CALCULUS 2                      

by Peter J. Ponzo

TABLE OF CONTENTS

EXAMPLE PROBLEMS
ASSORTED PROBLEMS
LECTURE 1
    INTRODUCTION TO DIFFERENTIAL EQUATIONS
    POPULATION GROWTH
            Logistic Equation
            The World's Simplest DE
            velocity and position
    SEPARABLE DIFFERENTIAL EQUATIONS
            population of a species
            a certain species of clam
LECTURE 2
    MORE ON DIFFERENTIAL EQUATIONS
            a Little Partial Fractions
            A spherical mothball
            population of clams
    EXPONENTIAL DECAY
            An Egyptian scroll
            the half-life
            Newton's Law of Cooling
LECTURE 3
    MORE ON DIFFERENTIAL EQUATIONS
            Direction of Solutions
            following the direction
            the DE PORTRAIT
    LINEAR FIRST ORDER DEs
    INTEGRATING FACTOR
            the temperature of the object
            a nice trig identity!
LECTURE 4
    SEQUENCES AND SERIES
            Sequences
    PARTIAL SUMS
    SERIES
    the HARMONIC SERIES
LECTURE 5
    CONVERGENCE of SERIES
            A Test for Convergence of an Infinite Series
            series where every term is positive
            the nth term test
LECTURE 6
    ALTERNATING SERIES and ABSOLUTE CONVERGENCE
    ALTERNATING SERIES
            the terms must get smaller fast!
            the Alternating Harmonic Series
            "decrease to zero" means two things
            Estimating the Sum of a Convergent Alternating Series
    ABSOLUTE CONVERGENCE
LECTURE 7
    TAYLOR POLYNOMIALS and TAYLOR SERIES
    TAYLOR POLYNOMIALS
LECTURE 8
    INFINITE POWER SERIES
    TAYLOR SERIES
    the RATIO TEST
    RADIUS OF CONVERGENCE
            Maclaurin Series
    POWER SERIES
LECTURE 9
    MORE ON SERIES
            Estimating the Sum of an Alternating Taylor Series
            the error is less than the first neglected term
            magic of brackets
            Estimating the Sum of "Other" Taylor Series
LECTURE 10
    CURVES and PARAMETRIC EQUATIONS
            Plotting Parametric Curves
            Slope of the Tangent Line to a Parametric Curve
            think of the parameter "t" as time
            the velocity vector
LECTURE 11
    MORE ON PARAMETRIC REPRESENTATION OF CURVES
            the Tangent and Position Vectors
            the derivative of a vector
            Length of a Curve


End of Part 1

LECTURE 12
    SOME APPLICATIONS
            Polar Curves, revisited
    TRAPEZOIDAL RULE
            the CYCLOID
            xxxx
            the Straight Line
            that terrible curve
            an Astroid
LECTURE 13
    FUNCTIONS OF TWO VARIABLES
    LEVEL CURVES
            an Orthogonal Trajectory
            3 Dimensional Surfaces
            a cylinder, one variable is missing
            Revolving 2-D Curves to get 3-D Surfaces
LECTURE 14
    DERIVATIVES OF FUNCTIONS OF TWO VARIABLES
    the PARTIAL DERIVATIVE
            pressure of a gas
            A square box
            The profit per hat
    HIGHER PARTIAL DERIVATIVES
LECTURE 15
    DIRECTIONAL DERIVATIVES
    LEVEL CURVES again
            The density of ants
            In what direction
            The temperature of a plate
LECTURE 16
    the GRADIENT
    VECTORS
            unit vectors
            Direction Cosines
            the gradient vector
            Is that an accident?
            A little More About Vectors
            the DOT Product
            the angle between vectors
            If P•Q = 0 then they must be perpendicular
LECTURE 17
    more on the GRADIENT, and the CHAIN RULES
            The distribution of a certain type of plant
            let do it
    the CHAIN RULES
            this dimensional stuff
LECTURE 18
    another CHAIN RULE
            thermodynamics is cover-to-cover partial derivatives
    a COLLECTION of CHAIN RULES
            Directional Derivatives, revisited
            Implicit Differentiation, revisited
            the GRADIENT vector is normal to the level curve
LECTURE 19
    the TANGENT PLANE
LECTURE 20
    OPTIMIZATION
            Least Squares Fit

SOLUTIONS TO "ASSORTED PROBLEMS"


End of Calculus 2