Given a triangle written in the form
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[*] λ = b - b/a |x-t|, |x-t|≤a
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When is the sum λ1 + λ2 a scalene triangle?
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Worksheets to accompany
The Fourier Transform and its Applications; Prof. Osgood, Stanford University:
[url]http://www.youtube.com/watch?v=gZNm7L96pfY[/url]
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[*]Part I
1. Sine or cosine from two points: [url]http://www.geogebratube.org/material/show/id/49208[/url]
2. Unit Step, Unit Impulse: [url]http://www.geogebratube.org/material/show/id/49526 [/url]
3. Triangle function λ: [url]http://www.geogebratube.org/material/show/id/50926[/url]
[b]→4. Sum λ1+ λ2 is a scalene triangle[/b]
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