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Rotate matrix by -90 degrees

Rotate a Matrix by -90 degrees Example: X = 1 2 3 4 5 6 7 8 9 output = 7 4 ...

4 years ago

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Get 1-4-3-4-4

Get the value of the indices in the title and assign it to an array

4 years ago

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Words Count: A String Array Approach

Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

4 years ago

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Words Count: A Cell Array Approach

Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

4 years ago

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When Was That Goal Scored?

We want to find out when the goals were scored in a particular soccer game. For each game, we are given a "Goal Event Data" XML ...

4 years ago

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surrounded centroid

create a [n*n] matrix. n must be odd number. its centroid is n which is surrounded by n-1. example: surround(5)= 1 2 ...

4 years ago

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Basic commands - Least common multiple

Make a function which will return least common multiple of "a" and "b" Example: a=8; b=6; y=24;

4 years ago

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Basic commands - amount of inputs

Make a function, which will return amount of given inputs Example: amountinput(1,2,4,3,10) -> 5 , because we gave functio...

4 years ago

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cross in array

Make a cross from "1" in odd size array. Other value from array should be equal to "0"; As input you get length of side of arra...

4 years ago

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Basic commands - rounding

make a function which will round to integer, which is nearer to zero. Example x=[-2.5 2]; y=[-2 2];

4 years ago

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Basics - not so easy division

Please make a function whcih divides x/y, but pay attention for some exceptions with NaN,0,Inf. Sometimes return "ERROR" instead...

4 years ago

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Basic commands - Greatest common divisor

Please write a function, which, will put as output greatest common divisor. Example: A = [-5 17; 10 0];...

4 years ago

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Which coins to give

I was in shop today. I admired, how shop assistant had to think, which coins to give me. The task is we have a vector v=[0.5 0....

4 years ago

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Number of cyles and fixed points in a permutation

A permutation can be constructed from one or more sets of elements in cyclic order. A permutation in a single row vector form ...

4 years ago

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Church Encoding

Church encoded numeral is a function which takes two arguments _f_ and _x_ and applies _f_ to _x_ several times. For example,...

4 years ago

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BASICS - sum part of vector

Please make a function, where as input you get vector "x" and and vector "c", where in "c" vector you get indexes to sum. Examp...

4 years ago

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angle in regular polygon

Make a function which returns measure of interior angle in x-side regular polygon. x is as input. Please pay attention, that 1 ...

4 years ago

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Sudoku square

We have a small Sudoku square, but one number is missing. x = [ 1 5 4 8 6 3 0 9 7 ] Make a function, wher...

4 years ago

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Piecewise linear interpolation

Given an Mx2 vector and a row of M-1 integers, output a two column vector that linearly interpolates Y times between each succes...

4 years ago

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Get linearly independent vectors of given matrix.

Get a set of linearly independent vectors from the rows of a given matrix. Example matrix=[ 3 -1 0 0 ; ...

4 years ago

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Polygonal numbers

The task of <http://www.mathworks.co.uk/matlabcentral/cody/problems/5 Problem 5> is to calculate triangular numbers. By playing ...

4 years ago

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Replace x value into y value in string text.

Replace x value into y value in string text. Example text='Hello World' x='World', y='Universe' result='Hello Universe'.

4 years ago

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Duplicate me

Repeat elements of vector input twice Ex: input = [1 2 3] output = [1 1 2 2 3 3]

4 years ago

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Prouhet–Tarry–Escott (basic)

Inspired by <http://www.mathworks.com/matlabcentral/cody/problems/660-find-a-subset-that-divides-the-vector-into-equal-halves pr...

4 years ago

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Prouhet–Tarry–Escott (basic)

Inspired by <http://www.mathworks.com/matlabcentral/cody/problems/660-find-a-subset-that-divides-the-vector-into-equal-halves pr...

4 years ago | 0 | 7 solvers

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Freebies anyone? No!!!!

Feel free to copy paste all the tests and voila you solved the problem

4 years ago

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Determine whether a vector is monotonically increasing

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

4 years ago

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The Goldbach Conjecture

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

4 years ago