FACTOR

FILE INFORMATION
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factor.zip

Filename

factor.zip (Download)

Title

FACTOR

Description

This program finds the linear factors of a polynomial of one variable. Try for example 117X^4 20X^3 390X^2 +20X +273. If the polynomial only has rational factors it will be completely factored. The above example will factor as (X1)(X+1)(9X+13)(13X21), If the polynomial has irrational or imaginary/complex roots in addition to rational roots, or if the program can't find any factor, the program will show the coefficients of the remaining polynomial. For example: X^3 +X^2 +X 3, will give a linear factor of (X1), the program will then display: OTHER FACTOR: {1 2 3}. Which means that 1X^2 +2X +3, is another integral factor. If the program can't find any linear factor, or when there is not enough of them, it tries a substitution for X^2. It can then find factors like, (AX^2+B). This makes it more likely that it finds all the integral factors. Try for example: X^5X^4+2X^32X^215X+15. UPDATE: The program is now three times faster for the first equation above.

Authors

Anders Tiberg (anders.tiberg@telia.com) Joe Erdeky (erdeky@inbox.com)

Category

TI84 Plus C Silver Edition/CE BASIC Math Programs

File Size

2,166 bytes

File Date and Time

Tue Oct 10 19:49:54 2017

Documentation Included?

Yes


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