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Function SOLVEVX
The function SOLVEVX solves an equation for the default CAS variable
contained in the reserved variable name VX. By default, this variable is set to
‘X’. Examples, using the ALG mode with VX = ‘X’, are shown below:
In the first case SOLVEVX could not find a solution. In the second case,
SOLVEVX found a single solution, X = 2.
The following screens show the RPN stack for solving the two examples shown
above (before and after application of SOLVEVX):
Function ZEROS
The function ZEROS finds the solutions of a polynomial equation, without
showing their multiplicity. The function requires having as input the
expression for the equation and the name of the variable to solve for.
Examples in ALG mode are shown next:
- Preface 3
- Table of Contents 4
- Page TOC-2 5
- Page TOC-3 6
- Page TOC-4 7
- Chapter 8 – Vectors 8
- Chapter 10 – Graphics 9
- Page TOC-7 10
- Warranty – W-1 11
- Chapter 1 12
- Getting started 12
- Page 1-2 13
- The TOOL menu 14
- Setting time and date 15
- Page 1-5 16
- Selecting calculator modes 17
- Page 1-7 18
- Page 1-8 19
- Page 1-9 20
- Page 1-10 21
- Page 1-11 22
- Page 1-12 23
- Page 1-13 24
- Angle Measure 25
- Coordinate System 26
- Selecting CAS settings 27
- Selecting Display modes 28
- Selecting the display font 29
- Page 1-19 30
- Page 1-20 31
- Page 1-22 33
- Chapter 2 34
- Introducing the calculator 34
- Page 2-2 35
- Page 2-3 36
- Page 2-5 38
- Page 2-6 39
- The HOME directory 42
- Subdirectories 42
- Variables 43
- Creating variables 44
- Page 2-12 45
- RPN mode 46
- Checking variables contents 47
- Page 2-15 48
- Deleting variables 49
- UNDO and CMD functions 50
- CHOOSE boxes vs. Soft MENU 50
- Page 2-18 51
- Page 2-19 52
- Chapter 3 54
- Page 3-2 55
- Page 3-3 56
- Page 3-4 57
- Page 3-5 58
- Page 3-6 59
- Page 3-7 60
- Operations with units 61
- Page 3-9 62
- Available units 63
- Attaching units to numbers 64
- Page 3-13 66
- Unit conversions 67
- Page 3-15 68
- Defining and using functions 69
- Page 3-17 70
- Chapter 4 72
- Entering complex numbers 73
- Page 4-3 74
- The CMPLX menus 75
- CMPLX menu in the keyboard 76
- Page 4-6 77
- Chapter 5 79
- Page 5-2 80
- Page 5-3 81
- Functions in the ALG menu 82
- Page 5-5 83
- Page 5-6 84
- Page 5-7 85
- Polynomials 86
- Page 5-9 87
- Fractions 88
- The PROPFRAC function 89
- The PARTFRAC function 89
- The FCOEF function 89
- The FROOTS function 90
- Chapter 6 92
- Solution to equations 92
- Function SOLVE 93
- Page 6-3 94
- Function SOLVEVX 95
- Function ZEROS 95
- Numerical solver menu 96
- Polynomial Equations 97
- Page 6-7 98
- Page 6-8 99
- (X-1)*(X-3)*(X+2)*(X-1) 100
- 1. Solve equation.. solve 100
- Page 6-10 101
- Page 6-11 102
- Reference 103
- Chapter 7 104
- Operations with lists 104
- Page 7-2 105
- Functions applied to lists 106
- Lists of complex numbers 107
- Lists of algebraic objects 107
- The MTH/LIST menu 107
- Page 7-5 108
- The SEQ function 109
- The MAP function 109
- Chapter 8 110
- Page 8-2 111
- Page 8-4 113
- @→STK@@ 113
- Changing sign 114
- Absolute value function 115
- The MTH/VECTOR menu 116
- Chapter 9 118
- Textbook 119
- Operations with matrices 120
- Multiplication 121
- .,,2,1;,,2,1 122
- Page 9-6 123
- Solution of linear systems 124
- Page 9-8 125
- References 127
- Function 128
- Page 10-2 129
- Page 10-3 130
- Page 10-4 131
- FUNCTION, press the 131
- Fast 3D plots 132
- Page 10-6 133
- Step Indep: 20 Depnd: 16 134
- Chapter 11 136
- Calculus Applications 136
- )(lim xf 137
- CxFdxxf += 138
- Definite integrals 139
- Infinite series 140
- Chapter 12 143
- Multiple integrals 144
- [] [] [] [] 145
- Divergence 146
- Chapter 14 147
- Differential Equations 147
- Function LDEC 148
- .)3/exp()3/exp(5)( 149
- Cdxxxxy +⋅⋅−⋅= 149
- 1st order linear 150
- Exact expressions, ‘y(0) 150
- Laplace Transforms 151
- Fourier series 152
- Page 14-7 153
- Chapter 15 155
- Probability Distributions 155
- Random numbers 156
- The MTH/PROB menu - part 2 157
- Chapter 16 159
- Statistical Applications 159
- Type: Population 160
- SINGLE-VARIABLE STATISTICS 160
- Page 16-4 162
- 2. Frequencies.. by using 162
- 3. Fit data 162
- Page 16-5 163
- Confidence intervals 165
- Page 16-8 166
- Hypothesis testing 167
- Page 16-10 168
- Chapter 17 170
- Numbers in Different Bases 170
- Warranty 172
- Service 173
- Page W-3 174
- Regulatory information 175
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