Umar

Last seen: Today | Active since 2024

Followers: 22 Following: 4

Community volunteer, like to help people by making difference in their lives

Programming Languages:
Python, C++, C, Java, C#, Javascript, R, MATLAB, SQL, HTML, CSS, Arduino, Shell, Assembly, VHDL, Visual Basic
Spoken Languages:
English
Pronouns:
He/him

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Answered
Squirrel cage induction motor characteristics using SIMSCAPE
Hi @Maya, I thoroughly reviewed your block diagram. You have two issues: *Issue #1:* Your R2024b model won't run in R2025b...

2 hours ago | 0

Solved

How long is the longest prime diagonal?
Stanislaw Ulam once observed that if the counting numbers are arranged in a spiral, the prime numbers contained in it form a sur...

10 hours ago

Solved

Find the biggest empty box
You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...

10 hours ago

Solved

Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

10 hours ago

Solved

It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more here) asserted that readers are relatively insensitive to letter order in words, so long a...

11 hours ago

Solved

Mechanics 1
I thought I would make a mechanics problem for all those physics lovers out there. Imagine two solid, rigid spheres B1 and B...

16 hours ago

Solved

How Far Can You Throw Something?
As you probably learned in your high school physics class, throwing an object at a 45 degree angle will give you the maximum ran...

17 hours ago

Solved

Calculate the height of an object dropped from the sky
Assume that an object is dropped from 1000 meters above the surface of the earth at time t=0. The object is dropped such that t...

17 hours ago

Answered
Why am I getting a near 0 current in the flyback converter?
Hi @Carlos, I was having technical difficulties while replying to your post. Please see attached.

1 day ago | 0

Solved

jogging?
Imagine x-y coordinate system and you are at the origin and your partner is on the x-axis at some small distance (d) away from y...

1 day ago

Solved

Determine if a four bar mechanism is of Grashof type
A four bar mechanism is composed of four links. if s is the smallest link, l the longest and p,q are the length of the other lin...

1 day ago

Solved

Find the jerk
No, it's not the author of this problem... Jerk is the rate of change in acceleration over time of an object. So, if given t...

1 day ago

Answered
Why am I getting a near 0 current in the flyback converter?
Hi @Carlos, I went through your entire thread carefully, including all your updates and the changes you made along the way. I...

2 days ago | 1

Solved

Given two arrays, find the maximum overlap
Given two (integer) arrays s1 and s2, create a new array s3 which is as short as possible and contains both arrays. #1 s1 = [...

3 days ago

Solved

Remove all the words that end with "ain"
Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

4 days ago

Solved

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 =...

4 days ago

Solved

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

4 days ago

Solved

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...

4 days ago

Solved

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...

4 days ago

Solved

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^...

4 days 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 ...

4 days 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...

4 days 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...

4 days 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...

5 days 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...

5 days ago

Solved

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...

5 days ago

Solved

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...

6 days ago

Solved

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 ...

6 days ago

Solved

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...

6 days ago

Answered
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...

6 days ago | 1