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symsum

  

symbolic sum

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

symsum(M)

symsum(M, v)

symsum(M, a, b)

symsum(M, v, a, b)

Parameters

M

-

array

v

-

variable

a

-

lower limit of summation

b

-

upper limit of summation

Description

• 

The symsum(M) function computes the element-wise symbolic sum of M.  The result, R, is formed as R[i,j] = symsum(M[i,j], v, a, b).

• 

F = symsum(f) is the indefinite symbolic sum of the scalar f. If f is a constant the variable of summation is n.

• 

symsum(f,v) is the indefinite symbolic sum of the scalar f with respect to v.

• 

symsum(f,a,b) is the definite symbolic sum of the scalar f in the range a..b.

• 

symsum(f,v,a,b) is definite symbolic sum of the scalar f in the range a..b with respect to v.

Examples

withMTM:

MMatrix2,3,fill=expx+3x2+5:

symsumM

x2x23x+112+ⅇxⅇ1x2x23x+112+ⅇxⅇ1x2x23x+112+ⅇxⅇ1x2x23x+112+ⅇxⅇ1x2x23x+112+ⅇxⅇ1x2x23x+112+ⅇxⅇ1

(1)

See Also

MTM[int]

sum