Difference between revisions of "Documentation/How Tos/Calc: MINVERSE function"
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: when entered as an array formula in cell B3, where cells A1, B1, A2, B2 contain <tt>'''4'''</tt>, <tt>'''2'''</tt>, <tt>'''3'''</tt>, <tt>'''2'''</tt> respectively, returns <tt>'''1'''</tt>, <tt>'''-1'''</tt>, <tt>'''-1.5'''</tt>, <tt>'''2'''</tt> in cells B3, C3, B4, C4 respectively. | : when entered as an array formula in cell B3, where cells A1, B1, A2, B2 contain <tt>'''4'''</tt>, <tt>'''2'''</tt>, <tt>'''3'''</tt>, <tt>'''2'''</tt> respectively, returns <tt>'''1'''</tt>, <tt>'''-1'''</tt>, <tt>'''-1.5'''</tt>, <tt>'''2'''</tt> in cells B3, C3, B4, C4 respectively. | ||
| − | + | {{Documentation/SeeAlso| | |
| − | [[Documentation/How_Tos/Calc: MDETERM function| | + | * [[Documentation/How_Tos/Calc: MDETERM function|MDETERM]], |
| − | [[Documentation/How_Tos/Calc: MMULT function| | + | * [[Documentation/How_Tos/Calc: MMULT function|MMULT]], |
| − | [[Documentation/How_Tos/Calc: MUNIT function| | + | * [[Documentation/How_Tos/Calc: MUNIT function|MUNIT]] |
| − | [[Documentation/How_Tos/Using Arrays| | + | * [[Documentation/How_Tos/Using Arrays|How To Use Arrays in Calc]] |
| − | [[Documentation/How_Tos/Calc: Array functions| | + | * [[Documentation/How_Tos/Calc: Array functions|Array functions]] |
| − | [[Documentation/How_Tos/Calc: Functions listed alphabetically| | + | * [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] |
| − | [[Documentation/How_Tos/Calc: Functions listed by category| | + | * [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} |
Revision as of 14:04, 25 February 2009
MINVERSE
Returns the inverse of a matrix.
Syntax:
MINVERSE(array)
- returns the inverse of the square matrix array, which may be either an inline array or a range, containing all numbers.
- MINVERSE returns an array, and must be entered as an array formula (for example by using Cntrl-Shift-Enter rather than just Enter).
- A matrix has an inverse if and only if its determinant is not zero.
Example:
=MINVERSE({4;2|3;2})
- when entered as an array formula in cell B3, returns {1;-1|-1.5;2}, so that cells B3, C3, B4, C4 show 1, -1, -1.5, 2 respectively.
=MINVERSE(A1:B2)
- when entered as an array formula in cell B3, where cells A1, B1, A2, B2 contain 4, 2, 3, 2 respectively, returns 1, -1, -1.5, 2 in cells B3, C3, B4, C4 respectively.
