Solved

Make an awesome ramp for a tiny motorcycle stuntman

Okay, given a vector, say v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 3 6 9 11 0; 6 9 ...

mer än 11 år ago

Solved

Count photos

Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total nu...

mer än 11 år ago

Solved

Back to basics 14 - Keywords

Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

mer än 11 år ago

Solved

Back to basics 10 - Max Float

Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive floating-point number MATLAB can han...

mer än 11 år ago

Solved

Back to basics 9 - Indexed References

Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

mer än 11 år ago

Solved

Back to basics 11 - Max Integer

Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

mer än 11 år ago

Solved

Back to basics 8 - Matrix Diagonals

Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...

mer än 11 år ago

Solved

Back to basics 6 - Column Vector

Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

mer än 11 år ago

Solved

Back to basics 1 - Saving

Covering some basic topics I haven't seen elsewhere on Cody. Given an input variable 'x', save it to disk in a file named 'co...

mer än 11 år ago

Solved

Back to basics 22 - Rotate a matrix

Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

mer än 11 år ago

Solved

Is this group simply connected?

Given connectivity information about a graph, your job is to figure out if the graph is fully connected. You are given a list of...

mer än 11 år ago

Solved

Sum of diagonal of a square matrix

If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

mer än 11 år ago

Solved

Increment a number, given its digits

Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

nästan 12 år ago

Solved

Factorize THIS, buddy

List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

nästan 12 år ago

Solved

Return the Fibonacci Sequence

Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

nästan 12 år ago

Solved

Elapsed Time

Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

nästan 12 år ago

Solved

Reverse Run-Length Encoder

Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

nästan 12 år ago

Solved

Sorted highest to lowest?

Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

nästan 12 år ago

Solved

Pangrams!

A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

nästan 12 år ago

Solved

Sorting

Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

nästan 12 år ago

Solved

function on a moving window

Create a function that applies an operation (such as @sum, @mean, @std, @norm etc) to a moving window of the data. First exam...

nästan 12 år 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 ...

nästan 12 år ago

Solved

Snakes on a plane

Given the dimensions of a 2-d plane, create a matrix where a "snake" of ones occupies the plane from top left to bottom right. ...

nästan 12 år ago

Solved

Reverse the vector

Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

nästan 12 år ago

Solved

give nth decimal place of pi

max 15th place after the decimal point is ok for now

nästan 12 år ago

Solved

Find the alphabetic word product

If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

nästan 12 år ago

Solved

Too mean-spirited

Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

nästan 12 år ago

Solved

Which values occur exactly three times?

Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

nästan 12 år ago

Solved

Target sorting

Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

nästan 12 år ago