2014-09-11 08:32:20 -0600 | edited question | How can I include typeset mathematics in my posts? Many questions I see have beautifully typeset mathematics. For example, instead of seeing something like
integrate ... |
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2014-07-16 20:58:32 -0600 | edited answer | Lagrange multipliers and their system of equations Given the system of equations:
$$ 2 - 2 \lambda x = 0 $$
$$ 4 - 2 \lambda x = 0 $$
$$ x^2 + y^2 = 20 $$
We can simply ... |
2014-07-16 20:57:56 -0600 | edited question | Lagrange multipliers and their system of equations On number 9 from the review sheet the question asks to find the extremes of $f(x, y) = 2x + 4y$ subject to $x^2+y^2=20$.
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2014-07-16 20:57:16 -0600 | edited question | More matching of Groovy Plots and Functions So I'm having a hard time determining the difference between plots $I$ and $II$. I know that they are both either $f(x,y ... |
2014-07-16 20:56:18 -0600 | answered a question | Gradient of f(x,y) The gradient of a function of $n$ variables is an $n$-dimensional vector.
... |
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2014-07-10 12:57:28 -0600 | edited question | Tangent Planes, level curves, level surfaces I understand how to plug things into the tangent plane lines, and to get the equations, however in class he said that th ... |
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2014-07-10 06:16:07 -0600 | edited question | I'm lost on using the gradient for tangent planes. Can someone list a step by step procedure for utilizing the gradient of some $f(x)$ to find the tangent plane to a surfa ... |
2014-07-09 11:16:37 -0600 | edited answer | How do we draw the "left and right" contours of a hyperbolic function? Hey so an easy way to show the graphs is by first putting the equation into wolfram and then copying the link and pastin ... |
2014-07-09 11:14:56 -0600 | edited answer | How do I match the groovy equations with the groovy pictures? I got
b d
e f
c a ( Following the same order as yours, I can't figure out how to space them like you, and only h ... |
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2014-07-08 05:49:53 -0600 | answered a question | Showing perpendicularity at every point? This is a hard one, so here's my answer. Suppose that $\textbf{r}(t)$ is a vector valued function of constant magnitude ... |
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2014-07-02 20:34:43 -0600 | edited question | How do I accurately visualize and describe level curves? For the 14.1 homework tonight, many of the problems ask you to describe the level curves of the function. I understand h ... |
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2014-07-02 11:44:36 -0600 | edited question | How to find the equation of a plane containing two lines? On the Exam 1 Review sheet, question #13b asks to find an equation of the plane that contains the two lines p ... |
2014-07-01 21:28:23 -0600 | edited answer | From Fundamental circular motion how do we get the tangent line when given t? This is what I did for that problem, I'm not sure about it though:
So, we need to fill out the equation $ \vec{p}(t)= \ ... |
2014-07-01 21:23:42 -0600 | edited answer | Finding a value so that it is perpendicular to a vector Christina: Normally I would leave this as a comment, but perhaps this means that there are no vectors that satisfy our r ... |
2014-07-01 06:09:27 -0600 | edited question | Finding the cosine of the angle between two curves? So, I've been trying to work on the homework 13.2, and I'm stuck on both questions 6 and 7. But we'll start with questio ... |
2014-07-01 05:48:03 -0600 | edited question | How do I find the intersection of a sphere and an arbitrary plane? It is very easy to find the intersection of a sphere and a plane like the $xy$ plane, but harder to find the intersectio ... |
2014-07-01 05:31:12 -0600 | edited answer | The bug on the wheel goes round and round I am in agreement with Tiffany up to a point. I am picturing the wheel spinning at 12 radians per second around the xz p ... |
2014-07-01 05:29:41 -0600 | edited answer | The bug on the wheel goes round and round Updated Answer
I have changed the equation slightly to reflect cbass's answer. The coefficient inside the sinusoidal fu ... |
2014-07-01 05:22:00 -0600 | edited answer | The bug on the wheel goes round and round The problem says the the wheel is rotating at $12 \frac{rad}{s}$, with the center at the origin. Since the problem says ... |
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2014-06-30 20:39:29 -0600 | answered a question | How do I find the intersection of a sphere and an arbitrary plane? Very good question! And something like this is likely to be on the exam - so I hope ya'll figure it out!!
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2014-06-30 20:38:05 -0600 | answered a question | From Fundamental circular motion how do we get the tangent line when given t? I'm not sure that I understand the relationship between your two $\vec{p}$'s. Can you clarify?
... |
2014-06-30 20:35:16 -0600 | edited question | From Fundamental circular motion how do we get the tangent line when given t? So I know fundamental circular motion is $\vec{p} = \langle{\cos(t)},{\sin(t)}\rangle$ and we are given the equation: $\ ... |
2014-06-30 20:33:21 -0600 | answered a question | Finding the cosine of the angle between two curves? So, I cant add comments - but this looks great!!
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2014-06-22 21:25:03 -0600 | edited answer | What makes a good question? Homework questions are definitely allowed on this site!! In fact, the major purpose of the site is to provide a place t ... |
2014-06-22 18:58:01 -0600 | answered a question | How can I include typeset mathematics in my posts? Typeset input is entered into AskBot using LaTeX snippets which is then rendering using a JavaScript program called Math ... |