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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: matlab novice
Replies: 12   Last Post: Aug 1, 2013 7:42 AM

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Torsten Hennig

Posts: 2,419
Registered: 12/6/04
Re: matlab novice
Posted: Aug 1, 2013 6:27 AM
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> think we are getting close
>
> when we do "pH = -log10(Hplus);" i get
>
> ??? In an assignment A(I) = B, the number of
> elements in B and
> I must be the same.
>
> Error in ==> pH_Calculation_3 at 47
> pH(i) = -log10(Hplus);
>
> if i remove the '(i)'
>
> and run as
> pH(i) = -log10(Hplus);
>
> my pH array starts pH14 to pH13. It should start
> with pH approx = pH1 and progress towards pH14.
>
> any thoughts, sorry if new to this.
>
> thanks


If you run exactly the code I sent you (after replacing "For" by "for"), what error message do you get or which unexpected behaviour do you encounter ?

Best wishes
Torsten.



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