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A matrix of extroverts

Now that the introverts have had their script, the extroverts spoke up (naturally!) and demanded one as well. You will be given...

casi 5 años ago

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Sum of series V

What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

casi 5 años ago

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Find same numbers touching each other...

So the goal here is to find any number that is equal to its immediate neighbors and mark it true. Here is some examples: x...

casi 5 años ago

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Get all corner elements from a matrix where dimension of matrix is always equal to or greater than 2.

if a given matrix a = [1 2 3;4 5 6]; so answer is going to be [1 3;4 6]

casi 5 años ago

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MATLAB Basic: rounding III

Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

casi 5 años ago

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A matrix of introverts

You are given a matrix full of numbers who happen to be very shy. Write a MATLAB function that will put a square of zeros aroun...

casi 5 años ago

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Find the position of last minimum value in an integer array with numbers

If x = [2 6 4 9 -10 3 1 5 -10] then the output should be 9, because last minimum value (-10) lies at the 9th position.

casi 5 años ago

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exactly?

given two strings of numeric expressions such as '1-7/14' and '11/22+0.2^2', return 1 if they are numerically exactly equal othe...

casi 5 años ago

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How long does it take to run a bath?

Given the *volume flow rate* (volume/time) of a faucet and the *volume* of a bath tub, find the amount of time it takes to fill ...

casi 5 años ago

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Procrustean bed

Given a vector x and an integer n, convert x to a vector of length n by (1) chopping off the end if it is too long, or (2) addin...

casi 5 años ago

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imaginary results

Return the value of the imaginary number i to the power of input argument n.

casi 5 años ago

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Parallel vectors

Return true or false depending on whether 2 vectors are parallel or not. Vectors can be 2 or 3 dimensional. The origin is not c...

casi 5 años ago

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Create incrementing array

Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...

casi 5 años ago

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Duplicate a character

Duplicate a character 'n' times. Example 1: str='a' n=5 output='aaaaa' Example 2: str='*' n=3 output='***'

casi 5 años ago

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Remove All elements less than 5

Given an input vector x, remove all elements of x less than 5 . Example: Input x = [ 1 2 5 7 3 ] Output y is [ 5 7 ...

casi 5 años ago

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Get the elements of diagonal and antidiagonal for any m-by-n matrix

In the problem <http://www.mathworks.com/matlabcentral/cody/problems/858-permute-diagonal-and-antidiagonal Problem 858. Permute ...

casi 5 años ago

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Basic commands - Left division matrix

Please write a function which will left division of A,B Pay attention this is right division: A/B

casi 5 años ago

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Pi Estimate 1

Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>

casi 5 años ago

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count to vector

Return a matrix of numbers of dimension K by N, where K = prod(v), and N=length(v). The rows count from a vector of ones up to v...

casi 5 años ago

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MATLAB Basic: rounding IV

Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

casi 5 años ago

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Add two different item as shown in example

Add two different item as shown in example x=5; y='ab'; Then output must be'5ab';

casi 5 años ago

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Complex transpose

Calculate the transpose of a matrix having complex numbers as its elements without changing the signs of the imaginary part. ...

casi 5 años ago

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Remove the middle element from a vector

Remove the middle element of a vector? *Example:* [1,2,3] should return 2 [1,2,3,4] should return 2 [] should return...

casi 5 años ago

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Reshape a Vector

Write a function that accept three inputs. The first one is a row vector S. The second and third arguments are m and n which de...

casi 5 años ago