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| | <ref>Phoenix: The Peoples of the Hills: Ancient Ararat and Caucasus by Charles Burney , David Marshall Lang, Phoenix Press; New Ed edition (December 31, 2001)</ref> | | <ref>Phoenix: The Peoples of the Hills: Ancient Ararat and Caucasus by Charles Burney , David Marshall Lang, Phoenix Press; New Ed edition (December 31, 2001)</ref> |
| | | | |
| | + | http://brems.iac.isu.edu/mrtg/cleantemp1-day.png <br/> |
| | + | <!-- http://134.50.3.81/image.png --> |
| | + | |
| | + | |
| | + | |
| | + | ===Odds=== |
| | + | Finally, <math>\{u_1, u_2, u_3\} = \{ 1, 2\sqrt{3}(t-1/2), 6\sqrt{5}(t^2-t+1/6) \}</math>. |
| | + | |
| | + | (b) Let <math>B = \{u_1,u_2,u_3\}</math> be the orthonormal basis found above. |
| | + | For any <math>f(t) = at^2+bt+c \in U</math> |
| | + | <br/> |
| | + | <math> f(t) = \sum_{i=1}^3 a_iu_i(t) |
| | + | = \left( \frac{a}{3}+\frac{b}{2}+c \right) + \left( \frac{\sqrt{3}}{3}(a+b) \right) 2\sqrt{3} \left( t-\frac{1}{2} \right) |
| | + | + \left( \frac{\sqrt{5}}{30}a \right) 6\sqrt{5} \left( t^2-t+\frac{1}{6} \right) |
| | + | </math> |
| | + | <br/> |
| | + | <math> |
| | + | = \frac{a}{3}+\frac{b}{2}+c |
| | + | - a - b + 2at + 2bt |
| | + | + at^2 - at + \frac{a}{6} |
| | + | </math> |
| | + | <br/> |
| | + | <math> |
| | + | = at^2 + t (a+2b) -\frac{1}{2}(a+b-2c) |
| | + | </math> |
| | | | |
| | | | |
| − | [[media: test.doc]]
| |
| | | | |
| | <math>\sqrt{1-e^2}</math> | | <math>\sqrt{1-e^2}</math> |
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| | [[Micro_Cluster]]<br/> | | [[Micro_Cluster]]<br/> |
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| − | =VFAT Stuff=
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| − |
| |
| − | ==ToDo list==
| |
| − | * Create PCB Layout
| |
| − | * Order misc parts from digikey
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| − | * Compare Breakout-vx vs. 24-pin flex cable vs. console boards
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| − | * Add functionality to the web interface
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| − | * Trace I2C freezing problems on gumstix
| |
| − | * Program Digital I/O on Gumstix (for buttons/LEDs)
| |
| − | * Specify NIM module for gumstix housing
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| − | * Combine Gumstix Read/Writes into one transaction
| |
| − |
| |
| − | ==Shopping List==
| |
| − | * lots of LED's
| |
| − | * LED sockets?
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| − | * 3-bit I2C address selectors
| |
| − | * I2C expanders [http://rocky.digikey.com/scripts/ProductInfo.dll?Site=US&V=296&M=PCF8574N 8574]
| |
| − | * Sockets for I2C expanders
| |
| − | * I2C EEPROM (for testing)
| |
| − | * TTL/LVDS converters
| |
| − | * LEMO bulkheads
| |
| − | * Bulkheads for CLOCK/TRIGGER LVDS (same ribbon type as 34-pin LVDS?)
| |
| − | * Hard Reset buttons
| |
| − | * Scan mode selector switch
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| − | * RJ-45 bulkheads
| |
| − | * Serial Port bulkheads
| |
| − | * TTL - RS232 converter chips
| |
| − | * Power regulators (2.5V for VFAT)
| |
| − | * caps for power regulators
| |
| − | * Gumstix boards
| |
| − | * Gumstix mounting screws
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| − | * Gumstix network adapters
| |
| − | * CF cards
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| − | * 43-pin ribbon cable connectors
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| − | * VFAT ribbon cable
| |
| − | * .1 socket crimp-on pins
| |
| − | * .1 crimp tool
| |
| − | * various .1 housings
| |
| − | * connectors for Gumstix power
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| − |
| |
| − | * Breadboard
| |
| − | * Power supply
| |
| − | * Jumper cables
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| − | * breadboard - BNC connectors
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| − | * Resistor kit
| |
| − |
| |
| − | == VFAT connector ordering info ==
| |
| − | === Board connector ===
| |
| − | Vertical Male Type Q Standard Height, 50 pin
| |
| − | * ERNI 063210 reel, 280 pieces
| |
| − | * ERNI 054029 tube w/ cover
| |
| − | * ERNI 054021 tube w/o cover
| |
| − | * '''Replaced by ERNI 154786?'''
