Casio ClassPad 300 User Manual page 139

u fMin
Function: Returns the minimum point in a specific range of a function.
Syntax: fMin(Exp[,variable] [ ) ]
fMin(Exp,variable,start value,end value[,
x
• " " is the default when you omit "[,variable]".
• Negative infinity and positive infinity are the default when the syntax fMin (Exp [,
variable] [ ) ] is used.
n
• " " is calculation precision, which you can specify as an integer in the range of 1 to 9.
Using any value outside this range causes an error.
• This command returns an approximate value when calculation precision is specified for
n
" ".
• This command returns a true value when nothing is specified for "
cannot be obtained, however, this command returns an approximate value along with
n
= 4.
• Discontinuous points or sections that fluctuate widely can adversely affect precision or
even cause an error.
• Inputting a larger number for "
increases the amount of time required to perform the calculation.
• The value you input for the end point of the interval must be greater than the value you
input for the start point. Otherwise an error occurs.
Example: To find the minimum point of
Menu Item: [Action][Calculation][fMin]
Example: To find the minimum point of
Menu Item: [Action][Calculation][fMin]
Example: To find the minimum point of
when –2 <
Menu Item: [Action][Calculation][fMin]
2-7-11
Using the Action Menu
n
" increases the precision of the calculation, but it also
x 2
– 1 with respect to
x
2
– 1 with respect to
x 3
– 6
x n
< 2 and
= 1
20021201
n
] [ ) ]
n
x
x
, when 2 <
x
x
with respect to ,
". If the true value
x
< 3