Mathematical Modeling

Mathematical Modeling News -- ScienceDaily Math modeling. Browse research on mathematical models. Read about math models explaining the shape of the ear, stock performance, musical expression, diseases and more.

  • What can a snowflake teach us about how cancer spreads in the body?
    on December 6, 2018 at 6:56 pm

    What can seashells, lightning and the coastline of Britain teach us about new drugs for cancer? The answer, according to a team of researchers, may revolve around fractals, the infinitely complex patterns found in nature. […]

  • Mathematical model offers new strategies for urban burglary prevention
    on December 4, 2018 at 3:25 pm

    As with most crime, the highest rates of burglary occur in urban communities. However, existing mathematical models typically examine burglaries in residential, suburban environments. In a new article, researchers present a nonlinear model of urban burglary dynamics that accounts for the deterring effect of police presence and emphasizes timing of criminal activity. […]

  • Making it easier to transform freeform 2D sketching into 3D Models
    on November 29, 2018 at 4:41 pm

    A new computational approach, built on data-driven techniques, is making it possible to turn simple 2D sketch into a realistic 3D shape, with little or no user input necessary. […]

  • Computers successfully trained to identify animals in photos
    on November 27, 2018 at 10:14 pm

    Researchers trained a deep neural network to classify wildlife species using 3.37 million camera-trap images of 27 species of animals obtained from five states across the United States. The model then was tested on nearly 375,000 animal images at a rate of about 2,000 images per minute on a laptop computer, achieving 97.6 percent accuracy -- likely the highest accuracy to date in using machine learning for wildlife image classification. […]

  • Single-cell asymmetries control how groups of cells form 3D shapes together
    on November 27, 2018 at 4:09 pm

    A new mathematical tool shows that altering one of two asymmetries in the properties of single cells controls how they organize into folded, biological shapes, and explains how these shapes are precisely reproduced and maintained. […]

  • Virtual models provide real knowledge in the grass family
    on November 26, 2018 at 2:32 pm

    The complex flowers of the grass family have enormous economic importance, as their pollination leads to the production of grains such as rice, wheat, and corn. Grass species are notoriously difficult to study, however. Researchers present a cost-effective method using computer-assisted design (CAD) software to create high-quality, 3D digital representations of intricate plant structures that can advance understanding of pollination, with implications for both agriculture and weed control. […]

  • Explaining the plummeting cost of solar power
    on November 20, 2018 at 12:38 pm

    The dramatic drop in the cost of solar photovoltaic (PV) modules, which has fallen by 99 percent over the last four decades, is often touted as a major success story for renewable energy technology. But one question has never been fully addressed: What exactly accounts for that stunning drop? A new analysis has pinpointed what caused the savings, including the policies and technology changes that mattered most. […]

  • Big data used to predict the future
    on November 9, 2018 at 3:14 pm

    Technology is taking giant leaps and bounds, and with it, the information with which society operates daily. Nevertheless, the volume of data needs to be organized, analyzed and crossed to predict certain patterns. This is one of the main functions of what is known as 'Big Data', the 21st century crystal ball capable of predicting the response to a specific medical treatment, the workings of a smart building and even the behavior of the Sun based on certain variables. […]

  • Computer model identifies sources of foodborne illnesses more accurately
    on November 6, 2018 at 12:32 pm

    A new computer model that uses machine learning and de-identified and aggregated search and location data from logged-in Google users was significantly more accurate in identifying potentially unsafe restaurants when compared with existing methods of consumer complaints and routine inspections, according to new research. […]

  • Model paves way for faster, more efficient translations of more languages
    on November 1, 2018 at 1:20 pm

    Researchers have developed a novel 'unsupervised' language translation model -- meaning it runs without the need for human annotations and guidance -- that could lead to faster, more efficient computer-based translations of far more languages. […]

  • Army scientists develop computational model to predict human behavior
    on October 24, 2018 at 5:12 pm

    U.S. Army researchers have developed for the first time an analytic model to show how groups of people influence individual behavior. […]

  • New definition returns meaning to information
    on October 23, 2018 at 3:05 pm

    Identifying meaningful information is a key challenge to disciplines from biology to artificial intelligence. Researchers now propose a broadly applicable, fully formal definition for this kind of semantic information. […]

  • How does brain structure influence performance on language tasks?
    on October 17, 2018 at 6:21 pm

    The architecture of each person's brain is unique, and differences may influence how quickly people can complete various cognitive tasks. But how neuroanatomy impacts performance is largely an open question. To learn more, scientists are developing a new tool -- computational models of the brain -- to simulate how the structure of the brain may impact brain activity and, ultimately, human behavior. […]

  • Automated system identifies dense tissue, a risk factor for breast cancer, in mammograms
    on October 16, 2018 at 5:19 pm

