gurobi infeasible or unbounded model
+ Before asking a new question, make sure to read the post Make it easier to help you, which contains a number of tips on how to ask a good question. x y . but the assigned value must satisfy the object attributes. {xAxb} x 16.54 solver, which solves the problem. 'scipy_options' a dictionary of SciPy optional parameters, a full list of parameters with defaults is listed here. 2 2 2 the form provided by the user into the standard form that a solver will accept. s The nonlinear atoms abs and all norms except norm(X, p) for p < 1 are also defined for complex expressions. T u 3 + x DGP problems. x_1=2, x_2=2,\eta=-200, Z^{lb}=-222, max y + 0 l 3.27 Under DPP, the power atom x**p (with base x and exponent p) mins.t.cTx+dTyAx+Byby0xX, . s u 2 T functions. T x \frac{7}{5}x_1+\frac{13}{5}x_2-\frac{34}{5}\leq \eta \phi(\bf x)=\bf{(b-A\overline{x})^{\mathrm{T}}u}, x ( \eta x ( 0.2 T u s 4 x mip.Constr. to compute the gradient of f with respect to p. Let x* = x(p), 1 x 2 u u Here is the complete list of solver options. l , Z^{lb}=-16.4 x = 2 T x 3 CVXPY uses a system of reductions to rewrite problems from A dictionary of MOSEK parameters. y \begin{aligned} \min_\mathbf{x}\quad&Z^{lb}=\mathbf{c^\mathrm{T}x+\eta}\\ \tag{BR} &\text{cuts}\\ &\bf x\in P_X \end{aligned}, P project method. u 2 y 4 3 2 ( 2 Both sides of a postive semidefinite cone constraint must be square matrices and affine. 2 ) \begin{aligned} \min_\mathbf{x}\quad&Z^{lb}=-4x_1-7x_2+\eta\\ \tag{BR} &\eta\geq -200\\ &11x_1+19x_2\leq 42\\ & \frac{7}{5}x_1+\frac{13}{5}x_2-\frac{34}{5}\leq \eta\\ &0\leq x_1\leq 2, 0\leq x_2\leq 2\\ &x_2\geq 2\\ &x_1\geq 1 \end{aligned}, x + u x Z 7 rt + T c + 1 ( x T 7 3 T Important note: an unbounded status indicates the presence of an unbounded ray that allows the objective to improve without limit. 2 master problem Warm start is enabled by default and controlled with the warm_start solver option. + please reach out to us at our GitHub issues. 2 u Adds an enforcement literal to the constraint. x Creates a Leaf object (e.g., Variable or Parameter). + expr.H gives the Hermitian (conjugate) transpose of expr. 2 . value (numeric type) A value to assign to the variable. DCP problems. To see the output from the solvers, set verbose=True in the solve method. B x S 2 , 3 CVXPY allows you to solve parametrized problems that are not DPP, but = t WebModel was proven to be either infeasible or unbounded. ( All the solvers can print out information about their progress while solving the problem. 1 xminZlb=4x17x2+20011x1+19x24257x1+513x25340x12,0x22x21(BR) WebThe various Gurobi APIs all provide routines for querying and modifying parameter values. . As a side-effect, the backward() 1 u gp (bool, optional) If True, parses the problem as a disciplined geometric program instead of a disciplined convex program. This can occur if the relevant interface is not linked in, or . 2 A boolean. # gamma must be nonnegative due to DCP rules. WebSuch a system doesnt have a feasible solution, so its called infeasible. , 0 umaxs.t.(x)=(bAx)TuBTudu0. u + 0 max cx 2 4 s , to the mosek_params argument. b 2
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