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Topic: Natural log


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  Natural logarithm - Wikipedia, the free encyclopedia
The natural logarithm, formerly known as the hyperbolic logarithm, is the logarithm to the base e, where e is equal to 2.718281828459...
On hand-held calculators the natural logarithm is ln, whereas log is the base-10 logarithm.
The reason we call the ln(x) "natural" is twofold: first, expressions in which the unknown variable appears as the exponent of e occur much more often than exponents of 10 (because of the "natural" properties of the exponential function which allow it to describe growth and decay behaviors)
en.wikipedia.org /wiki/Natural_logarithm   (1090 words)

  
 Frequently Asked Questions - The International Log Builders' Association
In a handcrafted building, the log is still a natural log, the only alteration being that it has undergone removal of the outer bark and part or all of the "cambium" or inner bark layer.
Logs that have been altered from their natural profile, either by hand, machine, or a combination of both, but still “joined” in a process that involves the custom hand-fitting of these components is also still considered to be handcrafted.
A good example of this would be a “hewn” log wall profile, where the logs have been flattened on their sides, and then either scribed or chinked together involving the use of scribed interlocking notches, or perhaps incorporated into a pièce en pièce system of logwork.
www.logassociation.org /faq/index.php   (977 words)

  
 Natural Log Siding
If natural log siding is applied “green” and butted together, a chink line will result.
Natural log siding that is hand peeled provides an enhanced appearance.
Logs are sawn parallel to the bark and this product is the primary one created from each log.
www.greenleafforestry.com /greenleaflumber_009a.htm   (258 words)

  
 LogHomeLinks.com - Articles - AMERICAN LOG HOME ARTICLE
The tools and materials to build a log home have greatly improved through the years, but the mark of the log home as a true and lasting symbol of American history is that most log homes of today look like they did in the early pioneer days.
A good log home design will mean that almost no humidity will accumulate on the log surface to form a home for decay and insects, and rain water will bead or run off a properly treated and cared for log which soon dries completely in the open air.
Logs with pre-cut tongue-and-grove alignment for stability and strength, floor and roof beams, various roofing system options, logs with integral rain drip edge, insulating sealants and chinking to hold back the outside weather.
loghomelinks.com /articles/american.htm   (2276 words)

  
 Log Home Packages
Natural, scribed logs have their natural taper and are kept at their full length.
The obstacles are the obvious expense of building in an area where logs are not a natural resource and have to be shipped a long way.
Log chinking compounds that stop most cold air filtration and heat loss when they are properly applied.
www.eaglesnestloghomes.com /faq.html   (2134 words)

  
 PA 765: Logit, Probit, and Log-linear Models
The natural log of the odds ratio is the log odds, which is the "Parameter estimate" in SPSS loglinear output.
The log of the odds ratio, ln(.5333)= -.629 is the parameter estimate for the interaction of the independent and dependent.
Where the logit transformation is the natural log of the odds ratio, the function used in probit is the inverse of the standard normal cumulative distribution function.
www2.chass.ncsu.edu /garson/pa765/logit.htm   (14875 words)

  
 The Common and Natural Logarithms
Logs can have any number of bases, but two bases are more useful than the others.
arises naturally in math and the sciences, so also does the natural log arise naturally, which is why you need to be familiar with the natural log.
Because these two logs are pretty much the only logs that are used "in real life", these are the only two for which you have calculator keys.
www.purplemath.com /modules/logs3.htm   (524 words)

  
 Talk:Natural logarithm - Wikipedia, the free encyclopedia
"log" = natural log is as agreed a convention in mathematics as "sin" = sine or "cosine" = cosine.
In simple terms, the natural logarithm function, or, accordingly, powers of e, occur frequently in natural processes (which is why it's called natural logarithm), and, curiously, e to a given power in calculus is its own differential or integral, meaning that it remains constant in calculus.
Is "log" not "natural log" by default, for you?
en.wikipedia.org /wiki/Talk:Natural_logarithm   (5299 words)

  
 Accelerated Log Building History
On Saturday morning, we scribed the logs that had been rough-notched, took them off the stacked shell, and 12 people cut them in one and a half hours, and we got them back on the building— the fits were good.
Sometimes I tell log builders that Accelerated methods are the way log walls are "supposed" to be built, by which I mean that some of the puzzling things that we have to do with one-log-at-a-time shells in order to get them fit and stay fit over time can be easily explained by understanding Accelerated methods.
Natural Log Homes is offering a very few people the opportunity to try a new handcrafted log home kit: logs that have been drawknife-peeled and scribed, and are ready for you to cut the notches and grooves.
www.logbuilding.org /accelerated.html   (5465 words)