    Researchers have developed an automated model that assesses dense breast tissue in mammograms -- which is an independent risk factor for breast cancer -- as reliably as expert radiologists. This marks the first time a deep-learning model of its kind has successfully been used in a clinic on real patients, according to the researchers. With broad implementation, the researchers hope the model can help bring greater reliability to breast density assessments across the nation. […]

  • 'Fudge factors' in physics?
    on October 11, 2018 at 1:04 pm

    What if your theory to model and predict the electronic structure of atoms isn't accounting for dispersion energy? You come up with some 'fudge factors' to make it all work. But getting the right results for the wrong reasons can only take you so far. […]

  • Novel machine learning based framework could lead to breakthroughs in material design
    on October 10, 2018 at 4:39 pm

    Computers used to take up entire rooms. Today, a two-pound laptop can slide effortlessly into a backpack. But that wouldn't have been possible without the creation of new, smaller processors -- which are only possible with the innovation of new materials. […]

  • New algorithm efficiently finds antibiotic candidates
    on October 2, 2018 at 7:52 pm

    Researchers describe a new means of searching vast repositories of compounds produced by microbes. By analyzing the mass spectra of the compounds, they were able to identify known compounds within the repository and eliminate them from further analysis, focusing instead on the unknown variants that might potentially be better or more efficient antibiotics, anticancer drugs or other pharmaceuticals. […]

  • New simulation sheds light on spiraling supermassive black holes
    on October 2, 2018 at 3:40 pm

    A new model is bringing scientists a step closer to understanding the kinds of light signals produced when two supermassive black holes, which are millions to billions of times the mass of the Sun, spiral toward a collision. […]

  • Songbird data yields new theory for learning sensorimotor skills
    on October 1, 2018 at 5:03 pm

    During such trial-and-error processes of sensorimotor learning, a bird remembers not just the best possible command, but a whole suite of possibilities, suggests a new study. […]

  • Mitigating stress, PTSD risk in warfighters
    on September 27, 2018 at 1:10 pm

    Researchers have developed a technique that has the potential to provide measures that facilitate the development of procedures to mitigate stress and the onset of conditions such as post-traumatic stress disorder in warfighters. […]

  • Science learns from its mistakes too
    on September 26, 2018 at 3:09 pm

    A mathematical model shows that even seemingly inconclusive studies speed up the gain in knowledge. […]

  • How to win friends online: It's not which groups you join, but how many
    on September 26, 2018 at 3:01 pm

    The chances that people will form new friendships primarily depends on the number rather than the types of organizations, groups and cliques they join, according to an analysis of six online social networks by data scientists. […]

  • Researchers teach computers to see optical illusions
    on September 21, 2018 at 3:34 pm

    By making a neural-network computer model that can be fooled by optical illusions like humans, the researchers advanced knowledge of the human visual system and may help improve artificial vision. […]

  • Mathematics meets biology to uncover unexpected biorhythms
    on September 20, 2018 at 3:55 pm

    A novel mathematical approach has uncovered that some animal cells have robust 12-hour cycles of genetic activity, in addition to circadian or 24-hour cycles. […]

  • What your cell phone camera tells you about your brain
    on September 19, 2018 at 3:15 pm

    Your brain is structured to make the best possible decision given its limited resources, according to new research that unites cognitive science and information theory -- the branch of mathematics that underlies modern communications technology. […]

  • Electrochemistry: Greater than the sum of its parts
    on September 18, 2018 at 3:09 pm

    Scientists have developed a new model that merges basic electrochemical theory with theories used in different contexts, such as the study of photoelectrochemistry and semiconductor physics, to describe phenomena that occur in any electrode. […]

  • Tech streamlines computational science projects
    on September 16, 2018 at 7:27 pm

    A new research team has continuously updated a workflow management system they first developed in 2010 to help computational scientists develop software, visualize data, and solve problems, saving time and effort expended in support of modeling and simulation experiments. […]

  • Business genius can be taught, study says
    on September 12, 2018 at 5:35 pm

    How did Steve Jobs do it? What about Whole Foods Market and Starbucks? These kinds of 'breakout' success stories show what is possible when business leaders imagine into the future rather than re-enacting the past -- a strategy that a new study says is crucial for business success in a rapidly changing world. […]

  • 3-D virtual simulation gets to the 'heart' of irregular heartbeats
    on September 12, 2018 at 3:17 pm

    In a proof of concept study, scientists have successfully performed 3-D personalized virtual simulations of the heart to accurately identify where cardiac specialists should electrically destroy cardiac tissue to stop potentially fatal irregular and rapid heartbeats in patients with scarring in the heart. […]

  • 'Cloud computing' takes on new meaning for scientists
    on September 11, 2018 at 7:18 pm

    Clouds may be wispy puffs of water vapor drifting through the sky, but they're heavy lifting computationally for scientists wanting to factor them into climate simulations. Researchers have turned to data science to achieve better cumulus calculating results. […]