Calculate roots of polynomial given as vector array.
x=[1 2 0 5 0 3]
0.4784 + 1.0983i;
0.4784 - 1.0983i;
-0.1150 + 0.8680i;
-0.1150 - 0.8680i]
Make a random, non-repeating vector.
CONVERT TAN TO SIN
find the roots of a quadratic equation
Rotate matrix by -90 degrees
Calculate some equation
Opposite task convert string hexadecimal numbers array into array of decimal numbers .
Display positive elements of matrix.
Select primes from the matrix.
Solve expression I
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