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Find matching parenthesis
One of the most indispensable things about a great text editor for programming is the ability to quickly jump between matching p...

etwa 3 Jahre ago

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

etwa 3 Jahre ago

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

etwa 3 Jahre ago

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

etwa 3 Jahre ago

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

etwa 3 Jahre ago

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

etwa 3 Jahre ago

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

etwa 3 Jahre ago

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

etwa 3 Jahre ago

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

etwa 3 Jahre ago

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

etwa 3 Jahre ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

etwa 3 Jahre ago

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Minefield Sonar
*Background* In mine-hunting games (e.g. Microsoft Minesweeper), the user is provided with a covered grid that, upon a left c...

etwa 3 Jahre ago

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Use of regexp
Given a string, containing several sentences, such as: 'I played piano. John played football. Anita went home. Are you safe?...

etwa 3 Jahre ago

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Is the paranthesis sequence balanced ?
Quantum mechanics and computer science are interested in <http://en.wikipedia.org/wiki/Bra%E2%80%93ket_notation bra-kets>. Today...

etwa 3 Jahre ago

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Find code that adds one 0 to each sequence of 0 in a string (composed with only 0 or 1). For example: '1010' -> '100100' ...

etwa 3 Jahre ago

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Find the sum of the negative elements under the main diagonal.
Example Input A=[1 2; -3 0] Output -3

etwa 3 Jahre ago

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i forgot to use capital I
When referring to yourself you should write "I" (capital) and not "i". So correct the input string x, but be aware that other u...

etwa 3 Jahre ago

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Return strings encapsulated by braces
Return all substrings that are contained within braces ({}). For example: str = 'x = rho*x{-1} + (1-rho)*y{+1}'; when...

etwa 3 Jahre ago

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My cat likes strings!!
Create a string of specified length or more. It's that simple!

mehr als 3 Jahre ago

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Graph is undirected. (s,t) in node pairs. Please, return full storage version of the matrix.(use _full(A)_ ) Input: s...

mehr als 3 Jahre ago

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Convert array of decimal numbers into binary numbers array.
Convert array of decimal numbers into binary numbers array. Example x = [1 2 3 4 5 6 7 8 ]; re...

mehr als 3 Jahre ago

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Convert array of decimal numbers into hexadecimal numbers array.
Convert array of decimal numbers into hexadecimal numbers array. Example x =[ 32 33 34 35 36 37 38 ...

mehr als 3 Jahre ago

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Non trivial identities - transpose
Return x by transposing it.

mehr als 3 Jahre ago

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Some tweaks in summation, Can you decode? :)
There are some tweaks in summation that you might observe via test suites Try if you can

mehr als 3 Jahre 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].

mehr als 3 Jahre 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...

mehr als 3 Jahre 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...

mehr als 3 Jahre ago

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Remove collinear points in a set of 2D points defining a polygon
Consider a polygon that is obtained by joining a set of 2D points whose coordinates are stored in matrix P=[x,y]. Write a functi...

mehr als 3 Jahre ago

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Standard Deviation
Find standard deviation of an array.

mehr als 3 Jahre ago

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Count the numbers
In a array x, count the number of times the number n appears in x. for example: x = [1 2 3 4 3 2 1 2] and n = 2 the answer sh...

mehr als 3 Jahre ago