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problem with for loop

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itsik
itsik 2011-5-18
hello i try to make a for loop but i need the jumps between the numbers will be in factor of 10 lets say there is a for loop like that: for i=1:5
so i need to make
for i=10,100,1000,10000
but it wont work maybe someone know what to do? thanks alot!

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采纳的回答

Matt Fig
Matt Fig 2011-5-18
for ii = logspace(1,5,5)
% Do stuff here.
end

更多回答（4 个）

Oleg Komarov
Oleg Komarov 2011-5-18
for ii = 10.^(1:5)
Sean de Wolski
Sean de Wolski 2011-5-18
w=0:60*(10^6/4096)+1:60*10^6 ; % [Hz]
zl=50 ; % [ohm]
zs=50 ; % [ohm]
R=1.9884 ; % [ohm/meter]
G=0.01686*10^-9 ; % [mho/meter]
C=0.13394*10^-9 ; % [farad/meter]
L=362.81*10^-9 ; % [henrry/meter]
zc=sqrt((R+1j.*w.*L)./(G+1j.*w.*C)); % characteristic impedance
gama=sqrt((R+1j.*w.*L).*(G+1j.*w.*C));
l_change = 10.^(1:5);
%Engine
lg = (l_change')*gama;
aa=cosh(lg);
bb=bsxfun(@times,zc,sinh(lg));
cc=bsxfun(@times,(1./zc),sinh(lg));
dd=cosh(lg);
H_change= (zl./((aa.*zl)+bb+(cc.*zl.*zs)+(dd.*zs)));
EDITED: per Oleg's comment and full data set.
  1 个评论
Oleg Komarov
Oleg Komarov 2011-5-18
Doesn't work with complete code, bsxfun is needed

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itsik
itsik 2011-5-18
[EDIT: Wed May 18 18:21:13 UTC 2011 - Merged Answers - MKF]
ok i tried it but it still doesnt work this is the code maybe someone know thanks again!!!
w=0:60*(10^6/4096)+1:60*10^6 ; % [Hz]
zl=50 ; % [ohm]
zs=50 ; % [ohm]
R=1.9884 ; % [ohm/meter]
G=0.01686*10^-9 ; % [mho/meter]
C=0.13394*10^-9 ; % [farad/meter]
L=362.81*10^-9 ; % [henrry/meter]
zc=sqrt((R+j.*w.*L)./(G+j.*w.*C)); % characteristic impedance [ohm]
gama=sqrt((R+j.*w.*L).*(G+j.*w.*C));
l_change = 10.^(1:5);
for length=l_change
aa=cosh(gama.*l_change);
bb=zc.*sinh(gama.*l_change);
cc=(1./zc).*sinh(gama.*l_change);
dd=cosh(gama.*l_change);
H_change= (zl./((aa.*zl)+bb+(cc.*zl.*zs)+(dd.*zs)));
end
  6 个评论
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Matt Fig
Matt Fig 2011-5-18
@Oleg and Andy,
Also, as people comment on non-Answers, it is harder for the editors to move the answers to the appropriate comments section...
Perhaps this will be fixed in the future, but right now editors cannot edit comments, only delete them, and cannot change an answer to a comment with the same authorship...
Andy
Andy 2011-5-18
@Oleg, thanks!
@Matt, good to know. In the future, I'll make this sort of comment on the main question so that the 'answer' can be edited appropriately.

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itsik
itsik 2011-5-18
thank u very much for your help!!!!!!!!

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