Mark Posen
RPC Telecommunications Ltd.
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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MATLAB Central Community 20 Year Anniversary Treasure Hunt participant badge
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Content Feed
Solved
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...
alrededor de 1 mes ago
Solved
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...
alrededor de 1 mes ago
Solved
Backgammon #4 - Dice Probabilities
Previous problems in this series have looked at how a backgammon board might be represented, and board positions manipulated and...
alrededor de 1 mes ago
Solved
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) ...
alrededor de 1 mes ago
Solved
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,...
alrededor de 1 mes ago
Solved
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...
alrededor de 1 mes ago
Solved
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]
alrededor de 1 mes ago
Solved
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...
alrededor de 1 mes ago
Solved
Create tangent function out of cosine only
Please don't use tangent and sine functions
alrededor de 1 mes ago
Solved
Create tangent function out of sine function only
Please don't use cosine and tangent functions
alrededor de 1 mes ago
Solved
Create tangent function out of sin and cos
Please don't use tan(x) directly
alrededor de 1 mes ago
Solved
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
alrededor de 1 mes ago
Solved
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 ...
alrededor de 2 meses ago
Solved
Arrow!!
Write a script that gives (( follow the example)) if x=4 & output= 1 1 1 1 1 1 0 1 1...
alrededor de 2 meses ago
Solved
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!!!
alrededor de 2 meses ago
Solved
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 ...
alrededor de 2 meses ago
Solved
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.
alrededor de 2 meses ago
Solved
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(...
alrededor de 2 meses ago
Solved
Throw common elements of two vector arrays
Throw common elements as output of two given input vector arrays
alrededor de 2 meses ago
Solved
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
alrededor de 2 meses ago
Solved
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.
2 meses ago
Solved
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.
2 meses ago
Solved
Energy of an object
Calculate the total mechanical energy of an object. Total Energy= Potential energy + Kinetic energy P.E.=m*g*h K.E.=1/2...
2 meses ago
Solved
Display negative numbers
Given array,x, display all the negative numbers and display output as y. Example x=[1 -2 3 -4] , output is y=[-2 -4].
2 meses ago
Solved
Create a constant offset.
Add a constant offset to an array. Example a = [1 3 5 9] offset = 2 y = [3 5 7 11]
2 meses ago
