Analysis of stress-strain state of multi-wave shell on parabolic trapezoidal plan, 752p, 2015 [1], Ivanov and Krivoshapko in Analytical methods of analyses of shells of non canonic
form Fuzzy regression analysis using trapezoidal fuzzy numbers least squares.
Two fuzzy regressions using triangular numbers are estimated from the
formed samples
A correlation analysis of normalized indicators of citation, "RUDN" in Russian). A dot diagram of university (or country) documents was used to
form a
two Seepage optimization for trapezoidal channel channel bed. A dimensionless depth of a
trapezoidal and rectangular channel is determined by minimizing
Geometric Characteristics of Surfaces with Curved Trapezoidal Plan trapezoidal plan was used to obtain the formulas for the fundamental
form coefficients and surface curvatures