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De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

11 months ago

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Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

11 months ago

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Counting in Finnish
Sort a vector of single digit whole numbers alphabetically by their name, in Finnish. See the Wikipedia page for <http://en.wik...

11 months ago

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Convert Volume Mixing Ratio to Density
The partial pressure of a constituent gas species of the atmosphere can be expressed in parts per million by volume. For exampl...

11 months ago

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Snow Accumulation and Structural Risks To Residential Properties
The density of snow depends on the amount of liquid water it contains: Dry Snow is about 50 kg/m^3 Wet Snow is about 200 kg/m^...

11 months ago

Answered
Extracting natural frequencies and mode shapes from a Simscape Multibody model
Hi @Edward Yap, I went through your comments and wanted to provide some additional detail on the linearization approach that ...

11 months ago | 0

Answered
How do I reset a connection to a picoscope without instrreset?
Hi @Patrick, I saw your question regarding the deprecation of `instrreset` in MATLAB R2025b, and I wanted to provide some ins...

11 months ago | 0

| accepted

Answered
Evaporator heat-flow reversed in refrigerant loop model (Simscape)
Hi @Aiden, Thanks for the update and glad my earlier comments helped you narrow this down. What you’re seeing fits well wi...

11 months ago | 0

| accepted

Answered
Reduced flexible model results across different MATLAB Versions
Hi @younghwa park, I looked at your code in the GitHub link provided by you and the deflection difference between version...

11 months ago | 0

Solved

Partial Pressure of Water Vapor from Relative Humidity
Buck (1996, 1981) published the following constants for the saturation pressure of water*: 6.1121 (mb) The saturation pressur...

11 months ago

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Pressure for a given Above Sea Level Altitude
For altitudes up to the stratosphere (around 11 km above mean sea level), the air pressure can be estimated from: with where...

11 months ago

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Air Density from Temperature and Pressure
The density of air can be estimated from the product of molar mass and molar density: Write a function that finds the densi...

11 months ago

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Molar Air Density from Temperature and Pressure
The molar density of air can be found from the Temperature and Pressure using the ideal gas law. where the Molar density STP ...

11 months ago

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

11 months ago

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Satellite Scenario around other planets
Hi @Keaton, Yeah, actually you can visualize orbits around other planets now! It's a newer feature so that's probably why you...

11 months ago | 1

Answered
Retrieve BER values from Optisystem
Hi @Salem, I’ve made the necessary updates to the MATLAB script based on your feedback and some further research. The error y...

11 months ago | 0

Solved

SatCom #10: Rate of Precesion of Orbit Plane (Nodal Precession)
Satellite and Space Engineering - Problem #10 This is part of a series of problems looking at topics in satellite and space com...

11 months ago

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SatCom #9: Overall Link Performance
Satellite and Space Engineering - Problem #9 This is part of a series of problems looking at topics in satellite and space comm...

11 months ago

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Error in pre-built Simulink example
Hi @Mohammed, I saw your post about the double lane change reference application error in MATLAB 2025b. This looks like it co...

11 months ago | 0

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SatCom #8: Satellite Link Budget
Satellite and Space Engineering - Problem #8 This is part of a series of problems looking at topics in satellite and space comm...

11 months ago

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SatCom #7: Thermal Noise in a Receiver
Satellite and Space Engineering - Problem #7 This is part of a series of problems looking at topics in satellite and space comm...

11 months ago

Solved

SatCom #5: Determine Elliptical Orbit Parameters
*Satellite and Space Engineering - Problem #5* _This is part of a series of problems looking at topics in satellite and space...

11 months ago

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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...

11 months ago

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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 ...

11 months ago

Answered
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...

11 months ago | 0

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Answered
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...

11 months ago | 1

Solved

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

11 months ago

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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...

11 months ago

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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 ...

11 months ago

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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...

11 months ago