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ligdar
Italy
1 Posts |
 Posted - 10/23/2018 : 06:12:09 AM
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I need to plot an XY chart in which there are some constant X values, while Y varies.
In practice it is the weight loss (Y) during a thermal ramp (X) which also includes a constant an isotherm period with constant T (eg T=constant=100°C for a time, after increases).
During the isotherm, Y continues to vary.
When I try to create the graph, only one value of X at T=100°C is shown and the whole period of isotherm thus collapses into a single point of X (Y vertical line).
The weight loss of Y in the isotern period (X=100°C) should be a more or less slanting line and not a vertical line.
How can I solve the problem?
Thanks
e.g.
T (°C) X=50,100,100,100,100,100,150,200,250
Weigth (%) Y=100,90,80,60,50,40,30,15,2 |
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Hideo Fujii
USA
1582 Posts |
Posted - 10/23/2018 : 1:42:52 PM
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Hi ligdar,
I'm not sure exactly what the end result what you wanted, I thought that you want to have some
gradual offsets at the same X position.
Also, though the following way may not be the best approach, you can try:
Here, you made a new column(B) for the modified X, which calculates the X with offsets(5) on the same X in column A.
The formula uses the conditional operator (<condition>?<value-on-Yes>:<value-on-No> ).
( https://www.originlab.com/doc/LabTalk/guide/Operators#Conditional_Operator_.28.3F:.29 )
Does this work in your case?
--Hideo Fujii
OriginLab |
Edited by - Hideo Fujii on 10/23/2018 1:51:28 PM |
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XY plot with constant X value