Operators > Calculus Operators > Summation Operator
  
Summation Operator
Operator
Description
Returns the summation of all the elements in the vector v.
Returns the summation over i of the expression X.
Returns the summation of the expression X as j goes from m to n.
Operands
v is a vector.
i is the name of range variable.
j is the name of a local range variable.
X is an expression that typically contains i or j and that evaluates to a real number.
m, n are real numbers. n > m.
Additional Information
Leave the bottom and top placeholders of the summation operator empty depending on the kind of summation you want to perform.
When you define a range variable inside the summation operator, type equal after the local range variable name or insert the local range operator from the Ribbon.