Cody

# Andriy Kavetsky

Rank
Score
1 – 38 of 38

#### Problem 44370. Octoberfest festival

Created by: Andriy Kavetsky

#### Problem 43599. Find the sides of an isosceles triangle when given its area and height from its base to apex

Created by: Andriy Kavetsky

#### Problem 43638. For given xx,x, y vectors build spline of x and y and find yy values for xx vector.

Created by: Andriy Kavetsky

Tags splines

#### Problem 43637. For given vectors x,y find coresponding spline coefficients.

Created by: Andriy Kavetsky

#### Problem 43634. Find product of eigenvalues of n*n magic matrix.

Created by: Andriy Kavetsky

#### Problem 43633. Calculate the sum of elements of n*n Hilbert matrix.

Created by: Andriy Kavetsky

Tags matrix

#### Problem 43628. Find cosine between two given vectors u and v.

Created by: Andriy Kavetsky

Tags vector, norm, dot

#### Problem 43627. Find Euclidean norm of given vector u.

Created by: Andriy Kavetsky

Tags vector, norm, basics

#### Problem 43626. Find scalar product of two polynomials a and b, given as vector array.

Created by: Andriy Kavetsky

#### Problem 43625. Calculate roots of polynomial given as vector array.

Created by: Andriy Kavetsky

#### Problem 43621. Get derivarive of polynomial given as vector array.

Created by: Andriy Kavetsky

#### Problem 43619. Divide polynomial p1 by p2.

Created by: Andriy Kavetsky

#### Problem 43618. Multiply two polynomials p and q given in in vector representation.

Created by: Andriy Kavetsky

#### Problem 43617. Calculate the values of a polynomial.

Created by: Andriy Kavetsky

#### Problem 43616. Opposite task convert string hexadecimal numbers array into array of decimal numbers .

Created by: Andriy Kavetsky

#### Problem 43614. Opposite task convert binary numbers array into array of decimal numbers.

Created by: Andriy Kavetsky

Tags binary, decimal

#### Problem 43603. Convert array of decimal numbers into hexadecimal numbers array.

Created by: Andriy Kavetsky

Tags basics, array, hex

#### Problem 43602. Convert array of decimal numbers into binary numbers array.

Created by: Andriy Kavetsky

#### Problem 43601. Find the sines of an isosceles triangle when given its area and height

Created by: Andriy Kavetsky

Tags triangle

#### Problem 43590. Solve t^(a*x^2+b*x+c)=s

Created by: Andriy Kavetsky

Tags log, equations

#### Problem 43557. Find hen's weight.

Created by: Andriy Kavetsky

Tags fun

#### Problem 43492. Create a square matrix with given conditions

Created by: Andriy Kavetsky

Tags matrix

#### Problem 43491. Delete x value in given vector y.

Created by: Andriy Kavetsky

Tags vector

#### Problem 43490. Set x value to each odd index of vector y.

Created by: Andriy Kavetsky

#### Problem 43330. Solve expression III

Created by: Andriy Kavetsky

Tags easy, spam, review

#### Problem 43329. Solve expression II

Created by: Andriy Kavetsky

#### Problem 43326. Solve expression I

Created by: Andriy Kavetsky

#### Problem 43325. Count given word x in text.

Created by: Andriy Kavetsky

#### Problem 43319. Select primes from the matrix.

Created by: Andriy Kavetsky

#### Problem 43318. Compare two strings.

Created by: Andriy Kavetsky

#### Problem 43316. Display positive elements of matrix.

Created by: Andriy Kavetsky

#### Problem 43306. Set x value to each even index of vector y.

Created by: Andriy Kavetsky

#### Problem 43305. Sum positive elements of matrix.

Created by: Andriy Kavetsky

#### Problem 43304. Find sum of negative elements in row.

Created by: Andriy Kavetsky

#### Problem 43303. Pointwise multiplication of vectors.

Created by: Andriy Kavetsky

#### Problem 43284. Form a square matrix from four square sub-matrices

Created by: Andriy Kavetsky

Tags matrix

#### Problem 43280. Replace x value into y value in string text.

Created by: Andriy Kavetsky

Tags strings

#### Problem 43069. Find the volume of cone

Created by: Andriy Kavetsky

1 – 38 of 38