Post Reply 
Weird Issue with Solve Function
03-26-2020, 07:36 PM
Post: #1
Weird Issue with Solve Function
So this is how the problem should look and the answer as well: https://www.wolframalpha.com/input/?i=so...%2Cy%5D%29

When I type this into the Prime though, I get nothing. Just the dreaded [[]].

Trying to graph the two equations gives the yellow exclamation mark before going into the graphing screen with nothing on it.

[Image: 0QtdwVF.png]
Find all posts by this user
Quote this message in a reply
03-27-2020, 12:50 AM
Post: #2
RE: Weird Issue with Solve Function
Change your plot setting to this:

   

and you should get this:

   

-road
Find all posts by this user
Quote this message in a reply
03-27-2020, 01:12 AM
Post: #3
RE: Weird Issue with Solve Function
And if you modify your second equation slightly you get:

   

I'm not sure why your original form doesn't work.

-road
Find all posts by this user
Quote this message in a reply
03-27-2020, 01:22 AM
Post: #4
RE: Weird Issue with Solve Function
Have a value stored for x or y?

TW

Although I work for the HP calculator group, the views and opinions I post here are my own.
Find all posts by this user
Quote this message in a reply
03-27-2020, 01:38 AM
Post: #5
RE: Weird Issue with Solve Function
Nope:

   
Find all posts by this user
Quote this message in a reply
03-27-2020, 04:53 AM
Post: #6
RE: Weird Issue with Solve Function
Thanks roadrunner! Hopefully this is not a bug.

(03-27-2020 01:22 AM)Tim Wessman Wrote:  Have a value stored for x or y?

Yeah, I don't have a value stored either.
Find all posts by this user
Quote this message in a reply
03-27-2020, 07:42 AM
Post: #7
RE: Weird Issue with Solve Function
Indeed, bug confirmed and fixed.
Find all posts by this user
Quote this message in a reply
03-27-2020, 11:13 AM
Post: #8
RE: Weird Issue with Solve Function
This is more difficult. We're dealing with big numbers.
Others tried to solve this case before me.
I've also tried to solve this system of equations. I did it by looking for an approximation (lower boundary, upper boundary). See it in the screenshots. HP PRIME is a very powerful calculator. It solves almost every equation, inequality, equation system. But if there are problems, the outstanding Parisse will fix it quickly.
   
Find all posts by this user
Quote this message in a reply
03-27-2020, 05:36 PM
Post: #9
RE: Weird Issue with Solve Function
(03-27-2020 11:13 AM)Jan 11 Wrote:  This is more difficult. We're dealing with big numbers.
Others tried to solve this case before me.
I've also tried to solve this system of equations. I did it by looking for an approximation (lower boundary, upper boundary). See it in the screenshots. HP PRIME is a very powerful calculator. It solves almost every equation, inequality, equation system. But if there are problems, the outstanding Parisse will fix it quickly.

If only we could have the full power of χCas in the HP Prime. Separating the (external) libraries that contain ©opyright or other issues(*) so that a note powerful HP Prime would be available. Also the bug fixes would be more universal thus requiring less version maintaining efford.
– –
VPN
(*) Software library licence problem requiring everything using it to become public?
Find all posts by this user
Quote this message in a reply
Post Reply 




User(s) browsing this thread: 1 Guest(s)