topic Re: Solve Block in Mathcad https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220359#M86238 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE><TABLE border="1"><TBODY><TR><TD><P>Isaac Cohen wrote:</P><P></P><P>Sorry, I just found that I multiplied instead of divided!</P><P></P><P>My fault!</P></TD></TR></TBODY></TABLE></BLOCKQUOTE><P>Sorry can you explain.</P></BODY></HTML> Thu, 07 Aug 2014 19:13:18 GMT MikeArmstrong 2014-08-07T19:13:18Z Solve Block https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220354#M86233 I'm wondering if anyone has any insight to this problem.I'm attempting to use the solve block to simulataneously solve for 3 unknowns using 3 equations. When I try, it returns a "These units are not compatible" error on the last variable of the find function. It doesn't Thu, 03 May 2018 16:03:48 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220354#M86233 ptc-5071035 2018-05-03T16:03:48Z Re: Solve Block https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220355#M86234 <HTML><HEAD></HEAD><BODY><P>Try removing the units from the variables which get square rooted.</P><P></P><P>Can you upload a worksheet?</P></BODY></HTML> Thu, 07 Aug 2014 18:07:35 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220355#M86234 MikeArmstrong 2014-08-07T18:07:35Z Re: Solve Block https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220356#M86235 <HTML><HEAD></HEAD><BODY><P>Also, looking around I'm finding that people are saying that you shouldn't use variables with different units in find. I've tried adding a second find for the inductors, but it doesn't seem to help.</P><P></P><P>P.S. My reply post about the worksheet request is being moderated because I included a link to the worksheet. I'm not sure how to upload the worksheet otherwise.</P><P></P><P>EDIT: I figured it out. I tried using it without units by the way and it said there was no solution.</P></BODY></HTML> Thu, 07 Aug 2014 18:56:23 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220356#M86235 ptc-5071035 2014-08-07T18:56:23Z Re: Solve Block https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220357#M86236 <HTML><HEAD></HEAD><BODY><P>Sorry, I just found that I multiplied instead of divided!</P><P></P><P>My fault!</P></BODY></HTML> Thu, 07 Aug 2014 19:10:45 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220357#M86236 ptc-5071035 2014-08-07T19:10:45Z Re: Solve Block https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220358#M86237 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE><TABLE border="1"><TBODY><TR><TD><P>Isaac Cohen wrote:</P><P></P><P>Also, looking around I'm finding that people are saying that you shouldn't use variables with different units in find. I've tried adding a second find for the inductors, but it doesn't seem to help.</P></TD></TR></TBODY></TABLE></BLOCKQUOTE><P>That's not an issue with Prime <IMG src="https://community.ptc.com/legacyfs/online/emoticons/happy.png" /></P><P></P><P>Have a look at the attached. There was something wrong with your units., so I have divided R.min by ohms and it works. You have not allocated any units to Q.</P></BODY></HTML> Thu, 07 Aug 2014 19:12:38 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220358#M86237 MikeArmstrong 2014-08-07T19:12:38Z Re: Solve Block https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220359#M86238 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE><TABLE border="1"><TBODY><TR><TD><P>Isaac Cohen wrote:</P><P></P><P>Sorry, I just found that I multiplied instead of divided!</P><P></P><P>My fault!</P></TD></TR></TBODY></TABLE></BLOCKQUOTE><P>Sorry can you explain.</P></BODY></HTML> Thu, 07 Aug 2014 19:13:18 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220359#M86238 MikeArmstrong 2014-08-07T19:13:18Z Re: Solve Block https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220360#M86239 <HTML><HEAD></HEAD><BODY><P>The Q equation should have had L/C instead of L*C. You caught it.</P></BODY></HTML> Thu, 07 Aug 2014 19:14:10 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220360#M86239 ptc-5071035 2014-08-07T19:14:10Z Re: Solve Block https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220361#M86240 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE><TABLE border="1"><TBODY><TR><TD><P>Isaac Cohen wrote:</P><P></P><P></P><P>P.S. My reply post about the worksheet request is being moderated because I included a link to the worksheet. I'm not sure how to upload the worksheet otherwise.</P></TD></TR></TBODY></TABLE></BLOCKQUOTE><P>Well I have never heard of that before. </P></BODY></HTML> Thu, 07 Aug 2014 19:14:11 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220361#M86240 MikeArmstrong 2014-08-07T19:14:11Z Re: Solve Block https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220362#M86241 <HTML><HEAD></HEAD><BODY><P>Super. I'm glad you got your solution. </P></BODY></HTML> Thu, 07 Aug 2014 19:15:23 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-Block/m-p/220362#M86241 MikeArmstrong 2014-08-07T19:15:23Z