Preface to Volume II		v
5. Multivariable Models from Verbal Descriptions: Interest, NPV, SSE		741
	5.1 Multivariable Functions and Models, 3-D Graphs	743
	5.2 Formulating Models from Verbal Descriptions	773
	5.3 Interest and Investments	809
	5.4 The Time Value of Money (Present Value and Future Value) and Loans	837
	5.5 Formulating SSE in Terms of Model Parameters	867
	Summary	885
6. Multivariate Models from Data: Regression and Statistics		893
	6.1 Multivariable Models from Data - Spreadsheets and Regression	897
	6.2 Mean, Variance, Standard Deviation, MSE, Misuse of Statistics	935
	6.3 R², Standard Error, Misuse of Regression, Regression Assumptions	969
	6.4^* Investment Portfolios, Risk-Return Tradeoffs, Pareto Efficiency	997
	Summary	1007
7. Matrices and Solving Systems of Equations		1013
	7.1 Introduction to Matrices and Basic Operations	1015
	7.2 Matrix Multiplication	1035
	7.3 Systems of Linear Equations and Augmented Matrices	1055
	7.4 Matrix Equations and Inverse Matrices	1079
	7.5^* Markov Chains	1103
	Summary	1123
8. Unconstrained Optimization of Multivariable Functions		1127
	8.1 Rates of Change of Multivariable Functions	1129
	8.2 Finding Local Extrema of Multivariable Functions	1149
	8.3 Optimization using a Spreadsheet	1173
	8.4 Testing for Local and Global Extrema	1199
	8.5 The Method of Least Squares	1233
	Summary	1263
9. Constrained Optimization and Linear Programming		1267
	9.1 Optimization with Equality Constraints: Lagrange Multipliers	1269
	9.2 Solving Linear Programs Graphically	1307
	9.3 The Simplex Method	1337
	9.4 Linear Optimization on Spreadsheets	1361
	Summary	1393

^*These sections are optional and can be omitted without loss of continuity.

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