# Recent changes

Track the most recent changes to the wiki on this page.

#### 25 February 2018

- (diff | hist) . . Course:CPSC522/Financial Forecasting using LSTM Networks; 18:06 . . (+434) . . GUDBRANDANDREASDUFFTANDBERG (Talk | contribs)
- (diff | hist) . . Course:PHYS341/2018/project/ukulele; 17:37 . .
**(+509)** . . PeterBow (Talk | contribs) - (Upload log); 17:26 . . GUDBRANDANDREASDUFFTANDBERG (Talk | contribs) uploaded "File:MLPipeline.png" (User created page with UploadWizard)
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (c); 17:00 . . (0) . . RobertFraser (Talk | contribs)
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (c)/Solution 1; 16:59 . . (+129) . . RobertFraser (Talk | contribs)
- (Upload log); 16:57 . . RobertFraser (Talk | contribs) uploaded "File:2017 Apr Math 110 6c.png" (User created page with UploadWizard)
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (c)/Solution 1; 16:54 . . (+112) . . RobertFraser (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (c)/Solution 1; 16:51 . .
**(+753)** . . RobertFraser (Talk | contribs) (Created page with "We will make a table outlining the information from part (a): <math> \begin{array}{c|c|c|c|c|c|c|c|c} x & x < -5 & -5 < x < -3 & -3 < x < -2 & -2 < x < 0 & 0 < x < 2 & 2 < x...") - (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (b)/Solution 1; 16:18 . . (+12) . . RobertFraser (Talk | contribs)
- (diff | hist) . . Course:FNEL 380/Using Audio in Language Documentation; 16:13 . . (+31) . . AlexisGervacio (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (c)/Hint 1; 16:12 . . (+329) . . RobertFraser (Talk | contribs) (Created page with "Try to combine all of the information about f into a single table that itemizes the sign of <math>f'(x)</math> and <math>f''(x)</math>. Then, for each table entry, draw the ap...")
- (diff | hist) . . N Course:FNEL 380/Using Audio in Language Documentation; 16:09 . .
**(+1,023)** . . AlexisGervacio (Talk | contribs) (Created page with "Alexis ==Overview== ''Lead section or overview should go here.'' This section should contain: * a general description of the theme of your page. * any definitions that are...") - (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (b); 16:09 . . (0) . . RobertFraser (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (b)/Solution 1; 16:08 . . (+437) . . RobertFraser (Talk | contribs) (Created page with "The inflection points of f occur at the x-values where <math> f(x) </math> is differentiable, but where <math> f''(x) </math> changes sign. To this end, we notice that <math>...")
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (b)/Hint 1; 15:54 . . (+285) . . RobertFraser (Talk | contribs) (Created page with "The function f has an inflection point at x if f is differentiable at x and if the sign of <math>f''(x)</math> changes at x. Take a look at the places where the sign of <math>...")
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (a)/Hint 1; 15:47 . . (+86) . . RobertFraser (Talk | contribs)
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (a); 15:45 . . (0) . . RobertFraser (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (a)/Solution 1; 15:43 . .
**(+1,130)** . . RobertFraser (Talk | contribs) (Created page with "We look for the critical points of f- that is, the places where <math>f'(x) = 0</math> or where <math>f(x)</math> exists but <math>f'(x)</math> does not exist. Evidently <mat...") - (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (g); 15:35 . . (0) . . ZIMINGYIN (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 06 (a)/Hint 1; 15:34 . . (+213) . . RobertFraser (Talk | contribs) (Created page with "A critical point of f is a point where either <math> f'(x) = 0 </math> or where <math> f(x) </math> exists but <math> f'(x) </math> does not exist. Local maxima or minima of...")
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (g)/Solution 1; 15:34 . .
**(+909)** . . ZIMINGYIN (Talk | contribs) (Created page with "<math>y = (\ln(1 - x^2))^{\frac 13}</math> Let <math>u = \ln(1 - x^2)</math> and <math>y = f(u) = u^{\frac 13}</math> Using chain rule, <math>\frac{dy}{dx} = \frac{dy}{du}...") - (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 09; 15:28 . . (0) . . RobertFraser (Talk | contribs)
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 09/Solution 1; 15:28 . . (+13) . . RobertFraser (Talk | contribs)
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 09/Solution 1; 15:26 . .
**(+649)** . . RobertFraser (Talk | contribs) - (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 09/Solution 1; 15:19 . .
**(+1,289)** . . RobertFraser (Talk | contribs) (Created page with "We continue from the hint. Let y be the height of the rectangle in the picture. We would like to solve for y in terms of x. The small triangle on the bottom right is similar...") - (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (g)/Hint 1; 15:14 . . (+176) . . ZIMINGYIN (Talk | contribs) (Created page with "Using another properties of chain rule for derivative, suppose <math>y=f(u)</math> and<math>u=g(x)</math>, then :<math>\frac{dy}{dx} = \frac{dy}{du} \cdot \frac{du}{dx}.</math>")
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (f); 15:11 . . (0) . . ZIMINGYIN (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (f)/Solution 1; 15:10 . . (+154) . . ZIMINGYIN (Talk | contribs) (Created page with "Followed the hint, <math>F'(x) = f'(f(x))f'(x)</math>, <math>F'(2) = f'(f(2))f'(2) = f'(3)4 = 1/2*4 = 2</math> '''answer:''' <math>\color{blue}2</math>''")
