| T O P I C R E V I E W |
| fhwminnm |
Posted - 03/28/2008 : 11:12:23 AM
Origin Version (Select Help-->About Origin): 7.5
Operating System: xp
I just recently figured out how to use matrices for 3d plotting in 7.5 and what i need to know is how to plot for e.g. a 10 x 15 matrix if either x or y do not have regular increments. it's easy if its 1 2 3 or 10 20 30 etc...but how do i do it if its sqrt 1, sqrt 2, etc. is this even possible with 7.5? |
| 3 L A T E S T R E P L I E S (Newest First) |
| greg |
Posted - 05/07/2008 : 10:57:24 AM
The Origin matrix does not support non-linear mapping of X,Y values. You can only specify
First X - The X value of the first column in the matrix
Last X - The X value of the last column in the matrix
First Y - The Y value of the first row in the matrix
Last Y - The Y value of the last row in the matrix
The X and Y values of intermediate columns and rows are determined linearly.
If you have XYZ data where the X and/or Y values do not follow a linear increment, then Origin 8 has a new XYZ Contour plot that creates a Contour without going through a matrix (no need to convert XYZ to a matrix first).
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| thasan |
Posted - 04/14/2008 : 1:40:12 PM
i think i understand what he meant:
once u create the matrix, go to MATRIX and then click on SET DIMENSIONS.
then u can put the values manually. this works well when u have a small mismatch. i have no idea how to get an accurate plot when you have a large mismatch in x (or y) increment. |
| Deanna |
Posted - 03/30/2008 : 11:11:49 PM
Sorry. I don't quite understand what kind of plots you want to create, because there are multiple plots that can be generated from matrices. Would you please provide more details?
Deanna
OriginLab Technical Services |
