| Author | Comment |
korkow
Ultralisk
Posted: 19 May 2005
17:26 GMT
Total Posts: 465 | Is there a simulataneos equation solver built into the 68K series. Kind of like the one for the the 86? Dont tell me if you know of a program or somehting, I need it to be BUILT IN. |
Andy
Administrator
Posted: 19 May 2005
18:04 GMT
Total Posts: 939 | Only the App that should be preloaded anymore... |
BullFrog
Wraith
Posted: 19 May 2005
18:43 GMT
Total Posts: 623 | rref(
Perhaps I should tell more than just that... If you have a set of equations, set them up so that one is on top of another. Then take the coefficients and make a matrix. For two equations with two unknowns, you'll have a matrix that is two rows by three columns. It'll look something like:
[1 2 3]
[4 5 6]
Where 1, 2, 4 and 5 are coefficients for the x's and y's or something and the 3 and 6 are what the equations equal.
(Imagine that's all one matrix, by the way.) Enter that into your calculator and put "rref(" at the beginning (minus quotes). That should do it. It's really all the 86 and 83+ apps are doing anyway...
One more thing. (Forgot the most important part!) The answer the calculator gives you will look something like:
[1 0 7]
[0 1 9]
This means that the variable in the furthest left spot (usually x) is equal to 1 and that the second variable (usually y) is equal to 9.
Feel free to ask questions.
[Edited by BullFrog on 20-May-05 04:02]
---
"Men are not prisoners of fate, but only prisoners of their own minds." -Franklin D. Roosevelt |
korkow
Ultralisk
Posted: 20 May 2005
14:56 GMT
Total Posts: 465 | I found a MUCH easier way. You type in "solve(y=x+3 and xy=3x,{x,y})" And it will give you the answer
|
BullFrog
Wraith
Posted: 20 May 2005
16:55 GMT
Total Posts: 623 | Well, if you ever run into systems of equations that have three or four variables to be solved for, I imagine the matrices will be a *much* faster way. But if two equations and two unknowns is all you're going to be dealing with, more power to ya.
---
"Men are not prisoners of fate, but only prisoners of their own minds." -Franklin D. Roosevelt |
