
Remove the white spaces (trailing and leading) from the input variable

mehr als 7 Jahre ago

Solved


Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Example: in = magic(5) in = 17 24 1 8 15 23 5 7 14 16 4 6 13 20 ...

mehr als 7 Jahre ago

Solved


Matrix with different incremental runs
Given a vector of positive integers a (>=0); How does one create the matrix where the ith column contains the vector 1:a(i) poss...

mehr als 7 Jahre ago

Solved


N-Cards Problem
You have a deck of _N_ cards numbered in order from 1 to _N_. You discard the top card (card 1) and place the next card (card 2)...

mehr als 7 Jahre ago

Solved


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...

mehr als 7 Jahre ago

Solved


Cubic Integer Constrained Solution
Find an integral non-trivial solution (x,y,z ~=0) (x=0 or y=0 or z=0 are trivial) for the cubic equation 987,654,321x + 12...

mehr als 7 Jahre ago

Solved


Getting the indices from a matrice
Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a...

mehr als 7 Jahre ago

Solved


How many monitors are connected ?
How to obtain the numbers of monitors connected to your computer ?

mehr als 7 Jahre ago

Solved


The Birthday Phenomenon
First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

mehr als 7 Jahre ago

Solved


Find the two-word state names
Given a list of states, remove all the states that have two-word names. If s1 = 'Alabama Montana North Carolina Vermont N...

mehr als 7 Jahre ago

Solved


System of equations
Find a solution to a system of equations represented by a |n| by |n+1| matrix. For instance, [ 2 0 4; => 2*x = 4 ...

mehr als 7 Jahre ago

Solved


Find the "ordinary" or Euclidean distance between A and Z
A, B and Z define three points in the 3D _Euclidean_ space of the form: A = [x1;y1;0]; B = [x2;y2;0]; Z = [x2;y2;z]; Find th...

mehr als 7 Jahre ago

Solved


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

mehr als 7 Jahre ago

Solved


root?
* Given a function 'foo', and a position 'there', find the root near 'there'. * For example: If foo=@sin, and there=3.1, then r...

mehr als 7 Jahre ago

Solved


Duplicate each element of a vector.
for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Ex...

mehr als 7 Jahre ago

Solved


Filter values in a vector
Cody often benefits from a functional style of programming. For example, your score is often better when you compose multiple fu...

mehr als 7 Jahre ago

Solved


Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

mehr als 7 Jahre ago

Solved


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

mehr als 7 Jahre ago

Solved


Vectorize the digits of an Integer
Create a vector of length N for an integer of N digits. x=123045; x_vec=[1 2 3 0 4 5]; I happened upon a trick to do ...

mehr als 7 Jahre ago

Solved


Replace May with April
For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

mehr als 7 Jahre ago

Solved


Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

mehr als 7 Jahre ago

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