Lecture 8 Notes

Sin10x plotxy 5 insight through compujng insight

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Unformatted text preview: Through CompuJng AXer 100 hours… Error = (100x60x60*10)*.000000095 = .34 seconds Need accurate Jme and velocity to track. Scud travels at 1.7 km/s => Patriot missed intercept by more than 500 meters. Insight Through CompuJng Table à༎ Plot 10. Plovng ConJnuous FuncJons Linspace Array OperaJons x 0.00 1.57 3.14 4.71 6.28 sin(x) 0.0 1.0 0.0 -1.0 0.0 Plot based on 5 points Insight Through CompuJng Insight Through CompuJng 10 2/20/14 Table à༎ Plot x 0.000 0.784 1.571 2.357 3.142 3.927 4.712 5.498 6.283 sin(x) 0.000 0.707 1.000 0.707 0.000 -0.707 -1.000 -0.707 0.000 Insight Through CompuJng Plot based on 9 points Table à༎ Plot Plot based on 200 points—looks smooth Insight Through CompuJng GeneraJng Tables and Plots x 0.000 0.784 1.571 2.357 3.142 3.927 4.712 5.498 6.283 sin(x) 0.000 0.707 1.000 0.707 0.000 -0.707 -1.000 -0.707 0.000 linspace x = linspace(1,3,5) x = linspace(0,2*pi,9); y = sin(x); plot(x,y) x : 1.0 1.5 2.0 2.5 3.0 “x is a table of values” “x is an array” “x is a vector” Insight Through CompuJng Insight Through CompuJng linspace Linspace Syntax x = linspace(0,1,101) linspace( x : 0.00 0.01 0.02 … , ) 0.99 1.00 Left Endpoint Insight Through CompuJng , Right Endpoint Number of Points Insight Through CompuJng 11 2/20/14 Built- In FuncJons Accept Arrays sin 0.00 1.57 3.14 4.71 6.28 Insight Through CompuJng x 0.00 1.57 3.14 4.71 6.28 sin(x) 0.0 1.0 0.0 -1.0 0.0 And… Return Array of FuncJon- evals sin 0.00 1.00 0.00 -1.00 0.00 Insight Through CompuJng x 0.00 1.57 3.14 4.71 6.28 sin(x) 0.0 1.0 0.0 -1.0 0.0 Can We Plot This? Examples x = linspace(0,1,200); y = exp(x); plot(x,y)...
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