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Solved
Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...
9 years ago
Solved
Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...
9 years ago
Solved
Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.
9 years ago
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Strangest ways to get 0
Propose your non-trivial way to get 0. Look mine's, and try to do your best!
9 years ago
Solved
Find max prime number
Given integer number n. Find the max prime number (mpn) that smaller than or equal to n. Example: n = 10 --> mpn = 7
9 years ago
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Longest Divisor Run
Given the vector a, find the longest run of consecutive numbers that can be evenly divided by the same number d where d > 1. ...
9 years ago
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Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...
9 years ago
Solved
Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...
9 years 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 ...
9 years ago
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Knight's Tour Checker
Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...
9 years ago
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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...
9 years ago
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Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...
9 years ago
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Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5
9 years ago
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Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...
9 years ago
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All capital?
Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0
9 years ago
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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...
9 years ago
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Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.
9 years 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
9 years ago
Solved
Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...
9 years ago
Solved
Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...
9 years ago
Solved
Circle area using pi
Write a statement that assigns circleArea with the circle's area given circleRadius. Use the built-in mathematical constant pi. ...
9 years ago
