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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by ajha[/i] [br]Hi all, I am struggling to plot the 3D surface using X,Y and Z variables given in terms of 3 (n x m) 2D matrices. I am aware of how to plot the surface if X,Y, and Z are given in 3 columns vectors. I tried to arrange these 2D matrices into 3 columns vector by mapping through their corresponding indices, but Origin fails to interpolate the surface correctly. I think it is because it loss the parametric information when it is converted from 2D matrices into 1D vectors. I know the fact that, one can plot 3D surface from three matrices (X,Y and Z) in other plotting tools such as Python, Matlab, Mathcad, gnuplot, etc. Is there any way to do solve this problem? If so could someone please help me out. I am using OriginPro 2018. Thank you Ajay Ajay [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.