Convert array of decimal numbers into hexadecimal numbers array.
x =[ 32 33 34 35 36 37 38 39 40 41 42 43 44 45]
res= ['20' ;'21' ;'22'; '23' ;'24' ;'25' ;'26' ;'27' ;'28'; '29' ;'2A'; '2B' ;'2C'; '2D'];
Get the area codes from a list of phone numbers
Back to basics 14 - Keywords
Back to basics 15 - classes
Square the input
Basic commands - Least common multiple
Solve expression I
Calculate the sum of elements of n*n Hilbert matrix.
Get derivarive of polynomial given as vector array.
Multiply two polynomials p and q given in in vector representation.
Sum positive elements of matrix.
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