  
 Log Stain   (Site not responding. Last check: 2007-10-29)
Log Stain and Chinking from Perma-Chink, Woodguard, and Sikkens
Natural Home Interior finish is a two coat, water based, crystal clear, acrylic semi-transparent log stain for the interior of your log home.
Natural Home log stain is also well suited for use on tongue and groove paneling and ceiling liner, as well as unpainted doors and cabinets.
www.logcaresolutions.com /logstain.cfm   (492 words)

  
 index
Log Shell Packages include natural full length, at least 10 to 12 inch at the top and 16 to 18 inches at the butt.
The log shell is then tagged and numbered to be re-erected at the owners building site in a matter of mere days with a fairly small crew.
This way you save labor dollars (log reconstruction time is minimal) and still have a chance to work with a contractor of your choice that will be nearby when you need them.
www.alcanloghome.com   (396 words)

  
 Natural Log Training - Broadcast Computers & Radio Automation Software
Natural Log - This class assumes the student HAS previous radio traffic experience but is new to Natural Log 8 for Windows.
This class is appropriate for users upgrading from Natural Log DOS to Natural Log Windows or a Natural Log Windows user who wants to upgrade their skills and assure they are using Natural Log Windows version to its full potential.
Students are encouraged to bring actual Natural Log data backups from their stations for class use in solving specific issues and for exploring more complex, station-specific questions.
www.broadcast.co.uk /naturallogtraining-p-90.html?cPath=23   (457 words)

  
 Natural Log - Traffic Billing & Logs
Natural Log is an integrated solution for radio stations requiring Traffic Logs and Billing that will interface with their radio automation software.
Natural Log is sold on a 'buy-out' basis and includes interfaces for most computer automation systems at no extra charge.
Natural Log for Windows is designed to run on a standard PC using Windows 2000 or Windows XP.
www.bsiusa.com /software/natlog/nlog.php   (412 words)

  
 Log Weaver's Log Home Construction in Interior Alaska   (Site not responding. Last check: 2007-10-29)
The saddles bear almost one hundred percent of the weight of the building at first, and after the logs shrink the load is distributed to about 50% saddle to 50% lateral.
Log Weavers is a proud member of the International American Log Builders Association and the Interior Builders Association.
Log Weavers is a respected well-known name in the Alaskan Log home industry.
www.logweavers.com   (384 words)

  
 Custom Log Furniture - Brainerd Minnesota MN - Nisswa Rustic Natural Furniture
The interesting knot patterns, along with the rich color tones of the wood, combine to create a natural piece of log furniture that is as unique as the Nisswa region.
Peeling logs by hand might not be the easiest way to remove the bark from a log, but once you've seen our finished product, you'll understand why we do it.
Own a piece of nature that is as individual as the trees from which the logs cam from.
www.logtones.com /index.html   (352 words)

  
 natural authentic log siding and custom sawmilled wood products
Any structure is market value enhanced with this natural log siding, which duplicates the look of a handcrafted log building.
It is extremely fast and efficient to install and is available is a variety of widths and standard to half log thickness in both natural or squared edge.
Full log ends or tails are available and in full scribe, flat sawn or three sided ends for by pass corners as well as pac-man corner logs, for butt siding applications.
www.brandxsawmills.com /naturallogsidingandwoodproducts.htm   (313 words)

  
 Bird Watcher's Digest: Natural Log Feeder
That afternoon I spread the first of what would be many buckets of sunflower seed on that log, and ever since it has attracted the attention of thousands of birds and been a source of hundreds of hours of enjoyment for my wife and me. No bird-feeding concept could be more simple or natural.
Placing the log at a 90-degree angle to your house--instead of parallel to it--will encourage most birds to fly away from dangerous windows when startled rather than into them.
It depends on your climate and the size of the log, but a good 10 to 20 years is not unreasonable.
www.birdwatchersdigest.com /site/how_to/build_your_own/log_feeder.aspx   (575 words)

  
 Dura-Log Log Siding, Log Cabin Siding   (Site not responding. Last check: 2007-10-29)
siding can be installed inside or outside on a conventional housing frame for a natural log cabin look, without the cost of a real log wall.
Conventional construction techniques allow your wiring, plumbing, and ductwork to be run easily and at a greatly reduced cost when compared to a real log home.
These are natural characteristics of wood that simulate a genuine log appearance.
www.duralog.com /log_siding.asp   (401 words)

  
 Karl's Calculus Tutor - 6.3 Be Frugal and Add (logarithms)
But in the edifice of calculus, logarithms in general, and the natural log function in particular, are a keystone in our understanding.
If you are asked to demonstrate the derivative of the natural log on an exam, pay attention to the wording of the problem.
And it is this property of the natural log that makes it show up so often in calculus and physics.
www.karlscalculus.org /calc6_2.html   (1805 words)

