From 70266b4d05d2565326d014f678d6c812edd3e27e Mon Sep 17 00:00:00 2001 From: Gael Guennebaud Date: Thu, 28 Aug 2008 00:33:58 +0000 Subject: doc + quick bug fix in Matrix ctor --- doc/QuickStartGuide.dox | 32 +++++++++++++++++++++++--------- 1 file changed, 23 insertions(+), 9 deletions(-) (limited to 'doc/QuickStartGuide.dox') diff --git a/doc/QuickStartGuide.dox b/doc/QuickStartGuide.dox index a4f2db946..a2fe4f23d 100644 --- a/doc/QuickStartGuide.dox +++ b/doc/QuickStartGuide.dox @@ -187,8 +187,8 @@ MatrixXi mat2x2 = Map(data,2,2); -\subsection TutorialCommaInit CommaInitializer -Eigen also offer a comma initializer syntax which allows you to set all the coefficients of a matrix to specific values: +\subsection TutorialCommaInit Comma initializer +Eigen also offer a \link MatrixBase::operator<<(const Scalar &) comma initializer syntax \endlink which allows you to set all the coefficients of a matrix to specific values: @@ -206,7 +206,8 @@ output: \verbinclude Tutorial_commainit_02.out
\include Tutorial_commainit_01.cpp
-\b Side \b note: here .finished() is used to get the actual matrix object once the comma initialization +\b Side \b note: here \link CommaInitializer::finished() .finished() \endlink +is used to get the actual matrix object once the comma initialization of our temporary submatrix is done. Note that despite the appearant complexity of such an expression Eigen's comma initializer usually yields to very optimized code without any overhead. @@ -263,7 +264,7 @@ most common coefficient wise operators:
- +
Coefficient wise product
Coefficient wise \link Cwise::operator*() product \endlink \code mat3 = mat1.cwise() * mat2; \endcode
@@ -274,11 +275,11 @@ mat3.cwise() -= scalar; \endcode
-Coefficient wise division\code +Coefficient wise \link Cwise::operator/() division \endlink\code mat3 = mat1.cwise() / mat2; \endcode
-Coefficient wise reciprocal\code +Coefficient wise \link Cwise::inverse() reciprocal \endlink\code mat3 = mat1.cwise().inverse(); \endcode
@@ -293,13 +294,17 @@ etc. +
-Trigo:\n sin, cos, tan\code +\b Trigo: \n +\link Cwise::sin sin \endlink, \link Cwise::cos cos \endlink, +\link Cwise::tan tan \endlink\code mat3 = mat1.cwise().sin(); etc. \endcode
-Power:\n pow, square, cube,\n sqrt, exp, log\code +\b Power: \n \link Cwise::pow() pow \endlink, \link Cwise::square square \endlink, +\link Cwise::cube cube \endlink, \n \link Cwise::sqrt sqrt \endlink, +\link Cwise::exp exp \endlink, \link Cwise::log log \endlink \code mat3 = mat1.cwise().square(); mat3 = mat1.cwise().pow(5); mat3 = mat1.cwise().log(); @@ -307,7 +312,9 @@ etc. \endcode
-min, max, absolute value\code +\link Cwise::min min \endlink, \link Cwise::max max \endlink, \n +absolute value (\link Cwise::abs() abs \endlink, \link Cwise::abs2() abs2 \endlink +\code mat3 = mat1.cwise().min(mat2); mat3 = mat1.cwise().max(mat2); mat3 = mat1.cwise().abs(mat2); @@ -428,6 +435,13 @@ mat3 = mat1.conjugate().transpose() * mat2; \endcode
+returns a \link MatrixBase::normalized() normalized \endlink vector \n +\link MatrixBase::normalize() normalize \endlink a vector +\code +vec3 = vec1.normalized(); +vec1.normalize();\endcode +
\link MatrixBase::asDiagonal() make a diagonal matrix \endlink from a vector \n \b Note: this product is automatically optimized !\code mat3 = mat1 * vec2.asDiagonal();\endcode -- cgit v1.2.3