# Darina Bartova

working for UCT Prague

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MATLAB

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English

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**Content Feed**

Solved

Sunday bonus

Submit a solution on any Sunday and you will get 10 points. Only for MATLAB fans!

14 days ago

Solved

How many monitors are connected ?

How to obtain the numbers of monitors connected to your computer ?

2 months ago

Solved

Column norms of a matrix

Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

2 months ago

Solved

Deleting an element in a matrix

For vector Grades=[98 56 78 34 100 88 87], delete the number 78 to get the following matrix Grades=[98 56 34 100 88 87] **re...

2 months ago

Solved

Building matrices

If you have matrix A, create matrix B using matrix A as an "element" A = [1 2 3 4; 5 6 7 8...

2 months ago

Solved

Number of vertices of a hypercube

Return the number of vertices of a n-dimensional hypercube.

2 months ago

Solved

Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

2 months ago

Solved

So many choices

For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

3 months ago

Solved

Sorted highest to lowest?

Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

3 months ago

Solved

Finding fourier transform of a given vector

Find the fourier transform of a given input vector for ex a=[1 2 3 4] then y=[ 10.0000 + 0.0000i -2.0000 +...

3 months ago

Solved

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...

3 months ago

Solved

Plotting Practice

Plot cos(x) vs x as shown in the figure below. Include the appropriate title, x-label, and y-label. Note, it is case sensitive. ...

3 months ago

Solved

Sum of logarithms

Given a vector, v, of real positive numbers, compute the sum, s, of the base-10 logarithms of the elements of v, without the use...

3 months ago

Solved

Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

3 months ago

Solved

Volume of a box

Given a box with a length a, width b, and height c. Solve the volume of the box.

3 months ago

Solved

Compute Fibonacci Number

Compute the _n_-th Fibonacci Number f(0) = 0, f(1) = 1, f(2) = 1, f(3) = 2, ... f(42) = 267914296

3 months ago

Solved

the average value of the elements

Calculate the average value of the elements in the array

3 months ago

Solved

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...

3 months ago

Solved

Count up then down

Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

3 months ago

Solved

Replace values under a limit

For a vector x and number n, the goal is to find every element of x inferior to n and replace it by n. Example x= [ 1 2 3...

3 months ago

Solved

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 ...

3 months ago

Solved

Triangle sequence

A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

3 months ago