| |
| − |
| |
| − | === Cable Connectors ===
| |
| − | IDC Female Type B with Locking Latches, 50 pin
| |
| − | * ERNI 124262 150 pieces/pack
| |
| − | * '''Replaced by ERNI 214347?'''
| |
| − |
| |
| − | === Ribbon Cable ===
| |
| − | AWG30, 0.635mm (0.025") spacing
| |
| − | * ERNI 034575
| |
| − | * Widely compatible
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| − |
| |
| − | === Force Electronics ===
| |
| − | [http://www.force-elec.com/ http://www.force-elec.com/ ] <br/>
| |
| − | 1-800-400-7041
| |
| − | * ERNI 063210 $2.70 each, but must buy a reel (280 for $784 total)
| |
| − | * ERNI 154786 $6.42 each, 280 min amount
| |
| − | ** 60 day lead time
| |
| − | * ERNI 124262 out for bid
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| − | * ERNI 214347 $9.92 each, can but individually?
| |
| − |
| |
| − | === Ad-Tech ===
| |
| − | [http://ad-techcci.com http://ad-techcci.com]
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| − | * ERNI 063210, 054029, 054021 replaced by ERNI 154786
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| − | ** 280 pieces min
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| − | ** $2.71 each
| |
| − | ** 14-15 week leadtime
| |
| − | * ERNI 124262 is replaced with ERNI 214347
| |
| − | ** 112 pieces min
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| − | ** $5.11 each
| |
| − | ** 3-4 weeks
| |
| − |
| |
| − | === Arrow ===
| |
| − | [http://www.arrownac.com/aws/pg_welcome http://www.arrownac.com/aws/pg_welcome ]
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| − | * ERNI 063210 $3.19 each, min qty??
| |
| − | ** 10 week lead time
| |
| − | * ERNI 124262 $4.12 each, min qty??
| |
| − | ** 8 week leadtime
| |
| − |
| |
| − | === Hammond Electronics ===
| |
| − | [http://www.hammondelec.com/ http://www.hammondelec.com/ ] <br/>
| |
| − | 1-800-275-2935 main (need to call)
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| − | 1-800-263-5758 Texas
| |
| − | * ERNI 063210 listed, but none in stock
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| − | * ERNI 124262 listed, but none in stock
| |
| − |
| |
| − | === Mast Distributors ===
| |
| − | [http://www.mastd.com/index.html http://www.mastd.com/index.html] <br/>
| |
| − | submitted web quote 7/18/07
| |
| − | * ERNI 063210 listed, but none in stock
| |
| − | * ERNI 124262 listed, but none in stock
| |
| − |
| |
| − | === PSC Electronics ===
| |
| − | [http://www.pscelex.com/index.html http://www.pscelex.com/index.html ] <br/>
| |
| − | submitted web quote 7/18/07
| |
| − | * ERNI 054029 in stock
| |
| − | ** 100 pieces
| |
| − | ** $2.70 each
| |
| − | * ERNI 214347
| |
| − | ** 112 min
| |
| − | ** 7-10 weeks leadtime
| |
| − | ** $6.38 each
| |
| | | | |
| − | === Sager Electronics ===
| + | [[Brian Articles]] |
| − | [http://www.sager.com/ http://www.sager.com/] <br/> | |
| − | submitted web quote 7/18/07
| |
| − | * ERNI 054029 (min qty 18)
| |
| − | * ERNI 124262 (min qty 138)
| |
<ref>Phoenix: The Peoples of the Hills: Ancient Ararat and Caucasus by Charles Burney , David Marshall Lang, Phoenix Press; New Ed edition (December 31, 2001)</ref>
http://brems.iac.isu.edu/mrtg/cleantemp1-day.png
Odds
Finally, [math]\{u_1, u_2, u_3\} = \{ 1, 2\sqrt{3}(t-1/2), 6\sqrt{5}(t^2-t+1/6) \}[/math].
(b) Let [math]B = \{u_1,u_2,u_3\}[/math] be the orthonormal basis found above.
For any [math]f(t) = at^2+bt+c \in U[/math]
[math] f(t) = \sum_{i=1}^3 a_iu_i(t)
= \left( \frac{a}{3}+\frac{b}{2}+c \right) + \left( \frac{\sqrt{3}}{3}(a+b) \right) 2\sqrt{3} \left( t-\frac{1}{2} \right)
+ \left( \frac{\sqrt{5}}{30}a \right) 6\sqrt{5} \left( t^2-t+\frac{1}{6} \right)
[/math]
[math]
= \frac{a}{3}+\frac{b}{2}+c
- a - b + 2at + 2bt
+ at^2 - at + \frac{a}{6}
[/math]
[math]
= at^2 + t (a+2b) -\frac{1}{2}(a+b-2c)
[/math]
[math]\sqrt{1-e^2}[/math]
Gumstix Crapola
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