Task:
Write a function that takes a vector X and returns the alternating sum of X:
X(1)-X(2)+X(3)-X(4)+...
Example:
for vector X=[1 2 3] the function should return 1-2+3=2.
Find the numeric mean of the prime numbers in a matrix.
5606 Solvers
731 Solvers
Decide whether determinant is zero.
69 Solvers
84 Solvers
439 Solvers
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