Community Profile # David Tarkowski

### MathWorks

Last seen: 25 días ago Active since 2011

#### Statistics

All
• • • • • • • • #### Content Feed

View by

Solved

Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Given a number _n_, return the terminal value of the number chain formed by summing the square of the digits. According to the P...

alrededor de 3 años ago

Solved

Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation, * F_n = F_(n-1) + F_(n-2) * where F_0 = 0 and F_1 ...

alrededor de 3 años ago

Solved

Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

alrededor de 3 años ago

Solved

Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

alrededor de 3 años ago

Solved

Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

alrededor de 3 años ago

Solved

Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

alrededor de 3 años ago

Solved

Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

alrededor de 3 años ago

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.

alrededor de 3 años ago

Solved

Pentagonal Numbers
Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...

casi 4 años ago

Solved

Pernicious Anniversary Problem
Since Cody is 5 years old, it's pernicious. A <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer w...

casi 4 años ago

Solved

Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

casi 4 años ago

Solved

Energy of a photon
*&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883* Given the frequency F of a photon in giga hertz. Find energy E of this...

casi 4 años ago

Solved

How to subtract?
*&plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn* * Imagine you need to subtract one...

casi 4 años ago

Submitted

IMAQMOTION - Image acquisition motion detection
A live image acquisition motion detection GUI. Submitted

IMAQCALC - Image acquisition calculator
An image acquisition calculator to calculate the expected acquisition rate. Submitted

IMAQPLOT - Preview video data using callbacks
Demonstration of previewing Image Acquisition Toolbox video using Handle Graphics and callbacks.

Submitted

Motion Detection with Image Acquisition Toolbox & Simulink
Motion detection algorithm in Simulink using the Image Acquisition and Signal Processing Toolbox. Submitted

Ghosting Demo
GUI showing alpha blending of streamed image pairs. Submitted

Line value GUI
Analyze the intensity of an acquired image by line. Submitted

Custom File Format Logging
Allows users to define custom format for Image Acquisiton Toolbox file logging.

Submitted

Timed autosave
Periodically saves the contents of the workspace to a mat file.

This Images are effected by which noises?
That image looks like you are returning your image in the YCbCr color space but treating it as an RGB image. See http://www.math...

más de 6 años ago | 0

Trouble with videoinput and dcam device
You are using a Logitech camera which is a webcam. The |dcam| adaptor does not support webcams. If you are using the |videoinput...

casi 7 años ago | 1

| accepted

How do you access both camera sensors of the Bumblebee2 camera?
I haven't used the BumbleBee2, but the BumbleBee camera would return the data from both sensors as a single image. If each senso...

casi 7 años ago | 0

| accepted

Solved

Subset Sum
Given a vector v of integers and an integer n, return the the indices of v (as a row vector in ascending order) that sum to n. I...

casi 7 años ago

Solved

Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

casi 7 años ago

Solved

Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

más de 7 años ago

Solved

Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

más de 7 años ago

Solved

Remove the polynomials that have positive real elements of their roots.
The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the <http://www.ma...

más de 7 años ago

Solved

DNA N-Gram Distribution
Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

más de 7 años ago