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Inequalities

 

Calling Sequence

Parameters

Description

Examples

Compatibility

Calling Sequence

Inequalities(ineq)

Inequalities(curves, str, pt)

Parameters

ineq

-

list of inequalities in variables x and y

curves

-

list of LinearFunction objects

str

-

list of strings "strict" or "nonstrict", indicating type of inequality

pt

-

a GridPoint object or rtable/list representing a point in the feasible region

Description

• 

The Inequalities constructor generates and returns an object representing a set of inequalities. Currently, only linear inequalities are supported.

• 

The first calling sequence requires a list of inequalities in the variables x and y to be provided.

• 

The second calling sequence allows a feasible region to be defined indirectly, through a list of curves. The str parameter indicates whether the inequality associated with each curve is strict or not; this list must have the same number of elements as curves.

• 

The pt parameter can be any point in the feasible region. If the feasible region is empty, then an empty list should be given as pt.

Examples

withGrading

AbsoluteValueFunction,Draw,ExponentialFunction,GetData,GetDomain,GetExpression,GradePlot,GridPoint,Inequalities,LinearFunction,LogarithmicFunction,QuadraticFunction,Quiz,Segment

(1)

I1Inequalitiesx&plus;y1&comma;2<2xy

I1:=<< Inequalities: [x+y <= 1, 2 < 2*x-y]>>

(2)

I2InequalitiesLinearFunction0&comma;1&comma;2&comma;2&comma;LinearFunction1&comma;0&comma;2&comma;0&comma;nonstrict&comma;strict&comma;2&comma;1

I2:=<< Inequalities: [3/2*x+1 <= y, 0 < y]>>

(3)

Compatibility

• 

The Grading:-Inequalities command was introduced in Maple 18.

• 

For more information on Maple 18 changes, see Updates in Maple 18.

See Also

Grading

Grading:-GradePlot

 


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