Problem 42986. Determine the roots of a cubic equation

Created by Abhishek Jain

Solve Later

Given the coefficients a, b, c, and d of a cubic equation, a*x^3 + b*x^2 + c*x + d = 0, determine its roots.

Solve

Solution Stats

223 Solutions
52 Solvers

Last Solution submitted on Oct 13, 2025

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Ivan on 16 Sep 2016

seriously?
>> assert(isequal(cubicRoots(x),y_correct))
cubicRoots(x)?

goc3 on 30 Sep 2016

This problem has been corrected and is now solvable.

Solution Comments

Show comments

Problem Recent Solvers52

Suggested Problems

Find the numeric mean of the prime numbers in a matrix.

9121 Solvers
Back to basics 8 - Matrix Diagonals

960 Solvers
Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]

395 Solvers
UICBioE240 2.8

193 Solvers
multiply an array by its position number

111 Solvers

More from this Author8

Sum of cubes

110 Solvers
Energy of an object

453 Solvers
Linear system of equations

454 Solvers
Create a constant offset.

122 Solvers
Display negative numbers

109 Solvers

Problem Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!