Questions Asked

JohnM:
\(\bf Problem\ 10.1\) (PDF from online course): (3.6 #11. Introduction to Linear Algebra: Strang) A is an m by n matrix of rank r. Suppose t…
 updated 7 months ago
 4 replies
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JohnM:
What's the LaTex command for simply bolding and/or italicizing a single word?
 updated 7 months ago
 13 replies
 4 Medals

JohnM:
\(\hat{A}\)
\(\bold{B}\)
 updated 8 months ago
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JohnM:
\(hat{A}\)
 updated 8 months ago
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JohnM:
\(\underline{my\ first\ underlined\ text!
}\)
…
 updated 8 months ago
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JohnM:
∖(∖underline{my first underlined text!}∖)
 updated 8 months ago
 1 reply
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JohnM:
\(hello there\)
 updated 8 months ago
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JohnM:
∖(∖bold{my∖ first∖bold∖ text!}∖)
 updated 8 months ago
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JohnM:
How do I bold text and add mathematical equations (using LaTex?) in my math and sciencerelated posts? I can use LaTex in replies but it doe…
 updated 8 months ago
 1 reply
 2 Medals

JohnM:
From Problem 16.1 in Exercises on orthogonal vectors and subspaces:
I don't understand what this problem is asking.
First, where does the id…
 updated 8 months ago
 4 replies
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JohnM:
Session 33: Examples  Bug's Trajectory
How do we formally understand the bug's trajectory (which is a spiral movement)?
 updated one year ago
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JohnM:
Session 27: Approximation Formula
Two questions about Example 1 in the PDF titled "The Tangent Approximation".
1. "Thus if Δx.01 andΔy…
 updated one year ago
 6 replies
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JohnM:
Session 20  Examples: Velocity, Speed and Arc Length
In #2 in this PDF how does 2a<sin^2(θ/2), sin(θ/2)cos(θ/2)> get reduced to
2a (sin^…
 updated one year ago
 4 replies
 1 Medal

JohnM:
Session 17: General Parametric Equations; the Cycloid
Can someone please explain how the OC vector in the Parmetric Curves PDF was found to…
 updated one year ago
 6 replies
 1 Medal

JohnM:
Exercises on transposes, permutations, spaces 5.1 etc.
Can someone please explain the homework questions, because I have not seen some of t…
 updated one year ago
 2 replies
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JohnM:
@Screech: Continuing from "Having trouble with Classes" post.
Screech: I read your attached car.py. Run works and the coding is excellent. …
 updated 9 months ago
 18 replies
 2 Medals

JohnM:
Week 7  Having trouble with classes
I don't see any questions posted on Classes even though the Gentle Python course has ended. Did others…
 updated one year ago
 15 replies
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JohnM:
MIT Week6 homework  Classes
Question: Why does the code below output 10:30?
Also, the homework asks us if paris_clock and boston_clock a…
 updated one year ago
 3 replies
 1 Medal

JohnM:
3.2 – Collision Detection of Balls
Has anyone done this exercise? I've tried searching OpenStudy through Google but nothing pops up. If som…
 updated one year ago
 3 replies
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JohnM:
I don't see a search box for Open Study. How do I quickly find posts related to questions about the homework? This free study is great but I…
 updated one year ago
 2 replies
 2 Medals

JohnM:
In Problem Set #1 1B2 what is h in s(t+h)s(t)/h?
If h=height how can it be added to time t? (As shown in the expanded equation)
 updated one year ago
 1 reply
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JohnM:
I just joined about 5 minutes ago.
How do I search for previously asked questions?
 updated one year ago
 3 replies
 1 Medal