# Darina Bartova

working for UCT Prague

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MATLAB

**Spoken Languages:**

English

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**Content Feed**

Solved

Crop an Image

A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

1 day ago

Solved

Find out sum of all elements of given Matrix

Find out sum of all elements of given Matrix A=[1 2 3;4 5 6 ;7 8 9]; Answer must be: 45 *If you like this problem, pl...

1 day ago

Solved

Wind Chill Computation

On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the "wind chill," i...

1 day ago

Solved

Matlab Basics - Absolute Value

Write a script that returns the absolute value of the elements in x e.g. x = [-1 -2 -3 -4] --> y = [1 2 3 4]

1 day ago

Solved

Matlab Basics II - Log and natural log

Write a function that calculates the difference between the log and natural log of a vector, to two decimal places example: ...

1 day ago

Solved

Matlab Basics - Rounding I

Write a script to round x DOWN to the next lowest integer: e.g. x = 2.3 --> x = 2 also: x = 2.7 --> x = 2

1 day ago

Solved

Matlab Basics - y as a function of x

Write a function to calculate y as a function of x, such that y = 6x^2 + 5x - 2

1 day ago

Solved

Pi Estimate 1

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

3 days ago

Solved

Quadratic equation

given three inputs (a, b, c) for the equation a*x^2+b*x+c=0; return 1 if the roots are complex (non zero imaginary), and 0 if th...

3 days ago

Solved

Sunday bonus

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

3 days ago

Solved

First N Perfect Squares

*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

5 days ago

Solved

Perfect square.

Determine if the input is a perfect square or not. Example - If input is 25, return 1. If input is 17, return 0.

5 days ago

Solved

Area of a Square

Given the length x of the side of a regular square, find the area of the square, A.

5 days ago

Solved

Create sequnce 1 4 9 16 25.........

Create sequnce 1 4 9 16 25......... upto entered input value using matlab scripting commands. Let y be output and x be input

14 days ago

Solved

05 - Vector Equations 2

Define the vectors _aVec_ and _bVec_: <<http://samle.dk/STTBDP/Assignment1_2a.png>> and <<http://samle.dk/STTBDP/Assig...

14 days ago

Solved

Kinetic Energy

Given the mass m and velocity v of an object, determine its <http://en.wikipedia.org/wiki/Kinetic_energy kinetic energy>.

14 days ago

Solved

Factorial Numbers

Factorial is multiplication of integers. So factorial of 6 is 720 = 1 * 2 * 3 * 4* 5 *6 Thus 6 factorial = factorial(720)....

14 days ago

Solved

Sum the squares of numbers from 1 to n

For a given value of n return the sum of square of numbers from 1 to n. Example For n = 2 then sum of squares = 5 (1^2 + ...

14 days ago

Solved

Divide by 4

Given the variable x as your input, divide it by 4 and put the result in y.

14 days ago

Solved

Square the input

Given a scalar or vector x, return the square of each element. Example x = [7 2] answer = [49 4]

14 days ago

Solved

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...

14 days ago

Solved

Frobenius Norm

Write your own version of Frobenius Norm without using the 'norm' function.

15 days ago

Solved

Find the "ordinary" or Euclidean distance between A and Z

A, B and Z define three points in the 3D _Euclidean_ space of the form: A = [x1;y1;0]; B = [x2;y2;0]; Z = [x2;y2;z]; Find th...

15 days ago