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BEX Calculus Course. Lesson 4. 1. x. dx. 1. dx. r. r. p. dp. dx. x. Lesson 5: Building Squares. 1. 3. 5. 7. =. 1. + 3. + 5. + 7. + 9. 5x5. =. 5. + 7. + 9. 5x5. -. 2x2. The integral (accumulating a set of changes). - PowerPoint PPT Presentation
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BEX Calculus Course
Lesson 4
Pattern Visualization Step-by-Step Change Calculus Lingo
Line
f(x) = x
f(x) = 4x
Pattern X-Ray Timelapse Step-by-step change Single Step Zoom
Line
f(x) = x
f(x) = 4xx dx
1
X-Ray Strategy Visualization Step-by-Step Layout Single Step Zoom
Ring-by-ring
Slice-by-slice
Board-by-board
r
p
x
dp
dx
dx
1
r
Derivative Symbol Mindset
Think about the resulting step-by-step pattern
Think about the actual ratio of changes
Lesson 5: Building Squares
1 3 5 7
1 + 3 + 5 + 7 + 9 5x5
=
5 + 7 + 9 5x5
=
2x2-
The integral (accumulating a set of changes) Can be found with the anti-derivative[a function where F’(x) = f(x)]
Applying a sequence of changes (f(x))from a to b
Getting a function that changes the same way (F(x))and taking the difference
Is the same as
x
Area = ½ * 40 * x = 20x
20
x
Area = 20x
40
Size: 10x10
Perimeter: 40
Area: 100
x
1x
1d Perimeter Change 2d Area Change
Pixelation
a
…