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (f)/Hint 1; 15:08 . . (+266) . . ZIMINGYIN (Talk | contribs) (Created page with "Using the chain rule for derivative: Suppose that we have two functions <math>f(x)</math> and <math>g(x)</math> and they are both differentiable, If we define <math>F(x) = (f...")
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 09/Hint 2; 15:06 . . (+143) . . RobertFraser (Talk | contribs) (Created page with "The width of the rectangle in the picture is x. What is the height as a function of x? Try using similar triangles in order to figure this out.")
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 09/Hint 1; 15:03 . . (-10) . . RobertFraser (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 09/Hint 1; 15:02 . . (+343) . . RobertFraser (Talk | contribs) (Created page with "What general type of problem is this? You're trying to maximize the area of the rectangle, so this is an optimization problem. You should try to draw a picture in order to ge...")
- (Upload log); 15:00 . . RobertFraser (Talk | contribs) uploaded "File:2017 Apr Math 110 9.png" (User created page with UploadWizard)
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (e); 14:52 . . (0) . . ZIMINGYIN (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (e)/Solution 1; 14:52 . . (+428) . . ZIMINGYIN (Talk | contribs) (Created page with "<math>y =\frac{1 + x^2}{3x}</math> <math> y= \frac{1}{3}\frac{1 + x^2}{x}</math> <math> y= \frac{1}{3}(\frac{1}{x}+x)</math> <math> y'= \frac{1}{3}(\frac{1}{x})' + \frac{1...")
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (e)/Hint 1; 14:47 . . (+101) . . ZIMINGYIN (Talk | contribs) (Created page with "Simplify <math>y</math> into two parts and then calculate derivative separately for two simple parts.")
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (d)/Solution 1; 14:41 . . (+32) . . ZIMINGYIN (Talk | contribs)
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (d); 14:41 . . (0) . . ZIMINGYIN (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (d)/Solution 1; 14:41 . . (+308) . . ZIMINGYIN (Talk | contribs) (Created page with "<math>f(x) = \frac{1}{x}</math> <math>f(a)= f(2) = \frac{1}{2}</math> <math>f(x+h) = \frac{1}{x+h}</math> <math>f(a+h) = f(2+h) = \frac{1}{2+h}</math> <math>f'(2)=\lim_{h\...")
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (d)/Hint 1; 14:26 . . (+99) . . ZIMINGYIN (Talk | contribs) (Created page with "Mathematical definition of the derivative is <math>f'(a)=\lim_{h\to 0}\frac{f(a+h)-f(a)}{h}.</math>")
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (c); 14:24 . . (0) . . ZIMINGYIN (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (c)/Solution 1; 14:23 . .
**(+506)** . . ZIMINGYIN (Talk | contribs) (Created page with "If <math>f(t)</math> represents the position of an object at time <math>t</math>, then the first derivative of <math>f(t)</math> is the velocity of the object. The second der...") - User talk:RobertFraser; 14:08 . . RobertFraser (Talk | contribs) posted a reply to "Styling mathematics (again)" (Thank you for the suggestions! I don't know if you are aware of this, but David's suggestions are like 5 years old, so I kind of forgot about them. -Rob)
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (c)/Hint 1; 13:11 . . (-1) . . ZIMINGYIN (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (c)/Hint 1; 13:11 . . (+158) . . ZIMINGYIN (Talk | contribs) (Created page with " If the position of an object is given by <math>f(t)</math> after <math>t</math> units of time, what is the velocity of the object? what is the acceleration?")
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (b); 12:56 . . (0) . . ZIMINGYIN (Talk | contribs)
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (b)/Solution 1; 12:55 . . (+436) . . ZIMINGYIN (Talk | contribs) (Created page with "One definition of derivative is slope of tangent line. The slope of the tangent line to <math>g(x)</math> at <math>x=a</math> is <math>g'(a)</math> . The tangent line at poi...")
- (diff | hist) . . File:28117629 10155158714876860 1370572291 n.jpg; 12:54 . . (+21) . . KellyWang (Talk | contribs) (→{{int:filedesc}})
- (diff | hist) . . N Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (b)/Hint 1; 12:50 . . (+71) . . ZIMINGYIN (Talk | contribs) (Created page with "Followed 1(a), find the connection between tangent line and derivative.")
- (diff | hist) . . Science:Math Exam Resources/Courses/MATH110/April 2017/Question 01 (a); 12:46 . . (0) . . ZIMINGYIN (Talk | contribs)