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Illustration of Minimum and Maximum Value
Both of these functions also return the index of the minimum or maximum value; when there is more than one occurrence, it returns the first. For illustration, in the data set below, 10 is the maximum value; it is found in three elements in the vector but the index returned is the first element in which it is found (that is 2):
>> x = [9 10 10 9 8 7 3 10 9 8 5 10];
>> [maxval, maxind] = max(x)
maxval =
10
maxind =
2
Illustration of Variance For illustration, for the vector [4, 6, 1, 5], there are n = 4 values therefore n - 1 is 3. The mean of this data set is also 4. The variance will be
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Give the formula for a rational function that has a hole at x=7 & vertical asmptote at x=-3/2
Illustration of Empty vectors: The Empty vectors can also be used to delete elements from the arrays. For illustration, to remove the third element from array, an empty vector
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Illustration of Logical vectors: Calling the function appears to return similar vector as simply vec > 5, and summing the result still works to determine how many elements wer
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