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]
Finding Perfect Squares
Try 1.5.4: Celsius to Fahrenheit
Sum of cubes
Find sum of negative elements in row.
Calculate the sum of elements of n*n Hilbert matrix.
Get derivarive of polynomial given as vector array.
Find cosine between two given vectors u and v.
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