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student

  

equate

  

create a set of equations from lists, arrays and tables

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

equate(A, B)

Parameters

A

-

expression or a list, vector or matrix of expressions or equations

B

-

(optional) expression or a list, vector or matrix of expressions or equations to be compared with A

Description

• 

Important: The student package has been deprecated. Use the superseding command Equate instead.

• 

This procedure is used to construct a set of equations by comparing the components of compound objects such as a lists, vectors or matrices of expressions.

• 

If A and B are both lists with the same number of elements then the resulting equations are A1=B1,tripledotplaceholderAn=Bn 

• 

Vectors and matrices are converted to lists prior to constructing the set of equations.

• 

If the second argument B consists of a single algebraic expression or a list with a single element then the corresponding list is extended by repetition to the length required for a proper comparison with A.

• 

If there is no second argument B it defaults to the value 0.

• 

If the first argument A includes equations, the second argument is used only to convert the non-equation components of A into equations.   In this case B must be a list of length 1.

• 

The command with(student,equate) allows the use of the abbreviated form of this command.

Examples

Important: The student package has been deprecated. Use the superceding command Equate instead.

withstudent:

equatex,y

x=y

(1)

equatexyz,3

x=3,y=3,z=3

(2)

equatexy,ab

x=a,y=b

(3)

Tfirstx+y

Tfirst:=x+y

(4)

Tsecondxy

Tsecond:=xy

(5)

equateT,2

xy=2,x+y=2

(6)

See Also

Equate

Student

student(deprecated)

subs

 


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