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Issues with else / If command?
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The program is user-defined. So far I have:
Line 1: Rtotal=input('How many resistors are there? ');
Line 2: R1=input('What is R1? ');
Line 3: R2=input('What is R2? ');
Line 4: result = input('Are the resistors series or parallel?');
Line 5: if Series
Line 6: Series=(1./(R1 + R2)).^-1;
Line 7: end;
Line 8: if Parallel
Line 9: Parallel=R1+R2;
Line 10: end;
As seen below, the road bump occurs on line 4. The error I get when I type Series is:
Error using input
Undefined function or variable 'Series'.
Error in simple (line 4)
result = input('Are the resistors series or parallel?');
Why is this incorrect? Please assist.
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Star Strider
am 9 Dez. 2014
Bearbeitet: Star Strider
am 9 Dez. 2014
I apologise for being direct, but you have multiple errors.
First, you need to test ‘result’ to see if it contains the string 'series' or 'parallel'.
Second, your formulae for the total resistance of series or parallel is reversed.
See if this works:
result = 'series'; % Create Data
if strcmpi(result,'series')
RT = R1+R2;
elseif strcmpi(result,'parallel')
RT = R1*R2/(R1+R2);
end
where ‘RT’ is the total resistance of the network.
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