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New to
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Find your learning path
»
Mathematica
>
Mathematics and Algorithms
>
Mathematical Functions
>
Numerical Functions
>
Boole
>
BUILT-IN MATHEMATICA SYMBOL
Piecewise Functions
Integrals over Regions
Tutorials »
|
If
Piecewise
DiscreteDelta
UnitStep
Unitize
DiscreteIndicator
Pick
RegionPlot
True
See Also »
|
Boolean Computation
Conditionals
Inequalities
Logic & Boolean Algebra
Numerical Functions
More About »
Boole
Boole
[
expr
]
yields
if
expr
is
True
and
if it is
False
.
MORE INFORMATION
Boole
[
expr
]
remains unchanged if
expr
is neither
True
nor
False
.
Boole
[
expr
]
is effectively equivalent to
If
.
Boole
is
Listable
.
Integrate
can be used to integrate
f
over the region in which
pred
is
True
.
EXAMPLES
CLOSE ALL
Basic Examples
(3)
Convert a list of truth values to integers:
Find the area of the disc defined by the inequality
:
In[1]:=
Out[1]=
Convert a list of truth values to integers:
In[1]:=
Out[1]=
Find the area of the disc defined by the inequality
:
In[1]:=
Out[1]=
Applications
(4)
Find the area of a region defined by an inequality:
Plot the region:
Find the volume of a solid defined by an inequality:
Plot the solid:
Find the area of the intersection of a circle with a parametric radius and a square:
Convert a table of
True
,
False
values to
for plotting:
Properties & Relations
(6)
The inverse of
Boole
:
Use
PiecewiseExpand
to convert
Boole
to
Piecewise
:
Correspondence between logic operations on conditions and arithmetic operations on
Boole
:
Use
Refine
,
Simplify
, and
FullSimplify
to transform expressions involving
Boole
:
Reduce equations and optimize functions involving
Boole
:
Use
Boole
as a characteristic function for integration problems:
SEE ALSO
If
Piecewise
DiscreteDelta
UnitStep
Unitize
DiscreteIndicator
Pick
RegionPlot
True
TUTORIALS
Piecewise Functions
Integrals over Regions
MORE ABOUT
Boolean Computation
Conditionals
Inequalities
Logic & Boolean Algebra
Numerical Functions
New in 5.1 | Last modified in 6