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convert/Cylinder

convert special functions admitting 1F1 or 0F1 hypergeometric representation into Cylinder functions

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

convert(expr, Cylinder)

Parameters

expr

-

Maple expression, equation, or set or list of them

Description

• 

convert/Cylinder converts, when possible, special functions admitting a 1F1 or 0F1 hypergeometric representation into Cylinder functions. The Cylinder functions are

> 

FunctionAdvisor( Cylinder );

The 3 functions in the "Cylinder" class are:

CylinderD,CylinderU,CylinderV

(1)

Examples

> 

HermiteH⁡a,z⁢LaguerreL⁡12⁢a,−12,12⁢z2

HermiteH⁡a,z⁢LaguerreL⁡a2,−12,z22

(2)
> 

convert⁡,Cylinder

CylinderD⁡a,z⁢2⁢ⅇz22⁢a2−12a2⁢ⅇz24⁢Γ⁡12−a2⁢CylinderD⁡a,z2⁢π+CylinderD⁡a,z⁢2⁢ⅇz22⁢a2−12a2⁢ⅇz24⁢Γ⁡12−a2⁢CylinderD⁡a,−z2⁢π

(3)
> 

erfc⁡a,z

erfc⁡a,z

(4)
> 

convert⁡,Cylinderassuminga::posint

CylinderD⁡−1−a,z⁢2⁢2ⅇz22⁢2a⁢π

(5)
> 

2⁢π12⁢z212⁢a−14⁢Γ⁡12⁢a+14⁢hypergeom⁡12⁢a+34,32,12⁢z2+π12⁢hypergeom⁡12⁢a+14,12,12⁢z2Γ⁡12⁢a+34⁢212⁢a−34

2⁢π⁢z⁢hypergeom⁡a2+34,32,z222a2−14⁢Γ⁡a2+14+π⁢hypergeom⁡a2+14,12,z22Γ⁡a2+34⁢2a2−34

(6)
> 

convert⁡,Cylinder

ⅇz24⁢2a2+14⁢2a2−14−2a2+34⁢2a2−34⁢CylinderD⁡−a−12,z2⁢2a2−14⁢2a2−34+ⅇz24⁢2a2+14⁢2a2−14+2a2+34⁢2a2−34⁢CylinderD⁡−a−12,−z2⁢2a2−14⁢2a2−34

(7)
> 

collect⁡,CylinderD,simplify

2⁢ⅇz24⁢CylinderD⁡−a−12,−z

(8)

When converting to a function class (e.g. Cylinder) it is possible to request additional conversion rules to be performed. Compare for instance these two different outputs:

> 

MeijerG⁡14−12⁢a,,0,−12,−12⁢z2

MeijerG⁡14−a2,,0,−12,−z22

(9)
> 

convert⁡,Cylinder

−ⅇz24⁢2a2+34⁢Γ⁡12+a⁢CylinderD⁡−a−12,z2⁢π⁢z⁢2a−12+ⅇz24⁢CylinderD⁡−a−12,−z⁢2a2+34⁢Γ⁡12+a2⁢π⁢z⁢2a−12

(10)
> 

convert⁡,Cylinder,raise a

−ⅇz24⁢2a2+34⁢Γ⁡12+a⁢CylinderD⁡32−a,z2⁢a−1⁢π⁢z⁢2a−12+ⅇz24⁢2a2+34⁢Γ⁡12+a⁢CylinderD⁡32−a,−z2⁢a−1⁢π⁢z⁢2a−12+ⅇz24⁢2a2+34⁢Γ⁡12+a⁢CylinderD⁡−a+12,z2⁢a−1⁢π⁢2a−12+ⅇz24⁢CylinderD⁡−a+12,−z⁢2a2+34⁢Γ⁡12+a2⁢a−1⁢π⁢2a−12

(11)

See Also

convert

convert/to_special_function

FunctionAdvisor