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chef13
chef13 2013-7-29
Hi to everyone,
I have this function:
function output = simplecontroller(input)
%UNTITLED2 Summary of this function goes here
% Detailed explanation goes here
%Input
% f0=0;
% flag=f0;
L=input(1);
V=input(2);
Ldot=input(3);
% Vdot=input(4);
flag=input(4);
L0=0.28;
% flag0=0;
S1=0;
S2=1;
Ldot_thres=0;
Vin=2000;
V_thres=Vin;
if(flag==0) % Corresponds to phase X to A
S1=0;
S2=1;
if(Ldot<Ldot_thres && L>=L0*1.5)
S1=1;
S2=0;
flag=1;
end
elseif(flag==1) % Corresponds to phase A to B
S1=1;
S2=0;
if(V>=V_thres)
S1=0;
S2=0;
flag=2;
end
elseif(flag==2)
S1=0;
S2=0;
if(Ldot>=0 )
S2=1;
S1=0;
flag=0;
end
elseif(flag==3)
S2=1;
S1=0;
if(L<=L0+0.05)
flag=0;
end
else
flag=0;
disp('ERROR !!!!!!!!!!!!!!!!!!!!!')
end % end of the principal if statement
output=[S1;S2;flag];
end
This is a really easy code but my Build Log gives me this error:
1 ### Compiling simplecontroller_initialize.c ...
2 gcc -c -ansi -pedantic -fwrapv -fPIC -O0 -DMODEL=simplecontroller -DHAVESTDIO -DUSE_RTMODEL -DUNIX -I/media/sf_Desktop/Simulink/Simulink\ backup -I/media/sf_Desktop/Simulink/Simulink\ backup/codegen/lib/simplecontroller -I/media/sf_Desktop/Simulink/Simulink -I/media/sf_Desktop/Simulink/Simulink\ backup/backup -I/usr/local/matlab/R2013a/extern/include -I/usr/local/matlab/R2013a/simulink/include -I/usr/local/matlab/R2013a/rtw/c/src -I/usr/local/matlab/R2013a/rtw/c/src/ext_mode/common -I/usr/local/matlab/R2013a/rtw/c/ert -o "simplecontroller_initialize.o" "simplecontroller_initialize.c"
3 /usr/lib/gcc/x86_64-linux-gnu/4.7/cc1: /usr/local/matlab/R2013a/sys/os/glnxa64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found (required by /usr/lib/x86_64-linux-gnu/libppl_c.so.4)
4 /usr/lib/gcc/x86_64-linux-gnu/4.7/cc1: /usr/local/matlab/R2013a/sys/os/glnxa64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found (required by /usr/lib/x86_64-linux-gnu/libppl.so.12)
5 gmake: *** [simplecontroller_initialize.o] Error 1
6
7 ### Failed to generate all binary outputs.
Someone has an idea of what could be the error?
I defined the input as a vector 1x4 because at every iteration I have a 1x4 vector which goes as input to the function.
Is that correct?

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采纳的回答

chef13
chef13 2013-7-30
I solved thanks to this post: http://www.mathworks.it/support/solutions/en/data/1-QBCS1/?solution=1-QBCS1
Thanks for your replies!

更多回答（2 个）

Walter Roberson
Walter Roberson 2013-7-29
You have gcc 4.7 installed. You need gcc 3.4.15 instead (or as well.)
Ryan Livingston
Ryan Livingston 2013-7-29
The supported version of GCC for R2013a is 4.4.*:
http://www.mathworks.com/support/compilers/R2013a/index.html?sec=glnxa64
The version of GLIBCXX is not necessarily the same as that of GCC:
http://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html#abi.versioning
The version of libstdc++.so is not recent enough on your system. I would suggest checking for newer versions of that package with the package manager on your distribution.

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