https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880104#M206995 <P>From what I can see, Fs1 and Fs2 are defined as functions in your file (they depend on variable x).<BR /><BR /></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Cornel_0-1686232823144.png" style="width: 701px;"><img src="https://www.ptcusercommunity.com/t5/image/serverpage/image-id/83287iEC1736DB78745D2A/image-dimensions/701x676?v=v2" width="701" height="676" role="button" title="Cornel_0-1686232823144.png" alt="Cornel_0-1686232823144.png" /></span></P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Cornel_1-1686232877167.png" style="width: 674px;"><img src="https://www.ptcusercommunity.com/t5/image/serverpage/image-id/83288i2CFF86F2AF69EC2A/image-dimensions/674x640?v=v2" width="674" height="640" role="button" title="Cornel_1-1686232877167.png" alt="Cornel_1-1686232877167.png" /></span></P> <P>&nbsp;</P> <P>&nbsp;</P> <P>&nbsp;</P> Thu, 08 Jun 2023 14:04:27 GMT Cornel 2023-06-08T14:04:27Z https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880098#M206994 <P>Hi</P><P>I have set up a function, where I want to find the root x.&nbsp;</P><P>I have made an attempt in the attached file to use the Solve block-function, unfortunately I get an error message and don't know how to proceed.&nbsp;&nbsp;</P><P>&nbsp;</P><P>If somebody could help me, I would be really thankful. <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span></P><P><FONT color="headerbuttontrackingcode">&nbsp;</FONT></P><P><FONT color="headerbuttontrackingcode">&nbsp;</FONT></P> Thu, 08 Jun 2023 13:35:13 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880098#M206994 ksk_10594232 2023-06-08T13:35:13Z https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880104#M206995 <P>From what I can see, Fs1 and Fs2 are defined as functions in your file (they depend on variable x).<BR /><BR /></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Cornel_0-1686232823144.png" style="width: 701px;"><img src="https://www.ptcusercommunity.com/t5/image/serverpage/image-id/83287iEC1736DB78745D2A/image-dimensions/701x676?v=v2" width="701" height="676" role="button" title="Cornel_0-1686232823144.png" alt="Cornel_0-1686232823144.png" /></span></P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Cornel_1-1686232877167.png" style="width: 674px;"><img src="https://www.ptcusercommunity.com/t5/image/serverpage/image-id/83288i2CFF86F2AF69EC2A/image-dimensions/674x640?v=v2" width="674" height="640" role="button" title="Cornel_1-1686232877167.png" alt="Cornel_1-1686232877167.png" /></span></P> <P>&nbsp;</P> <P>&nbsp;</P> <P>&nbsp;</P> Thu, 08 Jun 2023 14:04:27 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880104#M206995 Cornel 2023-06-08T14:04:27Z https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880108#M206996 <P>Thanks! <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span></P> Thu, 08 Jun 2023 14:05:03 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880108#M206996 ksk_10594232 2023-06-08T14:05:03Z https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880139#M206997 <P>You may also use the "root" function to get your solution</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Werner_E_0-1686241104096.png" style="width: 485px;"><img src="https://www.ptcusercommunity.com/t5/image/serverpage/image-id/83291iC15A92A5C4B3F14E/image-dimensions/485x415?v=v2" width="485" height="415" role="button" title="Werner_E_0-1686241104096.png" alt="Werner_E_0-1686241104096.png" /></span></P> <P>&nbsp;</P> Thu, 08 Jun 2023 16:18:44 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880139#M206997 Werner_E 2023-06-08T16:18:44Z https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880218#M207007 <P>Great input, thanks!</P> Fri, 09 Jun 2023 05:24:59 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880218#M207007 ksk_10594232 2023-06-09T05:24:59Z https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880269#M207008 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image.png" style="width: 556px;"><img src="https://www.ptcusercommunity.com/t5/image/serverpage/image-id/83333iFE4F97AEF4DF6D3E/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span></P> Fri, 09 Jun 2023 10:05:46 GMT https://www.ptcusercommunity.com/t5/Mathcad/Solve-x-solve-block/m-p/880269#M207008 ttokoro 2023-06-09T10:05:46Z