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Wayfinding 3 - passed areas
This is the third part of a series of assignments about wayfinding. The final goal of this series is to be able to calculate the...

8 years ago

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Packing oranges - one layer
Help the seller to pack oranges efficiently. How many oranges can be put into a box in one layer without squeezing them? Give...

8 years ago

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Diagonal Pattern
For a positive integer |n|, return an |nXn| matrix |mat| such that the value of each element in row |i| and column |j| is given ...

8 years ago

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Find NaNs in the matrix
Return 1s wherever there is a NaN in the input matrix

8 years ago

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A kind of decryption
Please convert the vector to letters by referring to the examples below. (eg.1) input vec=[34 1 59] >>> output s='A Z' (eg...

8 years ago

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basic finance application
i watch bloomberg everyday and i want to estimate a stock price stability, so i have to calculate the momentum & the rate of cha...

8 years ago

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Increasing sub-sequence (Level 2)
This is the next step up from <http://www.mathworks.com/matlabcentral/cody/problems/42837-increasing-sub-sequence-level-1 Proble...

8 years ago

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Find if a given sentence is a palindrome
Given a string/character array, return true if the string is a palindrome else returns false. For example: sample_text =...

8 years ago

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Find the repeating elements and repetitions of a row vector.
So let's say that x is a vector, for example, x = [4, 4, 5, 5, 5, 6, 7, 7，8, 8, 8, 8] Now we want to get the following two ve...

8 years ago

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Good Morning :)
Just submit your solution between 05:00:00 and 10:00:00 (AM = Ante Meridiem = Before Noon). _Note : Consider Cody Server Time...

8 years ago

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Find the missing numbers.
Total *N* numbers are in the series of natural numbers ( *1,2,3,...,N* ). The input is an array (unsorted) of those natural num...

8 years ago

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Are you more familiar with iteration methods or Linear Algebra? Let's see together.
Given a sum result *_x_* value of a *_N_* number of addends, build an array of _*N*_ elements _*y*_ such that the following equa...

8 years ago

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short or buy ? take the opportunity
you had already calculated a theoretical stock value, now you checked in bloomberg the quoted price of that stock and you have t...

8 years ago

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Exponential decay
Many dynamic processes can be approximated as an exponential decay. This applies to radioactive decay, some chemical reactions, ...

8 years ago

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ASCII sum of phrases
Find the sum of the numeric equivalents of all characters entered in a phrase. For example: for the phrase 'My name is test', th...

8 years ago

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Adding Numbers
Add the input numbers to the original.

8 years ago

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Happy Free Wednesday!
Just submit your solution on any Wednesday. *Related Challenges:* # Happy Free Wednesday! # Happy Free 2019! # Happy Fr...

8 years ago

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Create a magic square matrix for a given odd integer
A magic square of size 'N' is a matrix that satisfies the following criterias: # Dimension - NxN # Matrix should contain ALL...

8 years ago

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Calculating the total earnings of a factory
The row vector, prods contains the number of various products manufactured per hour. The second row vector, prices holds values ...

8 years ago

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Determine the number of correct and incorrect answers
In a Multiple Choice Question Test, you are to sort out answer from 4 samples, one of them is correct answer. There are 50 quest...

8 years ago

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Normie Function (2)
Another _Normie Function_ defined as _f(n)= f(n-1)+f(n-2)+f(n-3)_ , *when n>3* and _1_ , *when n<=3*. *Find the nth term of this...

8 years ago

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Normie Function
So, I built a function and gave it a name- _Normie_. *Find the nth term of Normie function:* _f(n)= 1*f(n-1)+ 2*f(n-3)+ 3_ , *...

8 years ago

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The proportion of NaN in the data
If NaN occupies less than half of the input data, return 1, otherwise return 0. eg. input x = [1 2 NaN ; 4 NaN 6] >>> out...

8 years ago

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what's my tax amount this year ?
given an annual salary x and a tax rate i calculate the amount that you have to pay.Example x = 70000; i=.10 y_correc...

8 years ago

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Matrix to vector transformation
given a matrix, make in the output 1 column vector putting odd numbers in ascending order after that put the even numbers in des...

8 years ago

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The twelve days of Christmas
Traditionally there are twelve days of Christmas to celebrate ("Twelvetide"), typically starting with Christmas Day (25 December...

8 years ago

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currency converter
given a rate of exchange calculate the equivalent units of 100 USD

8 years ago

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lb to kilogram
convert lb to kilogram units, easy

8 years ago

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Find the starting index of a consecutive condition
Given a logical vector |v|, and a positive integer |n|, return the smallest index |i| that satisfies: all( v(i : i+n-1) ) =...

8 years ago

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Please check the last row
We have data of matrix, that is input. That contains 2 or more rows and the last row should contain the average of each column,...

8 years ago