JSTOR Daily

On Mapping Linear Partial Differential Equations to Constant Coefficient Equations

SIAM Journal on Applied Mathematics, Vol. 43, No. 6 (Dec., 1983), pp. 1259-1273 (15 pages) A constructive algorithm is developed to determine whether or not a given linear p.d.e. can be mapped into a ...
Frontiers

Basic Control Theory for Linear Fractional Differential Equations With Constant Coefficients

1 Departamento de Estadística, Análisis Matemático y Optimización, Universidade de Santiago de Compostela, Santiago de Compostela, Spain 2 Instituto de Matemáticas, Universidade de Santiago de ...
IEEE

Variable Virtual Spring Constant and Damping Coefficient Control for Electro-Magnetic Suspension With Linear Motor

Abstract: This paper proposes a linear-actuator-based active-vibration-control method with displacement feedback for an electro-magnetic suspension with a linear motor to reduce sinusoidal disturbance ...
JSTOR Daily

Linear Regression with Non-Constant, Unknown Error Variances: Sampling Experiments with Least Squares, Weighted Least Squares and Maximum Likelihood Estimators

John A. Jacquez, Frances J. Mather and Charles R. Crawford The theory of simple linear regression is extended to the case of non-uniform error variances for the ...