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b=regexpre​p(b,'^','.​^','all'); doesn't works.

2 次查看（过去 30 天）
Jonghun
Jonghun 2013-7-8
I want to replace ,/,^ to .,./,.^
my code:
syms t;
a='t^3+t*t+t^2/t';
b=a;
b=regexprep(b,'*','.*','all');
b=regexprep(b,'/','./','all');
b=regexprep(b,'^','.^','all');
Result I want:
a=t^3+t*t+t^2/t
b=t.^3+t.*t+t.^2./t
Real result:
a=t^3+t*t+t^2/t
b=t^3+t.*t+t^2./t
I think " b=regexprep(b,'^','.^','all');" doesn't works.
How can I fix this problem?

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采纳的回答

Andrei Bobrov
Andrei Bobrov 2013-7-8
编辑：Andrei Bobrov 2013-7-8
syms t;
a=t^3+t*t+t^2/t;
b = vectorize(a);

更多回答（2 个）

Azzi Abdelmalek
Azzi Abdelmalek 2013-7-8
b=regexprep(b,'\^','.\^')
Jan
Jan 2013-7-8
STRREP is faster than REGEXPREP:
b = strrep(b, '^', '.^');

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