  
 Cut-It-Yourself Log Home Workshop
I have been teaching people how to build their own log home from scratch for 20 years, and that method is difficult, requires a lot of tools and equipment and many skills, and is very, very slow going for first-timers.
For comparison, if this were a build-it-yourself one log at a time workshop (the kind I used to teach, and the kind that everyone else still teaches), then it would take 4-weeks for us to produce the same shell.
Natural Log Homes is your only source for a "Cut-It-Yourself" log home.
www.buildyourownloghome.com   (1698 words)

  
 Oregon Log Home Company
Log Accents can be added to any type of construction.
We also can supply log trusses, log staircases, log stair railing and log straight railing with posts, log siding, wane board, and fireplace mantels.
Our designers and log smiths are happy to share their ideas and expertise with you to insure the end result is something we can all be truly proud of.
www.oregonloghomes.com /log.htm   (206 words)

  
 Log Square Planters
Log planters give the natural look that perfectly blends with the natural environment.
Log planters are preassembled in the factory and ready for immediate use.
Natural log panels blend well into the garden outdoor landscape.
www.mastergardenproducts.com /logsquareplanter.htm   (116 words)

  
 Fireplace Installation Construction Tips Tennessee Log Homes
There are several different options for fireplaces in your log home, from zero clearance units to full masonry with brick fireboxes.
Natural log settlement may damage the masonry or will be prevented by the masonry if it touches the log wall.
If an exterior chimney is to go up along a log wall, it is a good idea to first apply a slotted plywood or OSB template over the log walls before the masonry is installed.
www.tnloghomes.com /toolbox/CG-97.shtml   (546 words)

  
 Home Entertainment Furniture from Frontier Log Furniture
Log furniture and rustic decor from Frontier Log Furniture for your Western, Lodge and Rustic decorating needs.
Since 1973, Frontier Log Furniture of Montana has been satisfying their customers, while maintaining their market dominance by never compromising standards of design, quality of materials, or craftsmanship.
With a great variety of rustic log furniture products available, Frontier's time tested construction techniques, skip-peeled natural log character and reliable delivery schedule, have made Frontier the log furniture industry leader.
www.frontierlogfurniture.com /entertainment.aspx   (245 words)

  
 Karl's Calculus Tutor - Box 6.0: Exponential and Log Identities
This is the single most important identity concerning logs and exponents.
In addition, the base of a log must also be positive.
Natural log is positive or negative depending upon whether
www.karlscalculus.org /explogid.html   (288 words)

  
 Rustic Natural Cedar Furniture - Rustic Outdoor Furniture
Rustic Natural Cedar Whether they are used for family picnics, casual gatherings with friends, or for tough commercial areas, these Cedar outdoor furniture selections will provide many years of pleasure.
Cedar is naturally resistant to weather and insect damage.
Rustic Natural Cedar side and coffee tables are perfect for an afternoon snack or to rest your legs on.
www.lodgecraft.com /rusticnaturalcedar.aspx   (541 words)

  
 The Derivative of the Natural Logarithm
Our next task is to determine what is the derivative of the natural logarithm.
The last thing that we want to do is to use the product rule and chain rule multiple times.
Instead, we first simplify with properties of the natural logarithm.
www.ltcconline.net /greenl/courses/116/ExpLog/logDerivative.htm   (139 words)

  
 The Natural Log: Recognizing Handwritten Mathematics   (Site not responding. Last check: 2007-10-29)
The last few years has seen the advent of a number of commercially successful products which are able to recognize a user's natural handwriting and use this ability to perform simple tasks such as scheduling appointments and writing memos.
Most scientists and engineers, however, are unable to take advantage of these computers for their technical work due to the lack of effective algorithms for interpreting more complex handwritten expressions, particularly diagrams, graphs, equations, and other mathematical forms.
Mathematical expressions are a natural place to begin such research as they are critical to virtually all technical writing and there already exists a wide body of literature on recognizing handwritten letters and words, major subcomponents of these expressions.
www.ai.mit.edu /projects/natural-log   (250 words)

  
 Bent Log Designs -- Quality Hand Built Log Furniture
Pricing may vary on naturally bent and exotic beds depending on the quantity and uniqueness of wood used in each piece.
Guarantee: Cracks and checks are inherent in the natural materials we use and shall not be considered defects.
However, Bent Log Design will repair or replace any piece that is structurally unsound from cracking and checking free of charge.
www.bentlog.com /info.html   (339 words)

  
 Power Log® Laminated Log | Laminated Logs by Anthony Log Homes | We've Got the Strongest, Driest Log on the Market
Builders and homeowners have had to live with the fact that natural logs shrink, settle, split, check and warp.
That is, unless you take the log apart, dry it, then put it back together and have it stay® -- a log that looks like a natural log on the outside but is extraordinarily strong and stable.
Power Log® is manufactured in accordance with AITC 117-Manufacturing, and ANSI/AITC A190.1-1992, C/73, Structural Glued Laminated Timber.
www.anthonyloghomes.com /powerlog.shtml   (381 words)

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