# Alex Pedcenko

Last seen: 11 dagen ago Active since 2017

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Submitted

Audio spectrum analyser from microphone
Records signal from microphone in a loop, plots frequency spectrum

Submitted

3D Heat equation solution with FD in MATLAB
This is a MATLAB code for solving Heat Equation using explicit Finite Difference scheme, includes steady state and transient

Submitted

N-body simulation with ode45
Gravitational N-body simulation using ode solvers of MATLAB

Submitted

wave3d
MATLAB code for solving 3D wave equation numerically with explicit finite difference scheme

Submitted

Wave2d
2D Wave equation solved in MATLAB with finite difference method

Solved

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

bijna 4 jaar ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

bijna 4 jaar ago

Solved

Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

bijna 4 jaar ago

Removing Unwanted data from a bunch of data
It is because the number of data points is not exactly the same in all the curves, "missing" points are padded as zeros. E.g. l...

ongeveer 4 jaar ago | 2

| accepted

Removing Unwanted data from a bunch of data
I think you need to split your [n x 2] data array into separate curves, then perform find on all curves when e.g. y-value exceed...

ongeveer 4 jaar ago | 1

Question

Will MATLAB Live editor ever support spellcheck?
It is quite frustrating when writing documents in MATLAB Live editor to find there is no spellcheck facility.

ongeveer 4 jaar ago | 3 answers | 2

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Submitted

Reading data from mobile phone sensors (mobiledev)
Shows how to save/update mobile phone sensors' logs to MATLAB Drive continuously (sensors.m) and access this data from PC (plots...

There is a way to achieve some level of individualisation in Grader. Unfortunately it is not possible to generate problem descri...

ongeveer 4 jaar ago | 3

Solved

Parse me a Lisp
*Description* In Lisp and its variants, function calls are done using parenthesis where the first item in the parenthesis is ...

meer dan 4 jaar ago

Solved

Birthday cake
It's Cody's 5th birthday, and you've been tasked with putting the candles on the cake. Your goal is to maximize the distance bet...

meer dan 4 jaar ago

Submitted

N-body simulation with leapfrog scheme
Interactive gravitational N-body simulation using Leapfrog DKD scheme.

Gtk-Message: 10:32:31.466: Failed to load module "canberra-gtk-module"
this is not the "problem"

bijna 5 jaar ago | 0

Function call in ode45 does not work?
it looks like there are not enough arguments to ode45 [t,y] = ode45(odefun,tspan,y0) if you give odefun and all 4 inputs t...

bijna 5 jaar ago | 0

Formulation to Matlab code
seems OK

bijna 5 jaar ago | 0

Submitted

snake
This example demonstrates how to get mouse coordinates in figure

How to export figures as pdf without truncated borders.
This seems to happen when you are saving "maximized plot" window to PDF. MATLAB tries to fit figure into portrait page layout (...

bijna 5 jaar ago | 1

Question

why "MATLAB Support Package for Android Sensors" is not available any more????
why "MATLAB Support Package for Android Sensors" is not available any more????

bijna 5 jaar ago | 1 answer | 0

### 1

Question

>> ones(5,1)+ones(1,5) ans = 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...

meer dan 5 jaar ago | 1 answer | 0

### 1

Solved

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...

bijna 7 jaar ago

How do I plot a toroid in MATLAB?
R=5; % outer radius of torus r=2; % inner tube radius th=linspace(0,2*pi,36); % e.g. 36 partitions along perimeter of the tu...

bijna 7 jaar ago | 8

Solved

An asteroid and a spacecraft
&#128640 Imagine a non-relativistic simple situation. Assume positions p0, p1, p2, and p3 are three dimensional Cartesian ...

bijna 7 jaar ago

Solved

Sums of Distinct Powers
You will be given three numbers: base, nstart, and nend. Write a MATLAB script that will compute the sum of a sequence of both ...

bijna 7 jaar ago

Solved

Acid and water
&#9878; &#9878; &#9878; &#9878; &#9878; &#9878; &#9878; &#9878; Assume that there is a 100 liter tank. It is initially fi...

bijna 7 jaar ago

Solved

"Cody" * 5 == "CodyCodyCodyCodyCody"
*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...

bijna 7 jaar ago

Solved

The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

bijna 7 jaar ago