Sentences with phrase «complex models are used»

Over land, however, much larger uncertainties are present, and complex models are used to try and adjust for changing observation times.

Not exact matches

In the PoW model — which bitcoin, Ethereum, Bitcoin Cash, and Litecoin use, to name a few — individuals, groups, or businesses compete with one another with high - powered computers to be the first to solve complex mathematical equations that are essentially part of the encryption mechanism.

They were against the domination of rationalist theories, the marginalization of critical and reflective thought and the use of increasingly complex mathematical models.

Can the use of statistical model, which is now common in baseball, be used in football which is more complex.

A similar technique was used to successfully predict the outcome of the 2012 US election, but the firm had to construct a new model for Britain's more complex 650 - constituency political system.

In Part Two, I explained in detail how using technology to scale meaningful relationships improve upon the organizing model by allowing for complex pathways and institutional knowledge that has never previously been available.

A pair of California - based companies - solar panel manufacturer Silevo and LED lighting - maker Soraa - have agreed to become the first two tenants in the complex, which is being based on the same economic - development model that the state used to build a thriving semiconductor industry in the Albany area.

While several circulatory system models are used today in an attempt to better understand blood flow, they still don't account for the complex rheological behavior of blood.

«We think that the garter snake's evolved resistance to the newt's toxin can be used as a model for understanding complex adaptations that involve more than one gene,» McGlothlin said.

Those results, Lukin and colleagues said, could shed light on complex quantum mechanical phenomena that are all but impossible to model using conventional computers.

One way to get an idea of how complex feedbacks play out in Earth's climate is to use computer models.

Already during the development process, entire computing centers are used to compute and display realistic pictures of the complex car models in real time.

While teaching physics at École Polytechnique in France, physicist Jean - Baptiste Masson used hair fibers as an example of a complex system that could be modeled simply.

«Spin models are not only used in physics, but also to model other complex systems, such as neural networks, proteins or social networks.

This field data is used by the physicists to model typical disturbance scenarios and to train the system with the aid of complex mathematical methods.

Three approaches were used to evaluate the outstanding «carbon budget» (the total amount of CO2 emissions compatible with a given global average warming) for 1.5 °C: re-assessing the evidence provided by complex Earth System Models, new experiments with an intermediate - complexity model, and evaluating the implications of current ranges of uncertainty in climate system properties using a simple model.

«The way that computer systems learn these complex models these days is that you postulate a simpler model and then use it to approximate what you would get if you were able to deal with all the crazy nuances and complexities,» Campbell says.

In QM / MM simulations, an accurate but computationally complex and thus time - consuming quantum mechanical model is used to identify important features of the electronic structure of a chemically relevant region.

The results of this study counter the rational choice models that are currently used in sexual selection theory, suggesting they may prove inadequate to explain decisions in socially complex and dynamic mating arenas.

One of Crawford - Brown's initial concerns with the use of his models was that theorists and experimentalists in the decision field rarely talked to each other, making the proper incorporation of data into complex models all the more difficult.

«TB is a complex disease and modelling it is difficult but we've successfully used our model to replicate real world situations and are confident that it can be used to predict the effects of various changes in the way we tackle the disease.»

Frey and his colleagues made use of mathematical models to analyze the complex interplay between ecological factors and population dynamics, and were able to demonstrate that populations can indeed respond in a coordinated fashion to chemical information even when the signal molecules are generated by only a subset of the cells.

Other scientists have used complex models to make estimates for the Earth alone, but these are not suitable for applying to other planets.

A team led by Charles R. Carrigan at Lawrence Livermore National Laboratory (LLNL) used field experiments to build a new, complex model that predicts isotopic ratios of noble gases that would be released from such explosions (Sci.

In his new paper, Lovejoy applies the same approach to the 15 - year period after 1998, during which globally averaged temperatures remained high by historical standards, but were somewhat below most predictions generated by the complex computer models used by scientists to estimate the effects of greenhouse - gas emissions.

Frankly, the models we are using now are too complex and impossible to understand.

