please fix the description
Filled with "5" not "4".
The sum of the numbers in the vector
Area of rhombus
MATLAB Basic: rounding III
If you have matrix A, create matrix B using matrix A as an "element"
Area of a circle
Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
Square root of a number
Log of a number
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