topic 3D data, surface plot & 3D plot fit. in PTC Mathcad
https://community.ptc.com/t5/PTC-Mathcad/3D-data-surface-plot-3D-plot-fit/m-p/331820#M129727
<HTML><HEAD></HEAD><BODY><P>I have a table of data x, y, z in excel. </P><P></P><P>1. What is the best way of importing this data into Mathcad 15 for further analysis?</P><P>(So far I used Insert->Component...)</P><P></P><P>2. How do you plot this data as a Surface Plot?</P><P>(Stuck here)</P><P></P><P>3. How do you produce a function that would characterize this data, similar to a curve fit? So knowing x and y, you can plug them into z=f(x,y) to get desired value. (Ultimately this is what needed. I have multiple data tables like this and need to charactarize them by a function) </P><P></P><P>Thank you in advance for taking your time to respond.</P><P>I searched for related topics here and online but no success so far. </P><P>Any help is appreciated.</P></BODY></HTML>Thu, 03 May 2018 18:39:23 GMTptc-42476632018-05-03T18:39:23Z3D data, surface plot & 3D plot fit.
https://community.ptc.com/t5/PTC-Mathcad/3D-data-surface-plot-3D-plot-fit/m-p/331820#M129727
I have a table of data x, y, z in excel. 1. What is the best way of importing this data into Mathcad 15 for further analysis?(So far I used Insert->Component...)2. How do you plot this data as a Surface Plot?(Stuck here)3. How do you produce a function that would characterize thisThu, 03 May 2018 18:39:23 GMThttps://community.ptc.com/t5/PTC-Mathcad/3D-data-surface-plot-3D-plot-fit/m-p/331820#M129727ptc-42476632018-05-03T18:39:23ZRe: 3D data, surface plot & 3D plot fit.
https://community.ptc.com/t5/PTC-Mathcad/3D-data-surface-plot-3D-plot-fit/m-p/331821#M129728
<HTML><HEAD></HEAD><BODY><P>Vitaliy,</P><P>I have <SPAN class="short_text" id="result_box" lang="en"><SPAN class="hps">described</SPAN></SPAN> this task in the 4-d chapter "Technical Statistic"of the book "<A href="http://twt.mpei.ac.ru/ochkov/Mathcad_14/index.html">Mathcad for students and engineers</A>".</P><P></P><P>See for example this picture from the book:</P><P><A href="http://twt.mpei.ac.ru/ochkov/Mathcad_12/4_03_3D_Spline.png">http://twt.mpei.ac.ru/ochkov/Mathcad_12/4_03_3D_Spline.png</A></P><P>and others pictures <A href="http://twt.mpei.ac.ru/ochkov/Mathcad_12/Fig_Titles.html#ch4">here</A></P></BODY></HTML>Sat, 01 Oct 2011 08:02:29 GMThttps://community.ptc.com/t5/PTC-Mathcad/3D-data-surface-plot-3D-plot-fit/m-p/331821#M129728ValeryOchkov2011-10-01T08:02:29ZRe: 3D data, surface plot & 3D plot fit.
https://community.ptc.com/t5/PTC-Mathcad/3D-data-surface-plot-3D-plot-fit/m-p/331822#M129729
<HTML><HEAD></HEAD><BODY><BLOCKQUOTE><TABLE border="1"><TBODY><TR><TD><P>Vitaliy Glotov wrote:</P><P></P><P>I have a table of data x, y, z in excel. </P><P></P><P>1. What is the best way of importing this data into Mathcad 15 for further analysis?</P><P>(So far I used Insert->Component...)</P><P></P><P>2. How do you plot this data as a Surface Plot?</P><P>(Stuck here)</P><P></P><P>3. How do you produce a function that would characterize this data, similar to a curve fit? So knowing x and y, you can plug them into z=f(x,y) to get desired value. (Ultimately this is what needed. I have multiple data tables like this and need to charactarize them by a function) </P><P></P><P>Thank you in advance for taking your time to respond.</P><P>I searched for related topics here and online but no success so far. </P><P>Any help is appreciated.</P></TD></TR></TBODY></TABLE></BLOCKQUOTE><P>1) I prefer data tables; this puts the data into the mathcad sheet.</P><P></P><P>2) Help is hard to understand. Persist!</P><P></P><P>5) Multi-dimensional polynomial regression is available in the function "regress."</P></BODY></HTML>Sat, 01 Oct 2011 11:50:06 GMThttps://community.ptc.com/t5/PTC-Mathcad/3D-data-surface-plot-3D-plot-fit/m-p/331822#M129729FredKohlhepp2011-10-01T11:50:06Z