


Re: Explicit calculations
ptc4532331 Apr 3, 2012 11:35 AM (in response to mzeftel)I replied to Alan but I wanted to respond to you, too and hopefully Alan will see this.
Below is the actual formulas and variables I used. In lieu of "a" I used SA (for surface area) with the subscript to differentiate between sides, top and bottom. I'm using different numbers for simplification of my question.
SA.top := 8ft*4ft
SA.top = 32ft^2
SA.bottom := 8ft*4ft
SA.bottom = 32ft^2SA.sides :=10ft*8ft
SA.sides = 80ft^2
SA.total := SA.top + SA.bottom + SA.sides
The next line shows the result that I receive when trying to apply the explicit function:
SA.total, explicit, SA.top, SA.bottom, SA.sides > SA.top, SA.bottom, SA.sides
I do get numerical values for the example I provided in my original post but I do not get any numerical values in my worksheet for the workflow above, even if I applied the explicit function to the SA.total equation I show above, right below the variables.
Do you have any suggestions?

Re: Explicit calculations
AlanStevens Apr 3, 2012 11:57 AM (in response to ptc4532331)Scott Horowitz wrote:
Below is the actual formulas and variables I used. In lieu of "a" I used SA (for surface area) with the subscript to differentiate between sides, top and bottom. I'm using different numbers for simplification of my question.
SA.top := 8ft*4ft
SA.top = 32ft^2
SA.bottom := 8ft*4ft
SA.bottom = 32ft^2SA.sides :=10ft*8ft
SA.sides = 80ft^2
SA.total := SA.top + SA.bottom + SA.sides
The next line shows the result that I receive when trying to apply the explicit function:
SA.total, explicit, SA.top, SA.bottom, SA.sides > SA.top, SA.bottom, SA.sides
I do get numerical values for the example I provided in my original post but I do not get any numerical values in my worksheet for the workflow above, even if I applied the explicit function to the SA.total equation I show above, right below the variables.
Do you have any suggestions?
Explicit needs to be used where you calculate SA.total:
Alan

Re: Explicit calculations
ptc4532331 Apr 3, 2012 12:08 PM (in response to AlanStevens)I tried that also but see that where the variables are inserted, the operations are printed for each variable, and not the numerical value for each variable. Instead of 32 ft^2 for SA.top the explicit function shows 8ft*4ft.

Re: Explicit calculations
AlanStevens Apr 3, 2012 12:18 PM (in response to ptc4532331)Scott Horowitz wrote:
I tried that also but see that where the variables are inserted, the operations are printed for each variable, and not the numerical value for each variable. Instead of 32 ft^2 for SA.top the explicit function shows 8ft*4ft.
I see what you mean. You might be stuck with this!





Re: Explicit calculations
ptc4532331 Apr 3, 2012 11:27 AM (in response to AlanStevens)I am using MathCAD 14. I rightclicked to show only equation side and I also tried to hide the left side of the equation but there is a large space. I can attach my worksheet to see if that might help. It will show the actual formula and variables I'm using.

Re: Explicit calculations
AlanStevens Apr 3, 2012 11:35 AM (in response to ptc4532331)Scott Horowitz wrote:
. I can attach my worksheet to see if that might help.
Please do. It's always best to attach a worksheet if possible.
Alan

Re: Explicit calculations
ptc4532331 Apr 3, 2012 11:38 AM (in response to AlanStevens)Alan,
I've seen the option to upload files previously but I cannot locate that option now. How would I upload the worksheet?

Re: Explicit calculations
AlanStevens Apr 3, 2012 11:42 AM (in response to ptc4532331)Select Advanced editor in top right of standard editor.
Then go to the bottom left of the advanced editor.
Alan



Re: Explicit calculations
ptc4532331 Apr 3, 2012 1:58 PM (in response to AlanStevens)Alan, that seems to be the display I am looking for. I tried to give it a shot to figure it out but how did you get the arrow to display in the SA calculations at the top? when I right click on my calculations I get the "view multiplication as..." menu, and when I try to do an explicit function within the calculations I get a result with an undefined variable.

Re: Explicit calculations
AlanStevens Apr 4, 2012 1:08 AM (in response to ptc4532331)Scott Horowitz wrote:
... how did you get the arrow to display in the SA calculations at the top? ...
Just use the Symbolic menu (the mortar board hat) and choose the arrow. Alternatively use 'Ctrl.' (that's Ctrl and a period).
Alan

Re: Explicit calculations
ptc4532331 Apr 9, 2012 12:30 PM (in response to AlanStevens)Alan,
Thank you for your help. I have tried your suggestion and it worked 100% of the time. You're a great resource!




Re: Explicit calculations
ptc4532331 Apr 9, 2012 12:31 PM (in response to mzeftel)Mona,
thank you very much for your help. I have the solution I need. Unfortunately, I didn't explain my issue very well in the beginning. You and Alan are very helpful





