# Vladimir Socha

### Czech Technical University in Prague

Associate professor, lecturer and big Matlab fan.

**Programming Languages:**

Python, C++, C, C#, MATLAB, HTML, Arduino

**Spoken Languages:**

English

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**Content Feed**

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. ...

1 month ago

Solved

Plot Line Specifications

Create a line plot for function cos(x) where x is a vector of linearly spaced values going from 0 to input N with an increment o...

1 month ago

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3D Plots and Colorbars

Use the matrices X, Y, and Z provided in the function template to create a surface plot. Add a colorbar to the surface plot and ...

1 month ago

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Replicate elements in vectors

Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...

2 months ago

Solved

We love vectorized solutions. Problem 1 : remove the row average.

Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...

2 months ago

Solved

Construct an index vector from two input vectors in vectorized fashion

Create an index vector defined by two input vectors, one defining the beginnings of one or more index ranges, and the other defi...

2 months ago

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Create matrix of replicated elements

Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. Example: Input: ...

2 months ago

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Total resistance of resistors in parallel

What is the total resistance of a number of resistors in parallel? A vector R contains the resistances (in Ohm) of n resistors,...

2 months ago

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Create a figure and plot data

Given two data vectors (x,y), open a new figure and plot the data. Return the figure handle.

2 months ago

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Leonardo primes

Leonardo numbers are defined by following recurrence relation: Leonard prime is Leonardd number which is also prime (see ...

2 months ago

Solved

Area under the curve

Compute area under the curve specified by points stored in y, where y is in range (0,inf) and x time step is 1. note: please r...

2 months ago

Problem

Area under the curve

Compute area under the curve specified by points stored in y, where y is in range (0,inf) and x time step is 1. note: please r...

2 months ago | 1 | 19 solvers

Solved

Return a list sorted by number of consecutive occurrences

Inspired by Problem 38 by Cody Team. Given a vector x, return a vector y of the values in x sorted by the number of CONSECUTIVE ...

2 months ago

Solved

intersection of matrices

Given two matrices filled with ones and zeros, determine if they share a common row, column entry. These matrices are of identi...

2 months ago

Solved

Encode Roman Numerals

Create a function taking a non-negative integer as its parameter and returning a string containing the Roman Numeral representat...

2 months ago

Solved

Given two arrays, find the maximum overlap

Given two (integer) arrays s1 and s2, create a new array s3 which is as short as possible and contains both arrays. #1 s1 = [...

2 months ago

Solved

Find state names that end with the letter A

Given a list of US states, remove all the states that end with the letter A. Example: Input s1 = 'Alabama Montana Nebras...

2 months ago

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Return the middle element of an NxN square matrix where N is odd

Let's say you are given an NxN square matrix where N is always going to be an odd number: x = [ 1 2 3 4 5 6 7 8 ...

2 months ago

Solved

Sum of series I

What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

2 months ago

Solved

First N Perfect Squares

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

2 months ago

Solved

Tic Tac Toe FTW

Given a tic tac toe board: * 1 represents X * 0 represents empty. * -1 represents O It is X's move. If there is an imme...

2 months ago

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...

2 months ago

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Find the Best Hotels

Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

2 months ago

Solved

Find MPG of Lightest Cars

The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

2 months ago

Solved

Calculate Inner Product

Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

2 months ago

Solved

Rescale Scores

Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

2 months ago

Solved

Calculate a Damped Sinusoid

The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

2 months ago