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When using Matlab to solve a binary cubic equation, can you step through the problem solving steps step by step instead of just showing an answer? How should I operate?

Asked by: Charles Clark 237 views IT May 3, 2019

When using Matlab to solve a binary cubic equation, can you step through the problem solving steps step by step instead of just showing one answer? What should I do?

2 Answers

  1. +2Votes  

    This has not been simplified. Because there is a variable parameter a, and there is an imaginary solution for solving it;
    If you want to simplify it, use simple(ans)
    ans =
    1/6*((-108+12*(12*a ^3+81)^(1/2))^(2/3)-12*a)/(-108+12*(12*a^3+81)^(1/2))^(1/ 3)
    1/12*(-(-108+12*(12*a^3+81)^(1/2))^(2/3)+12*a+i*3^(1 /2)*(-108+12*(12*a^3+81)^(1/2))^(2/3)+12*i*3^(1/2)*a)/(- 108+12*(12*a^3+81)^(1/2))^(1/3)
    1/12*(-(-108+12*(12*a^3+81) ^(1/2))^(2/3)+12*ai*3^(1/2)*(-108+12*(12*a^3+81)^(1/2))^( 2/3)-12*i*3^(1/2)*a)/(-108+12*(12*a^3+81)^(1/2))^(1/3)

    Dennis- May 4, 2019 |

  2. +8Votes  

    It’s very simple. First, we need to convert the x in the first function into the form of the left and right equations. Let us write it as type 1, and then combine the formula 1 with the second function. In the same form of equation 1, we classify this form as type 2, and the last function is the longest and most complicated function. We classify the equation into a simple partition, and then substitute the 2 formula. The function is replaced by the same amount. The nature of the equality of the equation can be solved. The above is the solution to the problem. The specific steps are not elaborated. It is troublesome for the landlord to solve it.

    Amanda- May 5, 2019 |