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Odesolve solve block with vectors

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Odesolve solve block with vectors

What would cause the "watertemp" not to graph? I implemented the same steps for I(t) as I did with Ta but the water temp on the graph remains a straight line.

6 REPLIES 6
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Re: Odesolve solve block with vectors

Not a straight line

notStLi.png

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Re: Odesolve solve block with vectors

Did you run everything as is? Now I am wondering if it is just the version of MathCad I am using. I am using the software we have on our university PC's. This is what I get when using the university software.

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Re: Odesolve solve block with vectors


@ML_9447606 wrote:

Did you run everything as is? Now I am wondering if it is just the version of MathCad I am using. I am using the software we have on our university PC's. This is what I get when using the university software.


I hope you get the picture on the screen facing in the right direction as  I could imagine that it would be quite tedious and exhausting to use the computer in the headstand. 😀

 

Take a second look at Valerys picture - especially note the scale on the vertical axis!!

watertemp is decreasing, but very very slightly.

Werner_E_0-1602453557125.png

 

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Re: Odesolve solve block with vectors

Well then......that explains everything! Thank you both for helping me even if it was just getting me to pay attention to detail!

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Re: Odesolve solve block with vectors

Why do you not use units in your sheet?

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Re: Odesolve solve block with vectors

I am trying to make sure I can get the equations themselves to work properly first then add the units and see if everything still processes. I guess what I'm just trying to keep it as simple as possible first to make it easier on myself. It is eventually going to be a formula sheet for solving the temperatures in a basin solar still. Well hopefully.

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