Casio FX300ES User Guide - Page 43

Generating a Number Table, from a Function

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Statistical Calculation Type Logarithmic Regression (ln X) e Exponential Regression (e^X) ab Exponential Regression (A•B^X) Model Equation y = A + Bln X y = AeBX y = ABX Power Regression (A•X^B) y = AXB Inverse Regression (1/X) y=A+ B X Calculation Formula Appendix Comparison of Regression Curves • The following example uses the data input in Example . Compare the correlation coefficient 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 execute in logarithmic, e exponential, ab exponential, or power regression calculation when there are a large number of data samples. Generating a Number Table from a Function (TABLE) All calculations in this section are performed in the TABLE Mode (N3). k Configuring a Number Table Generation Function The procedure below configures the number table generation function with the following settings. Function: f(x) = x2 + 1 2 Start Value: 1, End Value: 5, Step Value: 1 LINE E-41

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E-41
Statistical Calculation
Model Equation
Calculation
Type
Formula
Logarithmic Regression
y
=
A
+
B
ln
X
<#055>
(ln X)
e
Exponential Regression
y
=
Ae
BX
<#056>
(
e
^X)
ab
Exponential Regression
y
=
AB
X
<#057>
(A•B^X)
Power Regression (A•X^B)
y
=
AX
B
<#058>
Inverse Regression (1/X)
y
=
A
+
X
B
<#059>
Appendix
Comparison of Regression Curves
• The following example uses the data input in Example <#047>.
<#060> Compare the correlation coefficient for logarithmic,
e
exponential,
ab
exponential, power, and inverse regression.
(FREQ: OFF)
Appendix
Other Types of Regression Calculation: <#061> to
<#065>
Command Usage Tips
• The commands included in the Reg sub-menu can take a long
time to execute in logarithmic,
e
exponential,
ab
exponential, or
power regression calculation when there are a large number of
data samples.
Generating a Number Table
from a Function
(TABLE)
All calculations in this section are performed in the TABLE Mode
(
N
3
).
k
Configuring a Number Table Generation
Function
The procedure below configures the number table generation
function with the following settings.
Function:
f
(
x
) =
x
2
+
Start Value: 1, End Value: 5, Step Value: 1
LINE
1
2