Re: [eigen] documentation: the long tutorial |

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*To*: eigen@xxxxxxxxxxxxxxxxxxx*Subject*: Re: [eigen] documentation: the long tutorial*From*: Carlos Becker <carlosbecker@xxxxxxxxx>*Date*: Mon, 21 Jun 2010 12:15:29 +0100*Dkim-signature*: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=1T01Xe4R8ZPrEQ2K7uFB+lKq+MrVWUNy0Q/hMb5z3Pw=; b=TQ5vc2TOTCmeS+Nxvbr71SjkzQbsILjv0/uElG56tbWW3J9o++q04tWgR0K1HODv4h hyvyaeCv1Z4ReqbFW+Myc9AAoH25TuZJvulva8OEqFrh4+95z0fNAfFbaFkbt+3Tl6Yd m+IeC5zGYPw7qX9lj2yEhc5MsmKHPtErvqOSA=*Domainkey-signature*: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=V9h7x7RDbnW39H1KTDLTwAyb8WlyZAa9DT4d7SDnaO/ELFS9tfhs/ZrHUrPLunCDAq kyAre75Dqq5iCtvTOpVI0Gz8YB3AuZWC/VEO3MxOnbWgOUo+F3kzVUxmc5SYqH8a/qEW soYLPIh4I3u5DPGpfMvV092F7gV9FSZ+zzqLQ=

Thanks for the feedback. When you talk about declaring an object as an Array rather than a Matrix, which would be the advantages? Is there any penalty for using matrix.array()? Sorry I am asking about this, I am not sure since I have never used this explicitly.

Carlos

On Mon, Jun 21, 2010 at 6:58 AM, Hauke Heibel <hauke.heibel@xxxxxxxxxxxxxx> wrote:

Great and thank you for your effort.

Only a few minor comments:

- please try to use MatrixXf::Index in your examples like the

minCoeff() code (we just changed that recently)

- I would add "... and indices ..." to "Maximum coefficient .... in a

matrix" since there exists another method taking no parameters which

returns the coefficients only

- for the Array docs I would also mention the special typedefs we have

for Arrays like e.g. ArrayXXf

This is a bit more important since it resembles a little inconsistency

which we need to point out because ArrayXXf is the MatrixXf equivalent

(note the two 'X' vs. one for matrices). Also, sometimes it really

makes sense to declare your objects right away as Arrays without using

the Matrix::array() method.

Ok, that's it for the moment. If I have more time I can look more careful.

Thanks again,

Hauke

On Sun, Jun 20, 2010 at 11:45 PM, Carlos Becker <carlosbecker@xxxxxxxxx> wrote:

> Some new stuff:

>

> Arithmetic

> ops: http://carlosbecker.com.ar/eigen/doc/TutorialMatrixArithmetic.html

> Array class: http://carlosbecker.com.ar/eigen/doc/TutorialArrayClass.html

>

> The Array class part is quite incomplete I guess. I am wondering whether

> more details should be added or if this is enough. I think that the examples

> found in http://eigen.tuxfamily.org/dox/TutorialCore.html are quite useful,

> does anyone know in which .dox file they are found?

> All feedback welcome.

> Carlos

**Follow-Ups**:**Re: [eigen] documentation: the long tutorial***From:*Benoit Jacob

**References**:**[eigen] documentation: the long tutorial***From:*Benoit Jacob

**Re: [eigen] documentation: the long tutorial***From:*Gael Guennebaud

**Re: [eigen] documentation: the long tutorial***From:*Benoit Jacob

**Re: [eigen] documentation: the long tutorial***From:*Thomas Capricelli

**Re: [eigen] documentation: the long tutorial***From:*Carlos Becker

**Re: [eigen] documentation: the long tutorial***From:*Benoit Jacob

**Re: [eigen] documentation: the long tutorial***From:*Carlos Becker

**Re: [eigen] documentation: the long tutorial***From:*Carlos Becker

**Re: [eigen] documentation: the long tutorial***From:*Benoit Jacob

**Re: [eigen] documentation: the long tutorial***From:*Robert Lupton the Good

**Re: [eigen] documentation: the long tutorial***From:*Carlos Becker

**Re: [eigen] documentation: the long tutorial***From:*Benoit Jacob

**Re: [eigen] documentation: the long tutorial***From:*Carlos Becker

**Re: [eigen] documentation: the long tutorial***From:*Hauke Heibel

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