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Convert integer to base26 using letters
Write a function that converts a decimal integer to base26 using the letters of the english alphabet, i.e. 0->'a', 1->'b', 2->'c...

11 jours ago

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GJam: 2013 China Event: Cannon Angle
This Challenge is derived from <http://code.google.com/codejam/contest/2933486/dashboard#s=p1 GJam 2013 China Captain Hammer>. T...

12 jours ago

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Scrabble Scores
Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provi...

12 jours ago

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Find the average of a random sequance
Write a function that generates random integers within a loop, and calculates the mean of the positive numbers only. At each ...

12 jours ago

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This Challenge is derived from <http://code.google.com/codejam/contest/6304486/dashboard#s=p0 GJam 2017 Kickstart Leader>. This ...

12 jours ago

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Given a larger and smaller matrix, perform element-by-element multiplication on the smaller matrix and a sub-matrix of the large...

12 jours ago

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GJam 2014 China Rd A: Library Sorting (Large)
This Challenge is derived from <http://code.google.com/codejam/contest/2924486/dashboard#s=p2 GJam 2014 China Sorting>. Subset ...

13 jours ago

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GJam 2014 China Rd A: Library Sorting (Small)
This Challenge is derived from <http://code.google.com/codejam/contest/2924486/dashboard#s=p2 GJam 2014 China Sorting>. This...

13 jours ago

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Extract Built In Functions and Toolbox Functions from String or Function Handle
Find the Built-In functions and Toolbox functions in either a string or a function handle. Generate a string of alphabetized ...

14 jours ago

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Function Sniffer
Given a string, find out which built-in functions are present, output a simple string, that has sorted and unique list of the...

14 jours ago

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Numbers spiral diagonals (Part 2)
Inspired by Project Euler n°28 and 58. A n x n spiral matrix is obtained by starting with the number 1 and moving to the right ...

14 jours ago

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Calendar Matrix
Return a calendar matrix for the given values of month and year. Assume that Sunday is the first day of the week. The resulting ...

14 jours ago

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i was a mistake

14 jours ago

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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 + 123,45...

15 jours ago

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Find the definite integral of various linear functions
A definite integral had a minimum and maximum limit. When you solve this type of problem you must use both quad and the trapz fu...

16 jours ago

B&W Image to Excel File with 0 and 1
1) Use imread to read the image. The values in the uint8 (default format) array will be from 0 to 255. 2) Divide the array by 2...

17 jours ago | 0

Can someone help me "Error using sym/diff"
1) Your approach of declaring syms variable and taking x from -pi to pi as initial condition for using dsolve is incorrect . 2)...

17 jours ago | 0

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Britney unfolded
You have a long, narrow strip of paper. You are going to fold this strip of paper length-wise in half, than fold the folded stri...

18 jours ago

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Find all the zeros of sinus , cosinus and tangent in a given interval
The aim is to find all the zeros of a function within an interval. *Input* : * fcn : an anonymous function (@sin, @cos......

18 jours ago

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Number of bytes required to store a sparse matrix
The input will be a sparse matrix : x = sparse(100,1000,0.01); >>whos x shows that 8024 bytes ares required . The aim...

18 jours ago

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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...

18 jours ago

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R2012b atan in Degrees
Return in degrees the atan result of inputs for all four quadrants. *Examples:* [x, y] Degrees 1 0 0 1 1 ...

18 jours ago

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Divisible by 15
Write a function to determine if a number is divisible by 15. If a number is <http://www.mathworks.com/matlabcentral/cody/proble...

18 jours ago

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Decay Constant

18 jours ago

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Divisible by 12
Write a function to determine if a number is divisible by 12. Similar to the number six, this can be done by checking for divisi...

18 jours ago

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Easy Sequences 13: Average Speed of Spaceship
A certain alien spaceship is capable of traveling at extremely high velocities and is able to change speed instantaneously. The ...

19 jours ago

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Musical Note Interval 1 - Diatonic Scale
Assuming a simple diatonic C scale, calculate the interval (integer) between two notes (provided as strings). By applying number...

19 jours ago

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Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

19 jours ago

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QWERTY Shift Code Decoder
Decode a string encoded using the QWERTY shift code. QWERTY shift code is where the message was touch typed but with an offse...

19 jours ago

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Pig Latin to English Translator
Pig latin is a faux-language based off of English. The rules are as follows (excerpted from the <http://en.wikipedia.org/wiki/Pi...

20 jours ago