The math behind epidemics

نویسندگان

چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Google’s PageRank: The Math Behind the Search Engine

Approximately 94 million American adults use the internet on a typical day [24]. The number one internet activity is reading and writing email. Search engine use is next in line and continues to increase in popularity. In fact, survey findings indicate that nearly 60 million American adults use search engines on a given day. Even though there are many internet search engines, Google, Yahoo!, an...

متن کامل

Link Analysis in Graphs: PageRank The Math Behind PageRank Matrices

A matrix A = [a ij ] is called positive iff for all i and j, a ij > 0. Nonnegative matrices. A matrix A = [a ij ] is called non-negative iff for all i and j, a ij ≥ 0. Eigenvalues and eigenvectors. Let A be a matrix, ¯ x be a vector and λ be a scalar (number). If Ax = λx, then λ is called an eigenvalue and x is called an eigenvector of A. The set σ(A) of eigenvalues of A is called a spectrum of...

متن کامل

No Child Behind nor Singled out? - Adaptive Instruction Combined with Inclusive Pedagogy in Early Math Software

We describe a unique play-&-learn game for early math, designed to provide adaptive instruction with respect to support and challenge as well as to cater for an inclusive pedagogy where no child, whether far behind or far ahead, is exposed as being “different”.

متن کامل

P169: The Effect of Math Instructional Interventions on Math Anxiety and Attitude towards Mathematics

In recent years, mathematics is an essential aspect of all areas of daily life and the best predictor of being successful in economic situations of society. For many students, the mathematics accompanied with frustration, anxiety and negative attitudes towards mathematics. These students believe their anxiety have been derived from their math teachers, math misconception and weakness in math as...

متن کامل

The effect of math education on increasing math skills in children with autism using ABA method

Objectives: Mathematics is one of the most important areas of the educational structure for students with severe and multiple disabilities, including autism. Acquiring math skills for children with autism is much more difficult than reading and writing. These children have more difficulty processing mathematical information than reading and writing. Limitations in the field of identifying effec...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Physics Today

سال: 2020

ISSN: 0031-9228,1945-0699

DOI: 10.1063/pt.3.4614