@Azhar: you need to change your function name. 'string' already exists as a function in MATLAB.
The function name has been updated. The problem should now be solvable.
Change your function name please.
Number of 1s in the Binary Representation of a Number
All your base are belong to us
Doubling elements in a vector
Return area of square
Volume and area of a sphere
Find minimum and maximum elements of an array
Roots of quadratic equation
To convolve two vectors
Change number representation to HEX
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