[[...]]

[BLT]

TiM
[http://www-obs.univ-lyon1.fr/~thiebaut/TiM/TiM.html]

CBLAS from [critlib]

[Ed Hume]'s [pure-Tcl] linear algebra package [http://www.hume.com/la/]

[matrix]

[NAP]

[VKIT]

NArray
[http://rrdjazz.nist.gov/staff/nickm/narray.html]

[LinearAlgebra] Tcllib::linearalgebra for users of Tcl8.4 (and possibly earlier) for vectors, matrices and linear equation solvers. Documented in the Help pages.

[Ratcl] is starting to get some vector/matrix operators.

[TclMatrix3d] an RPN expression command for affine transformations 

[3d Matrix Inversion] inverts 3x3 matrices

matrix in [PLplot]

Matrix [incr tcl] class in [a small operating-point circuit simulator]

TIP#314 [http://tip.tcl.tk/314.html] contains as an example an ensemble for doing matrix arithmetic over arbitrary rings.

3D rotation matrices can be constructed in [Euler Angles].

http://web.science.mq.edu.au/~cassidy/wordpress/?p=205%|%Tcl Matrix Type%|%: "implements a new object type for Tcl which looks like a nested list of doubles but is stored internally as a 2d matrix. Conversion to and from string values is only done as needed so that matrices can be passed by value efficiently in tcl scripts. "

[VecTcl]

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