Mathematical Models: Mechanical Vibrations, Population Dynamics, and Traffic Flow : an Introduction to Applied Mathematics |
From inside the book
Results 1-3 of 90
Page 98
... show that the isocline itself is a solution curve . 26.2 . Consider a linear oscillator with linear friction : m d2x dt2 dx + cdt + kx = 0 . ( a ) Show that E = m / 2 ( dx / dt ) 2 + ( k / 2 ) x2 is a decreasing function of time . ( b ) ...
... show that the isocline itself is a solution curve . 26.2 . Consider a linear oscillator with linear friction : m d2x dt2 dx + cdt + kx = 0 . ( a ) Show that E = m / 2 ( dx / dt ) 2 + ( k / 2 ) x2 is a decreasing function of time . ( b ) ...
Page 161
... Show how both parts ( b ) and ( c ) illustrate the following behavior : ( i ) If No > ẞ / a , then N → ∞o . ( At what time does N ( ii ) If N。< ß / α , then N → 0 . ( iii ) What happens if No ― B / α ? → ∞ ? ) 39.2 . The general ...
... Show how both parts ( b ) and ( c ) illustrate the following behavior : ( i ) If No > ẞ / a , then N → ∞o . ( At what time does N ( ii ) If N。< ß / α , then N → 0 . ( iii ) What happens if No ― B / α ? → ∞ ? ) 39.2 . The general ...
Page 183
... show that the population oscillates around its equilibrium population with decreasing amplitude . What is the approximate " period " of this decaying oscillation ? ( d ) Show that zero population is an unstable equilibrium population . Show ...
... show that the population oscillates around its equilibrium population with decreasing amplitude . What is the approximate " period " of this decaying oscillation ? ( d ) Show that zero population is an unstable equilibrium population . Show ...
Contents
NEWTONS | 6 |
OSCILLATION OF A SPRINGMASS SYSTEM | 12 |
QUALITATIVE AND QUANTITATIVE BEHAVIOR | 18 |
Copyright | |
72 other sections not shown
Other editions - View all
Mathematical Models: Mechanical Vibrations, Population Dynamics, and Traffic ... Richard Haberman No preview available - 1998 |
Common terms and phrases
amplitude of oscillation analyze approximation Assume birth c₁ calculation characteristics Consider constant coefficient corresponding d2x dt2 damping de/dt decreases delay depend derived determine difference equation discussed dx dt dx/dt energy integral equilibrium population equilibrium solution equivalent example exercise exponential Figure formula function growth rate Hint increases initial conditions initial value problem isoclines linearized stability analysis logistic equation mass mathematical model maximum method of characteristics motion moving N₁ Newton's nonlinear pendulum number of cars obtained occur ordinary differential equations oscillation P₁ partial differential equation period phase plane Pmax population growth potential energy r₁ result sharks shock Show shown in Fig simple harmonic motion Sketch the solution sketched in Fig slope solution curves solve species spring spring-mass system stable straight line Suppose Taylor series tion traffic flow trajectories Umax unstable equilibrium position variables vector x₁ yields zero