The nerve cord in Drosophila has been used as a model system for over 30 years to understand how neuroblasts generate a highly complex but organized tissue.

Rather than using complex computer models to estimate the effects of greenhouse - gas emissions, Lovejoy examines historical data to assess the competing hypothesis: that warming over the past century is due to natural long - term variations in temperature.

Using global climate models and NASA satellite observations of Earth's energy budget from the last 15 years, the study finds that a warming Earth is able to restore its temperature equilibrium through complex and seemingly paradoxical changes in the atmosphere and the way radiative heat is transported.

Powerful advances are also being made in using computer networks to model neuron biology and to build complex neuronal networks, which should produce interesting emergent properties.

A new study using complex computational models finds that smart solid - state transformers (SSTs) could be used to make a stable, reliable «smart grid» — allowing the power distribution system to route renewable energy from homes and businesses into the power grid.

The method is based on Approximate Bayesian Computation (ABC), which is a machine learning method that has been developed to infer very complex models from observations, with uses in climate sciences and epidemiology among others.

Using a complex 3 - D computer model, scientists at GEOMAR Helmholtz Centre for Ocean Research Kiel were now able to understand the paths of the water toward the black smokers.

They found that, by using math models to understand the complex dynamics within cancers, they could use small changes in the environment to promote the growth of cells that are less aggressive and thereby decrease tumor growth.

Professor Alvaro Mata, from Queen Mary's School of Engineering and Materials Science, said: «The technique opens the possibility to design and create biological scenarios like complex and specific cell environments, which can be used in different fields such as tissue engineering by creating constructs that resemble tissues or in vitro models that can be used to test drugs in a more efficient manner.»

With a quantum computer, APL researchers have now shown that these calculations can be done much faster and model much more complex objects than would be possible using even on the most powerful classical supercomputers.

Mundel is a big proponent of «modeling and simulation,» according to a 2009 article in Bio-IT World, using complex mathematical models to optimize and expedite everything from biochemical drug mechanisms to decision - making and profits.

But the computer models that they and others use have become so complex that it is difficult for outsiders to test and validate the estimates.

These are able to learn the complex quantum mechanical relationships that are necessary for the modelling of infrared spectra by using only a few examples.

This approach is often used to model large and complex systems, such as those in weather forecasts.

To get permits to dispose of hazardous waster after 1988, companies had to prove — using complex models and geological studies — that the stuff they injected wouldn't migrate anywhere near water supplies for 10,000 years.

The Carnegie Mellon University researchers, who have worked with Goldman on relating the locomotion of other animals to robots, demonstrated that theoretical models developed to describe the complex motion of robots can also be used to understand locomotion in the natural world.

Unfortunately, many of these cloud properties must be estimated through parameterization, a technique used to represent complex small - scale systems, because climate model resolution is too coarse to resolve small - scale cloud features.

A second line of research is to use skeletal muscle formation in the chick embryo as a model to understand how cells within tissues display complex behaviours while being exposed to an ever - changing cellular environment.

Biocellion is being used to model a variety of biological system behaviors, such as biofilm formation and wrinkling, microbial growth dynamics in complex soil structure, brain tumor growth and invasion, formation of complex bacterial colonies, and changes in blood vessels and skin cells.

Finally, in a collaboration with Frank Jülicher's group at the Max Planck Institute for the Physics of Complex Systems, we are using these data to develop physical models that will help us understand how local cellular adhesive, elastic and contractile properties are influenced by PCP proteins and other molecules, and how they combine to produce specific packing geometries at a global level.

We are now using these models to study the gene function and complex mechanisms underlying disease pathways, with a focus on genetic background effects, genetic modifiers and interaction partners.

The lab has developed a complex, three - dimensional model that mimics human skin, and are using it to reconstruct each step in the melanoma development and progression cascade.

These high - performance computing systems, capable of a billion billion calculations per second, will be used to tackle complex problems by modeling large - scale systems.

The data must be analyzed using sophisticated model atmospheres created by the team in 3D and included complex calculations that run for weeks on powerful super computers.