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DrG DVC Math
United States
Registrace 8. 09. 2017
Dr. G. teaches math at Diablo Valley College in Pleasant Hill, CA. She makes videos to help her students and anyone else who wants to learn some math.
Approximating Area with Riemann Sums
In this video, Dr. G. shows her calculus students how to approximate the area under a curve by adding up the areas of n equal-width rectangles.
zhlédnutí: 91
Video
Related Rates: Pulling a Boat Into a Dock
zhlédnutí 514Před 3 lety
We compute the rate at which a boat approaches the dock at a particular instant, given the rate at which the rope is being pulled in.
Linear Transformations: Preimage, Range, and Kernel
zhlédnutí 235Před 3 lety
We look at an example of a linear transformation on the vector space of infinite sequences of real numbers.
Finding an Eigenbasis for a Non-Euclidean Vector Space
zhlédnutí 113Před 3 lety
We use the standard matrix of a linear transformation and coordinate vectors to find an eigenbasis for P_2, the vector space of all polynomials of degree at most 2.
Using a Graph to Determine a One-Sided or Two-Sided Limit
zhlédnutí 46Před 3 lety
Using a Graph to Determine a One-Sided or Two-Sided Limit
Substitution Rule
zhlédnutí 33Před 3 lety
We do a few indefinite and definite integrals using the substitution rule.
Eigenvalues of an Idempotent Matrix
zhlédnutí 613Před 3 lety
We show that 0 and 1 are the only possible eigenvalues of an idempotent matrix.
The Fundamental Theorem of Calculus - Part 2
zhlédnutí 18Před 3 lety
We see how Part 2 of the Fundamental Theorem of Calculus is used to compute definite integrals.
Matrices for Linear Transformations Between General Vector Spaces
zhlédnutí 286Před 3 lety
We show how to find the matrix relative to two bases for a linear transformation from a general vector space V to another general vector space W.
Vector Space Examples and Counterexamples
zhlédnutí 785Před 3 lety
Two exercises from an in-class worksheet
The Motion of a Particle
zhlédnutí 36Před 3 lety
We use the position of a particle at time t to analyze its velocity and acceleration functions, draw a diagram of the particle's motion, and determine the time intervals on which the particle is slowing down or speeding up.
Least Squares Approximation Example: Using Natural Logs
zhlédnutí 195Před 3 lety
We use the least squares method to first get a relationship between the natural logs of the unknowns, in order to get an approximate relationship between the variables.
Least Squares Approximation - Example 1
zhlédnutí 84Před 3 lety
We use the least squares method to find the least squares regression line for 3 non-collinear points.
L'Hospital's Rule: Indeterminate Powers
zhlédnutí 24Před 3 lety
In this video, we do three examples, demonstrating two different methods.
What the Second Derivative of a Function Tells Us About the Graph
zhlédnutí 20Před 3 lety
What the Second Derivative of a Function Tells Us About the Graph
What the First Derivative Tells Us About the Graph of a Function
zhlédnutí 39Před 3 lety
What the First Derivative Tells Us About the Graph of a Function
Indeterminate Products and Differences (and L'Hospital's Rule)
zhlédnutí 37Před 3 lety
Indeterminate Products and Differences (and L'Hospital's Rule)
Indeterminate Forms and L'Hospital's Rule
zhlédnutí 19Před 3 lety
Indeterminate Forms and L'Hospital's Rule
Using L'Hospital's Rule on an Indeterminate Difference
zhlédnutí 12Před 3 lety
Using L'Hospital's Rule on an Indeterminate Difference
Angle and Orthogonality in an Inner Product Space
zhlédnutí 1,4KPřed 3 lety
Angle and Orthogonality in an Inner Product Space
Computing the Wronskian with WolframAlpha.com
zhlédnutí 226Před 3 lety
Computing the Wronskian with WolframAlpha.com
Row Space, Column Space, and Rank of a Matrix
zhlédnutí 290Před 3 lety
Row Space, Column Space, and Rank of a Matrix
Best example of what it means to span a Polynomial on the internet
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ini yang aku cari2, alhamdulillah ketemuu
Hellow Dr G. What book did you use for this class. You are greate at explaing things. Thanks!
great video, thank you!
thx
Thank you!
this helps meh in finding some solutions to a combined problem thank you
Thank you!
Thanks😍😍
Very clear explanation, thank you prof. With you all the best!!!
trivial
I found this video very helpful in understanding polynomial curve-fitting better. I couldn't find many videos on it and this was the best one I came across.
Superb thank you so much mam..
Thanks, you're the best.
Amazing explanation in just 5 mins💫💫💫
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Excuse the hissing sounds. That's the computer's fan.
I'm clearly an amateur. My earbuds weren't charged this morning, and I think that's why I was yelling Also, you can hear my mouse on the desk. How annoying. I'll try to have those things fixed by the next class meeting. Thanks for bearing with me!
At 4:39, I say "when you get to x = π/2," but I meant to say "when you get to x = 2π." Sorry!