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Mark Posen


RPC Telecommunications Ltd.

Last seen: Today Aktiv seit 2020

I am a satellite communication engineer, specialising in spectrum and regulatory engineering, interference analysis and frequency coordination. I have been programming since the mid-1970s (I used to be able to code by hand-punching Hollerith Cards!) but for the past 20-years or so I have really not done much coding at all. I'm trying to remedy that by learning MATLAB!

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Air Mass to Star for an Observer at Mean Sea Level
Air mass is a measure of how much atmosphere light from a source above the atmosphere (eg sun, planet, star) has to travel throu...

ein Tag vor

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Find Air Temperature from Cricket Stridulation Rate
Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...

2 Tage vor

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Volume of Cylindrical Shell

3 Monate vor

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Double the next!
Given two numbers, m and n, find a matrix m x n where each element value is twice the value of the previous element. Starting fr...

8 Monate vor

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An n-sided regular polygon is drawn within a circle whose radius is 'r', what will be the area of the polygon?
area of a polygon is p*a/2. where, p is the perimeter and a is the apothem i.e. the normal distance from center to any of the si...

9 Monate vor

Gelöst


Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

9 Monate vor

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Narcissistic problem
How many likes has this problem?

10 Monate vor

Gelöst


Backgammon #4 - Dice Probabilities
Previous problems in this series have looked at how a backgammon board might be represented, and board positions manipulated and...

10 Monate vor

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Total resistance of a network of resistors in series and parallel
What is the total resistance of a network of resistors in series and in parallel? A matrix R contains the resistances (in Ohm) ...

10 Monate vor

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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,...

10 Monate vor

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

10 Monate vor

Gelöst


Delete x value in given vector y.
Delete x value in given vector y. Exapmle x=5; y=[ 1 2 5 6 74 5 2 5] result=[1 2 6 74 2]

10 Monate vor

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For a rectangle, if x is the length and 2x is width. Then find out x from the area of the rectangle?
For a rectangle, if x is the length and 2x is the width. Then find out x from the area of the rectangle? if the area is equal...

10 Monate vor

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Create sine function out of cosine
Please don't use sin(x) directly

10 Monate vor

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Create tangent function out of cosine only
Please don't use tangent and sine functions

10 Monate vor

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Create cosine function out of sine
Please dont use cos(x) directly

10 Monate vor

Gelöst


Create tangent function out of sine function only
Please don't use cosine and tangent functions

10 Monate vor

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Create tangent function out of sin and cos
Please don't use tan(x) directly

10 Monate vor

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Convert decimal to binary and then generate the minimum binary it can with jumbling
input is 10 --> 1010 output should be 3 --> 0011 input 23 --> 10111 output should be 15 --> 01111

10 Monate vor

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Generate a matrix as follows
write a Function that gives like the following for a random n: n=2 ans= [ 0 1 1 0] n=6 ans= [ 0 ...

10 Monate vor

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Arrow!!
Write a script that gives (( follow the example)) if x=4 & output= 1 1 1 1 1 1 0 1 1...

10 Monate vor

Gelöst


STOP that car!!!
The maximum allowed speed for this road is 100. Find the cars that didn't observe the speed limit Arrest and fine them!!!

10 Monate vor

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Finding two missing number in 1 to n array
You are given an array of numbers from 1 to n with two missing numbers. Return the two missing numbers. Input: x=[5 2 0 1 ...

10 Monate vor

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Get the n-th rand number with given seed
Given seed s, return the n-th rand number using rand(). Round the answer with 4 digits. n is a postive integer.

10 Monate vor

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Consecutive Powers
Return 2 numbers and 2 powers such that their difference is 1 A 4 element row vector is expected: x where x(1)^x(2) - x(...

10 Monate vor

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Throw common elements of two vector arrays
Throw common elements as output of two given input vector arrays

10 Monate vor

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Throw common elements of two vector arrays in sorted manner
Throw common elements as output in sorted manner (acending order) of two given input vector arrays

10 Monate vor

Gelöst


Determine the roots of a cubic equation
Given the coefficients a, b, c, and d of a cubic equation, a*x^3 + b*x^2 + c*x + d = 0, determine its roots.

10 Monate vor

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Roots of a quadratic equation.
Calculate the roots of a quadratic equation, given coefficients a, b, and c, for the equation a*x^2 + b*x + c = 0.

10 Monate vor

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Nth root
Nth root of a number x

10 Monate vor

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