Why the function doesnt work with('1234')??!

2020 2 5
1 个回答
更新时间：2020 2 7
8 次查看（30 天）

0 个投票

function coded=caesar(str,shift) a=double(str); counter=1; coded=zeros(1,length(str)); for i=[1:length(str)] if a(1,couner)+shift>126||a(1,counter)+shift<32%j while a(1,couner)+shift>126 coded(1,counter)=a(1,counter)+shift-95; counter=counter+1; end while a(1,counter)+shift<32 coded(1,counter)=a(1,counter)+shift+95; counter=counter+1; end else coded(1,counter)=a(1,counter)+shift; counter=counter+1; end end coded=char(coded) end

7 个评论
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Walter Roberson
Walter Roberson 2020-2-5
Are you failing to pass in the shift as well?
Marco Nashaat
Marco Nashaat 2020-2-5
I tried 'ABCD' with shift=3 And it worked but it didn't work with '1234'and shift=96
Walter Roberson
Walter Roberson 2020-2-5
Please post your code in readable form. Use "smart indent" in the MATLAB editor first. Then here, click on the '>' button in the 'CODE' section of the editing toolbar, and copy and paste your code.
Marco Nashaat
Marco Nashaat 2020-2-6
编辑：Walter Roberson 2020-2-6
function coded=caesar(str,shift)
a=double(str);
counter=1;
coded=zeros(1,length(str));
for i=[1:length(str)]
if a(1,couner)+shift>126||a(1,counter)+shift<32
while a(1,couner)+shift>126
coded(1,counter)=a(1,counter)+shift-95;
counter=counter+1;
end
while a(1,counter)+shift<32
coded(1,counter)=a(1,counter)+shift+95;
counter=counter+1;
end
else
coded(1,counter)=a(1,counter)+shift;
counter=counter+1;
end
end
coded=char(coded)
end
Walter Roberson
Walter Roberson 2020-2-6
Have a closer look at your lines 6 and 7: you use a variable named couner
Marco Nashaat
Marco Nashaat 2020-2-7
Wow how stupid of me!! Thank you very much
Marco Nashaat
Marco Nashaat 2020-2-7
I tried it now but it seems like it's not working yet,I got this message...Index in position 2 exceeds array bounds (must not exceed 4).
Error in caesar (line 7) while a(1,counter)+shift>126 Please help!!

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回答（1 个）

0 个投票

solution:
save it :
function coded=caesar(str,shift)
a=double(str);
counter=1; coded=zeros(1,length(str));
for i=[1:length(str)]
if a(1,counter)+shift>126||a(1,counter)+shift<32%j
while a(1,couner)+shift>126
coded(1,counter)=a(1,counter)+shift-95;
counter=counter+1;
end
while a(1,counter)+shift<32
coded(1,counter)=a(1,counter)+shift+95;
counter=counter+1;
end
else
coded(1,counter)=a(1,counter)+shift;
counter=counter+1;
end
end
coded=char(coded);
end
and type it in the Command Window :
caesar('1234',2)

4 个评论
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Walter Roberson
Walter Roberson 2020-2-5
JESUS DAVID ARIZA ROYETH: we discourage people from providing complete solutions for homework assignments.
Stephen23
Stephen23 2020-2-5
Simpler than lots of loops: use mod.
Walter Roberson sorry but it is not my solution is the same function provided by Marco Nashaat
Walter Roberson
Walter Roberson 2020-2-6
So it is, compete with the user of couner as a variable at one point.

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