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3 /** \page TutorialArrayClass Tutorial page 3 - The %Array class and coefficient-wise operations
25 perform coefficient-wise operations, which might not have a linear algebraic meaning,
26 such as adding a constant to every coefficient in the array or multiplying two arrays coefficient-wise.
88 The operation is valid if both arrays have the same size, and the addition or subtraction is done coefficient-wise.
90 Arrays also support expressions of the form <tt>array + scalar</tt> which add a scalar to each coefficient in the array.
107 multiplication as matrix product and arrays interpret multiplication as coefficient-wise product. Thus, two
120 \section TutorialArrayClassCwiseOther Other coefficient-wise operations
122 The Array class defines other coefficient-wise operations besides the addition, subtraction and multiplication
124 value of each coefficient, while \link ArrayBase::sqrt() .sqrt() \endlink computes the square root of the
138 More coefficient-wise operations can be found in the \ref QuickRefPage.
145 operations such as matrix multiplication, then you should use matrices; if you need to do coefficient-wise
151 'converts' them into \link ArrayBase array expressions\endlink, so that coefficient-wise operations
168 * to multiply them coefficient-wise and assigns the result to the matrix variable \c result (this is legal
172 .cwiseProduct() \endlink method for matrices to compute the coefficient-wise product. This is also shown in
188 coefficient in the matrix \c m and then computes the matrix product of the result with \c m. Similarly, the
189 expression <tt>(m.array() * n.array()).matrix() * m</tt> computes the coefficient-wise product of the matrices
