dhwani mathur

Ranch Hand

Posts: 621

posted 10 years ago

ok,here is my problem i am trying to work on derivative of a linear equation.The equation is of form "A(x^2)+Bx+C".i have written my own method for finding the derivative.But this method finds the output when we give the input value of x,A,B,C.That is 4 values are given as input we get the answer .But know i have to give a linear equation as input,may be equation may vary ie somtimes it can be

1)A(x^2)-Bx+C

2)Ax-B.......and soo on.....my question is which variable and of what data type i should use to take linear equation as input,and how should i split each of the elements of linear equation.

if anybody have some suggestions you are welcome.Thanks in advance.

1)A(x^2)-Bx+C

2)Ax-B.......and soo on.....my question is which variable and of what data type i should use to take linear equation as input,and how should i split each of the elements of linear equation.

if anybody have some suggestions you are welcome.Thanks in advance.

posted 10 years ago

Every second or lower order linear equation can be written as A(x^2) + Bx + C.

Suppose you have the equation 2(x^2) - 3x + 1, then A = 2, B = -3, C = 1.

Suppose you have the equation 3x - 4, then A = 0, B = 3, C = -4.

So you can just have your program take the coefficients A, B, C as input, and you can represent any second or lower order linear equation with just the coefficients. Note that A, B and C aren't restricted to numbers >= 1.

Suppose you have the equation 2(x^2) - 3x + 1, then A = 2, B = -3, C = 1.

Suppose you have the equation 3x - 4, then A = 0, B = 3, C = -4.

So you can just have your program take the coefficients A, B, C as input, and you can represent any second or lower order linear equation with just the coefficients. Note that A, B and C aren't restricted to numbers >= 1.

It is sorta covered in the JavaRanch Style Guide. |