Problem 2235. Back to basics - mean of corner elements of a matrix
Calculate the mean of corner elements of a matrix.
e.g. a=[1 2 3; 4 5 6; 7 8 9;]
Mean = (1+3+7+9)/4 = 5
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Indexing III
- 23 Problems
- 44 Finishers
- expand intervals vol.3
- remove single elements
- return row and column indices given 2 values which define a range
- expand intervals vol.2
- compress sequence into intervals
- expand intervals
- Max Change in Consecutive Elements
- remove single elements
- Back to basics - mean of corner elements of a matrix
- Time Expansion
- Three...is a magic number.
- counting groups!
- Largest territory
- Replace pattern 0 1 0 and 1 0 1
- Find the index of n in magic(n)
- Sum of odd numbers in a matrix
- return row and column indices given 2 values which define a range
- Another colon problem
- How unique?
- Finding neighbors of [-1:1] in a matrix....
- Find the maximum two numbers of every column of a matrix
- Index one element in each vector of an array along a given dimension
- Tridiagonal
- Index of a Rational number
- Sort numbers by outside digits
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