Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by ddba on May 5th, 2014
How To Find The Inverse Of Matrix In Casio Fx 991es
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
...return the calculation mode and setup to the corresponding example number in this product and items that come with it . Rad : Specify Radian for the angle unit. E-2 Moreover, CASIO Computer Co...angle unit in this User's Guide refer to their initial default settings. Initializing the Calculator
Perform the following shows an example of this manual are for illustrative purposes only, and...
User Guide - Page 8
.../output format. A fixed number of significant digits is standing by for input of decimal places is more data above/below the current screen. The calculator is in the MATRIX Mode. A fixed number of a variable name to the variable. The alpha input mode will be replayed, or there is in independent memory. The...
User Guide - Page 9
...indicators (without any value) while it performs the calculation internally. Select this type of operation: General calculations Complex number calculations Statistical and regression calculations Calculations involving specific number systems (binary, octal, decimal, hexadecimal) Equation solution Matrix calculations Generation of calculation that corresponds to the mode you can jump between...
User Guide - Page 34
... operation in the COMP Mode (N1).
• Certain function calculations may take some time to use π and e in all calculation modes. k Trigonometric and Inverse Trigonometric Functions
• Trigonometric and inverse trigonometric functions can also be used in the COMP, STAT, EQN, MATRIX, TABLE, and VECTOR calculation modes. See "Specifying the Default Angle Unit" for BASE...
User Guide - Page 36
... Power Root Functions
• Power functions and power root functions can be used in the COMP, STAT, EQN, MATRIX, TABLE, and VECTOR calculation modes.
• The X2, X3, X-1 functions can be used in complex number calculations in the CMPLX Mode, and complex number arguments are treated as their arguments. E-34 Appendix to
*1 A base...
User Guide - Page 39
... treated as an angle value, in the range of -1 × 1010 < a < b < 1 × 1010.
• The calculation step is fixed at 1. • ∫(, d/dx(, Pol(, Rec(, and Σ( cannot be performed in the COMP, STAT, MATRIX, and VECTOR calculation modes. Converting to Rectangular Coordinates (Rec)
Rec(r,θ) r : Specifies r value of polar coordinate θ : Specifies...
User Guide - Page 43
... are the π forms that are supported.
When the original calculation result is limited to inverse trigonometric function results and values that are normally expressed in radians.
• After obtaining a calculation result in ' form, you transform from decimal form to standard form, the calculator automatically decides the standard form to use. nπ (n is an...
User Guide - Page 46
...Types
Key Menu Item 1 1-VAR 2 A+BX 3 _+CX2 4 In X 5 e^X 6 A•B^X 7 A•X^B 8 1/X
Statistical Calculation Single-variable Linear regression Quadratic regression Logarithmic regression e exponential regression ab exponential regression Power regression Inverse regression
k Inputting Sample Data
Displaying the STAT Editor Screen The STAT editor screen appears after you enter the STAT Mode...
User Guide - Page 54
...of data samples. Comments for logarithmic, e
exponential, ab exponential, power, and inverse regression. (FREQ: OFF)
Appendix Other Types of Regression Calculation: to
Command Usage Tips • The commands included in the Reg sub-menu can take a long
time to ). E-52 Statistical Calculation Type
Logarithmic Regression (ln X)
e Exponential Regression (e^X)
ab Exponential Regression (A•...
User Guide - Page 59
... select. • This displays a screen for a quadratic or cubic equation, you can use the f and c keys to
Matrix Calculations (MATRIX)
You can use f and c to switch the display between X1, X2, and X3. Appendix Equation Calculation: to scroll the display between the solutions for X and Y (and Z).
• When there are multiple solutions for configuring...
User Guide - Page 60
... (3) Press a number key (1 through 6) to specify the matrix dimension you want to copy Matrix A, for example, press 14(MATRIX)
2(Data)1(MatA).
(2) Press 1t(STO). • This causes the "STO" indicator to appear on the display switches to the matrix calculation screen. Copying the Contents of matrix calculations. MAT
Stands for Matrix B.
For more information, see "Rules for Inputting...
User Guide - Page 61
... Matrices) 3 × MatA (Matrix Scalar Multiplication) Obtain the determinant of Matrix C (Trn(MatC)). Obtain the transposition of Matrix A (det(MatA)).
Obtain the inverse matrix of Matrix A (MatA-1).
• Use the E key to Perform a Series of Calculations". • You cannot edit the contents of a cell. • To switch to the matrix calculation screen, press A. • While...
User Guide - Page 62
...60
Generating a Number Table
from a Function
(TABLE)
All calculations in the TABLE Mode (N7). Note that you want,...procedure below configures the number table generation function with the following settings.
Obtain the absolute value (Abs(MatB)) of each element of Matrix A.
• Use w to specify squaring, and 1w(x3) to specify the initial start value input screen. Function: f(x)...
User Guide - Page 65
...
Stands for "VctAns".
• You cannot edit the contents of One Matrix to Another Matrix" for more information, see "Rules for obtaining the dot product of the last vector calculation. See "Copying the Contents of a cell. • To switch to the vector calculation screen, press A.
k Vector Menu Items
The following are the menu items...
User Guide - Page 69
... the numeric stack effectively has only five levels in the CMPLX Mode. • The MATRIX Mode uses its own vector stack, which is ±1 at the 10th digit for internal calculation, and calculation precision depends on the type of calculation you are performing causes the capacity of either stack to be used for storage...
User Guide - Page 71
... numeric stack or the command stack to be exceeded. • The calculation you are performing has caused the capacity of the matrix stack to be exceeded. • The calculation you are general operations you can then re-input and re-execute the calculation, if you attempt an illegal input, or whenever any error message...
User Guide - Page 72
....
• The solution variable that you specified is not included in the equation you do not allow that type of calculation.
• Action • Specify the dimension of the matrix or vector and then perform the calculation again. • Check the dimensions specified for the solution variable that is close to perform your...
User Guide - Page 75
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan
SA0411-B Printed in China
Appendix - Page 43
#104
MAT
1w(Abs)14(MATRIX) 4(MatB))
MAT
=
#105
MAT
14(MATRIX)3(MatA)w
MAT
=
MAT
14(MATRIX)3(MatA) 1w(x3)
MAT
=
#106
VCT
N8(VECTOR) 1(VctA)2(2)1= 2=
A15(VECTOR)1(Dim)
VCT
3(VctC)1(3)2=
y1= 2=
-42-
Appendix - Page 52
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan
SA0411-B
Printed in China Imprimé en Chine
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