Over the centuries, mathematicians have developed a variety of methods of solving equations. Using the capabilities of modern computers, they have explored in detail how these age-old recipes ...

For a linear ordinary differential equation of variable coefficients in which the highest order derivative $d^{n}y/dx^n$ is multiplied by a small parameter $\epsilon ...

Background and aims Gene expression analysis under field conditions improves our understanding of crop responses to fluctuating environmental conditions. We evaluated RNA extraction methods and ...