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Number of nonzero elements in matrix
Calculate the number of nonzero elements for given matrix

10 years ago

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Wrap-around effect
In vector x of length n we define (n+1) position as going back to the first position (so called wrap-around effect). Can you ret...

10 years ago

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Odd row
Create a row 'y' with odd numbers where the potential maximum number is given by 'x' and the space between them by 'm'. The firs...

10 years ago

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Sum of digits of powers of 2
Given n, first, calculate the number 2^n. Then, sum the digits that comprise that number. For example: Input: n = 7 2^n = ...

10 years ago

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What's size of TV?
Many people buy TV. Usually they ask about diagonal. But also important are width and height. Let's assume that all TV have rati...

10 years ago

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kmph to mph converter
Convert the speed in miles/hour to km/hour.

10 years ago

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Back to Basics - New Data Type in R2016b - convert a char to a string
Convert an char array into a string.

10 years ago

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Rotate array 90 degrees
Rotate the given matrix by 90 degrees. Example, A = [1 2 3 ; 4 5 6 ] B = rotated(A) = [ 3 6; 2 5; 1 4 ]

10 years ago

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Number of primes
Count the number of primes less than 'n'.

10 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...

10 years ago

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Simple polynomial evaluation
Compute the value of a polynomial of degree n with all coefficients '1', at value x. n is always n>=0. p(x)=1+x+x^2+...+x^n...

10 years ago

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Iterative sum of digits of 2^n number
Given n, calculate the number 2^n (where n>=0) and *iterate* until the sum of the digits is a single-digit number. Example: ...

10 years ago

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Get factory-defined property values
Given a property name (e.g. 'AxesUnits', 'LineMarkerSize', 'UicontrolBackgroundColor'), return the factory-defined value for tha...

10 years ago

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Polynomial evaluation
Compute the value of a polynomial of degree n with coeffcients in vector a, at value x. p(x)=a(1)+a(2)x+a(3)x^2+...+a(n+1)x...

10 years ago

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Upper Matrix in LU Decompositon
Get the Upper Matrix of the Matrix Given Please have a pride on not using built-in Matlab functions :)

10 years ago

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Convert decimal to hex as shown in test cases
Convert decimal to hex as shown in test cases.

10 years ago

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Find the diagonal of the square of side L
You are given a square of side length L, find D the length of its diagonal.

10 years ago

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Non trivial identities - differentiation
Return x by differentiating it.

10 years ago

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Non trivial identities - flipping
Return x by flipping it.

10 years ago

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Non trivial identities - summation
Return x by adding a random number to it.

10 years ago

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Create a constant offset.
Add a constant offset to an array. For example: a=[1 3 5 9]; offset=2; y=[3 5 7 11];

10 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 ...

10 years ago

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Odd times 3
Given a input matrix x, multiply all odd values by 3. Even values remain the same. example: x = [1 2 3 4 5;... 6 7...

10 years ago

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BaeIsAlwaysRight
Output yes whatever bae says

10 years ago

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Convert decimal to binary and then generate the minimum binary it can with jumbling
input is 10 --> 1010 output should be 3 --> 0011 input 23 --> 10111 output should be 15 --> 01111

10 years ago

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Freebies anyone? No!!!!
Feel free to copy paste all the tests and voila you solved the problem

10 years ago

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Non trivial identities - reshape
Return x by reshaping it.

10 years ago

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Display negative numbers
Given array,x, display all the negative numbers and display output as y. Example x=[1 -2 3 -4] , output is y=[-2 -4].

10 years ago

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Maximum of ND-array
Find the maximum element of a N dimensional array. Example: A=[1 2 4 ; -20 4 10]; The maximum is 10.

10 years ago

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Binary Inversion
Given the unsigned 8-bit integer x, return the number y which is the binary inversion of x. For example if x is 5, y should b...

10 years ago