Write a script to round x DOWN to the next lowest integer:
e.g. x = 2.3 --> x = 2 also: x = 2.7 --> x = 2
sum of non-primes
ベクトル [1 2 3 4 5 6 7 8 9 10] の作成
Cumulative product of a vector
Matlab Basics II - Unit Conversion
Replace every 3rd element in a vector with 4
Matlab Basics II - Count rows in a matrix
Matlab Basics - Rounding II
Matlab Basics II - Log and natural log
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