Solved

Basic electricity in a dry situation
&#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#9889 &#...

2 months ago

Solved

Write c^3 as sum of two squares a^2+b^2
write c^3 as sum of two squares a^2+b^2. a and b must be integer and greater than zero. For example 5^3 = 2^2 + 11^2 5...

2 months ago

Solved

MATLAB Counter
Write a function f = counter(x0,b) to construct a counter handle f that counts with an initial value x0 and a step size b. E...

2 months ago

Solved

Octoberfest festival
A group of students decided to visit Octoberfest festival. First they ordered one beer, then after half-hour they taken one more...

2 months ago

Solved

Is it really a 5?
A number containing at least one five will be passed to your function, which must return true or false depending upon whether th...

2 months ago

Solved

ASCII Birthday Cake
Given an age and a name, give draw an ASCII birthday cake. For example, given the name "CODY" and the age 5, return a string wit...

2 months ago

Solved

Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

2 months ago

Solved

Polarisation
You have n polarising filters stacked one on top of another, and you know each axis angle. How much light gets passed through th...

2 months ago

Solved

Circle/Pentagon Overlap
Your function will be provided with the five vertices of a pentagon (p) as well as the center point (cp) and radius (r) of a cir...

2 months ago

Solved

Inscribed Pentagon?
Your function will be provided with the five vertices of a pentagon (p) as well as the center point (cp) and radius (r) of a cir...

2 months ago

Solved

How to subtract?
*&plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn* * Imagine you need to subtract one...

2 months ago

Solved

Van Eck's Sequence's nth member
Return the Van Eck's Sequence's nth member. For detailed info : <http://oeis.org/A181391 OEIS link> and <https://www.theguard...

2 months ago

Solved

Sums of Multiple Pairs of Triangular Numbers
This is a follow-up to <https://www.mathworks.com/matlabcentral/cody/problems/44289 Problem 44289> - Find two triangular numbers...

2 months ago

Solved

I Plead the Fifth
Write a function to provide a yes or no answer to the input string. However, it must plead the 5th amendment (return an empty st...

2 months ago

Solved

Breaking Out of the Matrix
Do you want to take the Red Pill, or the Blue Pill? If you take the Blue Pill, you will simply pass along to the next problem...

2 months ago

Solved

Get chain of consecutive characters
Write a function that will output a chain of consecutive characters, given 2 letters as input. It has to work backwards too. Exa...

2 months ago

Solved

Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

2 months ago

Solved

yet another flying fly (YAFF)
Same as the previous problem <http://www.mathworks.com/matlabcentral/cody/problems/203-fly-fly-away fly fly away> but now with *...

2 months ago

Solved

fly fly away
A fly moves following a predefined sequence of discrete jumps (defined by the vectors _dx_ and _dy_) repeating the same sequence...

2 months ago

Solved

Mo money, mo math 1! (★★★)
(adapted from Prob 9 Cody team) You have a vector where the elements represent the number of $20 bills, $10 bills, $5 bills, ...

2 months ago

Solved

Extract leading non-zero digit (★★★★★)
(Copy of Problem 47) Benford's Law states that the distribution of leading digits is not random. This is probably because man...

2 months ago

Solved

Map all the indices of an Array Indices into a Vector giving Index vs Row and Column
Create an array of the row and column values for the indices of an array. This is typically performed using [r c]=ind2sub(siz...

2 months ago

Solved

Matrix indexing with two vectors of indices (★★)
(copy of Prob 589) Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)). Thus, if...

2 months ago

Solved

Implement zero-based indexing for Matrices
Given an input vector and position (which is zero based) output the value Example: x = [1 2; 4 5] pos = [0 1] value = 5 ...

2 months ago

Solved

Beat the test suite if you can :)
Solve this problem based on clues in the test suite.

2 months ago

Solved

Periodic Table 101.
Given the atomic number (z), answer the symbol for that particular element of the <http://en.wikipedia.org/wiki/Periodic_table/ ...

2 months ago

Solved

Figurate number triangle
Check whether the input matrix is a figurate number triangle: <http://mathworld.wolfram.com/FigurateNumberTriangle.html>

2 months ago

Solved

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...

2 months ago

Solved

Get the area codes from a list of phone numbers
Given a string of text with phone numbers in it, return a unique'd cell array of strings that are the area codes. s = '508-647...

2 months ago

Solved

Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';

2 months ago