New to Matlab, need help
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Christopher
am 17 Dez. 2013
Kommentiert: kei hin
am 19 Dez. 2013
Hi,
I'm really new to Matlab and I need some help with my homework. We are supposed to write a script/program that determines the zeros of a second degree polynomial function.
All I have so far is the basic structure:
a=input('Koeffizient a: ');
b=input('Koeffizient b: ');
c=input('Koeffizient c: ');
d=b^2-4ac
if d>0
x1=(-b+d)/2a;
x2=(-b-d)/2a;
if d=0
-(b/2a)
d<0
Fehler
end
end
disp('Nullstelle ist: ')
I would appreciate any help (especially those in the form of pointers to help me solve the problem myself and not get you guys to do my homework :P )
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Akzeptierte Antwort
kei hin
am 17 Dez. 2013
Bearbeitet: kei hin
am 17 Dez. 2013
Operators can't be omitted. If 'a=2', you want '4',then you need '2*a', not '2a'. And you'd better type your code in Matlab, you will see the tips or warning message from the Matlab to correct your code.
for 'disp' help
You can also type 'doc' in matlab command window, then search something you want to know.
1 Kommentar
Walter Roberson
am 17 Dez. 2013
Remember to include () if needed. You probably want to divide by (2*a) rather than to divide by 2 and then multiply the result by a.
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