vec_to_upper_tri

Inverts <code>upper_tri</code>. Takes a flat vector and returns an
upper triangular matrix (row-major order, matching CVXPY convention).

An object-oriented modeling language for disciplined
convex programming (DCP) as described in Fu, Narasimhan, and Boyd
(2020, <doi:10.18637/jss.v094.i14>). It allows the user to
formulate convex optimization problems in a natural way following
mathematical convention and DCP rules. The system analyzes the
problem, verifies its convexity, converts it into a canonical
form, and hands it off to an appropriate solver to obtain the
solution. This version uses the S7 object system for improved
performance and maintainability.

Anqi Fu

CVXR

Disciplined Convex Optimization

Balasubramanian Narasimhan

Steven Diamond

John Miller

Stephen Boyd

vec_to_upper_tri function

<dl><dt>expr</dt>
<dd>An Expression (vector).</dd>
<dt>strict</dt>
<dd>Logical. If TRUE, returns a strictly upper triangular matrix
(diagonal is zero). If FALSE, includes the diagonal. Default is FALSE.</dd></dl>

Arguments

Reshape a vector into an upper triangular matrix — vec_to_upper_tri

<dl>

<dt>expr</dt>
<dd>An Expression (vector).</dd>


<dt>strict</dt>
<dd>Logical. If TRUE, returns a strictly upper triangular matrix
(diagonal is zero). If FALSE, includes the diagonal. Default is FALSE.</dd>

</dl>

vec_to_upper_tri: Reshape a vector into an upper triangular matrix

Description

Usage

Value

Arguments