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SatCom #3: Free Space Path Loss
*Satellite and Space Engineering - Problem #3* _This is part of a series of problems looking at topics in satellite and space...

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SatCom #1: Wavelength of an electomagnetic wave
*Satellite and Space Engineering - Problem #1* _This is the first of a series of problems looking at topics in satellite and ...

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How to mark an area inside a map with defined latitude and longitude
% Clear workspace and close all figures close all; clear all; clc; % Function to densify lat/lon lines for...

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How to mark an area inside a map with defined latitude and longitude
Hi Natasa, I saw your post about the region plotting issue and I think I can help! I ran into the same problem before whe...

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Juggling
There is a notation system for <http://en.wikipedia.org/wiki/Juggling jugglers> called <http://en.wikipedia.org/wiki/Siteswap si...

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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...

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Distance of the centroids of the balls
Given *n* balls of radius *r* and the vector *p (nx3)* with all position *(x,y,z)* of the balls, return the symmetric matrix *A ...

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Elastic Collision 001: 1-D
Elastic Collision of two particles. <http://en.wikipedia.org/wiki/Elastic_collision wiki Elastic Collision> Solve Conservat...

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Center of mass
Given a matrix M(m,n), where m is the number of vertices of the geometrical element and n is 2 or 3 (2D-plane figure or 3D-solid...

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center of mass
R is a given matrix with size [n,2]. R(i,:) is interpreted as the 2D-position of a mass point with mass i. Calculate the center ...

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SatCom #2: Gain of a circular 'dish' antenna
Satellite and Space Engineering - Problem #2 This is part of a series of problems looking at topics in satellite and space comm...

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SatCom #6: Inclination of a Sun-Synchronous Orbit
Satellite and Space Engineering - Problem #5 This is part of a series of problems looking at topics in satellite and space comm...

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SatCom #4: Satellite Orbit Altitude
Satellite and Space Engineering - Problem #4 This is part of a series of problems looking at topics in satellite and space comm...

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Make this optimization work
Hi @Ionel, Your `FiniteDifferenceStepSize = 1e-6` is way too small for an ODE-based optimization. fmincon is testing gains li...

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Mirror, mirror on the wall, who is fairest of them all?
The Elo rating system was featured in the movie *The Social Network* during the <https://www.youtube.com/watch?v=BzZRr4KV59I/ al...

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James Bond film count
Twenty-three James Bond films have been produced, in the years 1962, 1963, 1964, 1965, 1967, 1969, 1971, 1973, ... 197...

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How to add noise in a SAR single point target simulation
Hi @Jason, For SAR simulations, speckle noise is typically the main issue since it's *multiplicative*, meaning it scales with...

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Deduce Equations for Simplified Interstellar Doppler Effect ✨
R2-D2 and C-3PO are friends. R2-D2 boards a spacecraft bound to a galaxy far, far away, but is always in contact with C-3PO, als...

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TRON strategy toggle
Detect whether your lightcycle is on same side of existing walls as opponents lightcycle. This function is useful in toggling a ...

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How many jokers?
* Given DNA codes of a group of suspects, * and a code for certain types of jokers, * Count how many jokers of that type. * ...

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Who has power to do everything in this world?
There is only one person who is older than this universe. He is Indian version of Chuck Norris.

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Model Perfectly conducting fluid pipe simscape
Hi Jelmer, I think the issue is that your Pipe (TL) blocks are adding their own thermal mass and heat transfer, which is why ...

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Coin change combinations.
Using only pennies (1), nickels (5), dimes (10), quarters (25), half dollars (50), and dollars (100), how many different combina...

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Calculate Wind Chill Factor
The NWS Wind Chill Temperature (WCT) index formula for calculating the dangers from winter winds and freezing temperatures: Cal...

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How can I remove C style casting in rtwtypes.h
Hi @Troy, I checked the MathWorks documentation, and it looks like there isn’t a built-in way to generate *rtwtypes.h` using ...

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Convert a temperature reading from Celsius to an unknown scale
Two of the most famous temperature scales are the Celsius and the Fahrenheit scale. In reality, however, there are so many other...

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Assistance to import variables to Wavelet Frequency Analyzer App to plot scalogram
Hi @Angel Lozada, I see what's happening with your code. You're actually creating the amplitude and amplitude_lim varia...

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here is the problem in fuzzy logic controller i dont understand how to fix flc in simulink and sort out this problem.
Hi @Faria, I have reviewed your attachment and posted comment. The warning in your provided attachment means your input signa...

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How come my Daq Session isnt continous?
@Michael — the behavior you’re seeing is actually expected with how MATLAB handles background DAQ sessions. When you call `start...

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I'm trying to solve for my inverse kinematics for a 3RRR plannar pkm, my theta is close but apparently it should be accurate to about 2 decimal places and mine is off by 0.5
Hi @Phembuvuyo, I saw your post from earlier today about the inverse kinematics problem you're working on for your 3RRR plana...

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