Difference between revisions of "Documentation/How Tos/Calc: SUMX2PY2 function"
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| − | :<tt>'''SUMX2PY2'''</tt> evaluates its parameters <tt>'''x'''</tt> and <tt>'''y'''</tt> as | + | :<tt>'''SUMX2PY2'''</tt> evaluates its parameters <tt>'''x'''</tt> and <tt>'''y'''</tt> as [[Documentation/How_Tos/Using Arrays|array formulas]], but does not need to be entered as an array formula. In other words it can be entered with the '''Enter''' key, rather than '''Cntrl-Shift-Enter'''. See the example below. |
=== Example: === | === Example: === | ||
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<tt>'''SUMX2PY2(A1:A2+1; {2|1})'''</tt> | <tt>'''SUMX2PY2(A1:A2+1; {2|1})'''</tt> | ||
| − | :when entered 'normally' (not as an | + | :when entered 'normally' (not as an [[Documentation/How_Tos/Using Arrays|array formula]]), and where cells A1 and A2 contain <tt>'''3'''</tt> and <tt>'''2'''</tt> respectively, returns ((3+1)<sup>2</sup>+2<sup>2</sup>) + ((2+1)<sup>2</sup>+1<sup>2</sup>) = <tt>'''30'''</tt>. <tt>'''SUMX2PY2'''</tt> forces <tt>'''(A1:A2+1)'''</tt> to be evaluated as an [[Documentation/How_Tos/Using Arrays|array formula]] (internally returning the array {4|3}). |
{{Documentation/SeeAlso| | {{Documentation/SeeAlso| | ||
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* [[Documentation/How_Tos/Calc: SUMPRODUCT function|SUMPRODUCT]],* [[Documentation/How_Tos/Calc: SUMX2MY2 function|SUMX2MY2]], | * [[Documentation/How_Tos/Calc: SUMPRODUCT function|SUMPRODUCT]],* [[Documentation/How_Tos/Calc: SUMX2MY2 function|SUMX2MY2]], | ||
* [[Documentation/How_Tos/Calc: SUMXMY2 function|SUMXMY2]] | * [[Documentation/How_Tos/Calc: SUMXMY2 function|SUMXMY2]] | ||
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* [[Documentation/How_Tos/Conditional Counting and Summation|Conditional Counting and Summation]] | * [[Documentation/How_Tos/Conditional Counting and Summation|Conditional Counting and Summation]] | ||
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* [[Documentation/How_Tos/Using Arrays|How To Use Arrays in Calc]] | * [[Documentation/How_Tos/Using Arrays|How To Use Arrays in Calc]] | ||
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* [[Documentation/How_Tos/Calc: Array functions|Array functions]] | * [[Documentation/How_Tos/Calc: Array functions|Array functions]] | ||
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* [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] | * [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] | ||
* [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} | * [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} | ||
Revision as of 14:34, 25 February 2009
SUMX2PY2
Returns the sum of the squares of all elements of two matrices.
Syntax:
SUMX2PY2(x; y)
- x and y are arrays or ranges of the same size. SUMX2PY2 calculates
for the i elements in the arrays or ranges.
- Advanced topic:
- SUMX2PY2 evaluates its parameters x and y as array formulas, but does not need to be entered as an array formula. In other words it can be entered with the Enter key, rather than Cntrl-Shift-Enter. See the example below.
Example:
SUMX2PY2(A1:A2; {2|1})
- where cells A1 and A2 contain 4 and 3 respectively, returns (42+22) + (32+12) = 30.
Advanced topic (parameter evaluated as array formula):
SUMX2PY2(A1:A2+1; {2|1})
- when entered 'normally' (not as an array formula), and where cells A1 and A2 contain 3 and 2 respectively, returns ((3+1)2+22) + ((2+1)2+12) = 30. SUMX2PY2 forces (A1:A2+1) to be evaluated as an array formula (internally returning the array {4|3}).
