Talk:Biconjugate gradient stabilized method

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Step 2

Step 2 is confusing, there seems to be two different r0? —Preceding unsigned comment added by 130.37.28.128 (talk • contribs) 09:38, April 13, 2010 (UTC)

Could be a problem with your browser. The second r-zero is in fact "r hat"-zero. Kxx (talk | contribs) 14:07, 13 April 2010 (UTC)[reply]

I was confused too, as the spanish page says:

Elige un vector arbitrario

{\boldsymbol {\hat {r}}}_{0}

tal que

({\boldsymbol {\hat {r}}}_{0},{\boldsymbol {r}}_{0})\neq 0

, por ejemplo,

{\boldsymbol {\hat {r}}}_{0}={\boldsymbol {r}}_{0}

while the english one says:

Choose an arbitrary vector

r ̂ 0

such that

(r ̂ 0, r 0) \neq 0

, e.g.,

r ̂ 0 = r 0

Which one is right? Should the english page be changed? Nicolas Bigaouette (talk) 21:40, 26 April 2010 (UTC)[reply]