There is a 3d matrix [A] that consist of many zeros and only one.
Where is one? Find [i j k].
(hint:use find and ind2sub)
Inner product of two vectors
Set the array elements whose value is 13 to 0
Calculate area of sector
Change matrix to vector2
Calculate inverse matrix in m by n matrix
Solve equation numerically
Weighted moving average
Solve system of equation!
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