20070201
2-5-13
Numerical Calculations
Example 2 To determine the maximum value for the interval defi ned by start
point
a = 0 and end point b = 3, with a precision of n = 6 for the
function
y = – x
2
+ 2 x + 2
Input f
( x ).
A K 4 (CALC)6 (g )2 (FMax) -vx +c v +c,
Input the interval
a = 0, b = 3.
a,d,
Input the precision
n = 6.
g)
w
# In the function f
( x ), only X can be used as
a variable in expressions. Other variables
(A through Z excluding X,
r , θ ) are treated
as constants, and the value currently
assigned to that variable is applied during the
calculation.
# Input of n and the closing parenthesis can be
omitted.
# Discontinuous points or sections with drastic
fl uctuation can adversely affect precision or
even cause an error.
# You cannot use a differential, quadratic
differential, integration, Σ , maximum/minimum
value, Solve, RndFix or log ab calculation
expression inside of a maximum/minimum
calculation term.
# Inputting a larger value for
n increases the
precision of the calculation, but it also increases
the amount of time required to perform the
calculation.
# The value you input for the end point of the
interval (
b ) must be greater than the value you
input for the start point (
a ). Otherwise an error
occurs.
# You can interrupt an ongoing maximum/
minimum calculation by pressing the A key.
# You can input an integer in the range of 1 to 9
for the value of
n . Using any value outside this
range causes an error.
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