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]
Matrix indexing with two vectors of indices
Getting the indices from a vector
Getting the absolute index from a matrix
find the maximum element of the matrix
Side of a rhombus
Calculate the sum of elements of n*n Hilbert matrix.
Find the sines of an isosceles triangle when given its area and height
Opposite task convert string hexadecimal numbers array into array of decimal numbers .
Solve expression II
Replace x value into y value in string text.
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