Make Better Decisions Under Uncertainty
Compare our products for dealing with uncertainty
If you're modeling a risk analysis problem that can be solved with Monte Carlo simulation, our Risk Solver
product is a great choice. It costs the same or less and
gives you more than competitors like Crystal Ball and @RISK
Standard -- see how it compares to these products in a
recent independent review. But unlike its competitors, Risk
Solver can be upgraded to gain full-power
optimization capabilities, from linear programming to stochastic
optimization.
Risk Solver Premium deeply integrates
Risk Solver
and Premium Solver -- giving you complete optimization capabilities, upward
compatible from the Microsoft Excel Solver.
Risk Solver
Platform, a powerful superset of Risk Solver Premium, deeply
integrates Risk Solver and Premium Solver Platform -- and uses PSI
Technology to automatically
diagnose your model, automatically determine
which solution methods can be applied, automatically
select transformations for non-smooth models and
stochastic linear programming models, and automatically
choose the best Solver engine to solve the model. The table below compares the capacity, speed, features and price of the
Risk Solver products.
| |
Risk Solver |
Risk Solver Premium |
Risk Solver Platform |
FEATURES AND PERFORMANCE |
Simulation |
Simulation |
Optimization &
Simulation |
Psi Technology: |
|
|
|
Find linear, nonlinear, nonsmooth formulas |
|
|
Yes |
Determine whether model is convex |
|
|
Yes |
"Linearize" IF, MIN, MAX, ABS, logical formulas |
|
|
Yes |
Determine how objective and constraints depend on uncertainty |
|
|
Yes |
Create stochastic programming deterministic equivalent |
|
|
Yes |
Create robust counterpart for stochastic LP models |
|
|
Yes |
| |
|
|
|
Built-in Engines: |
|
|
|
Simplex Linear Solver |
|
LP Only |
LP/Quadratic |
GRG Nonlinear Solver |
|
Yes |
Yes (faster) |
Mixed-Integer Solver |
|
Yes (fast) |
Yes (faster) |
Evolutionary Solver |
|
Yes |
Yes (faster) |
Interval Global Solver |
|
|
Yes |
SOCP Barrier Solver |
|
|
Yes |
Field-Installable Solver Engines |
|
|
Yes |
| |
|
|
|
Optimization Problem Size: |
|
|
|
Linear Variables x Constraints |
|
2000 x 1000 |
8000 x 8000 |
Nonlinear Variables x Constraints |
|
400 x 200 |
500 x 250 |
Non-Smooth Variables x Constraints |
|
400 x 200 |
500 x 250 |
Integer Constraints on Variables |
|
1000 |
2000 |
Solver Engine Variables x Constraints |
|
|
Unlim x Unlim |
| |
|
|
|
Speed (approximate): |
|
|
|
Problem Setup |
|
1-50X |
2-100X |
Linear Problems |
|
3X |
20X |
Nonlinear Problems |
|
1X |
7-15X |
Mixed-Integer Problems |
|
10-20X |
10-200X |
Non-Smooth Problems |
|
1-10X |
1-10X |
Solver Engines (On Various Problems) |
|
|
10-1000X |
| |
|
|
|
Variables and Constraints: |
|
|
|
Normal Decision Variables |
|
Yes |
Yes |
Recourse Decision Variables |
|
|
Yes |
Normal, Integer, and Binary Constraints |
|
Yes |
Yes |
Semi-continuous Constraints |
|
Yes |
Yes |
All-different Constraints |
|
Yes |
Yes |
Second Order Cone Constraints |
|
|
Yes |
Chance Constraints (VaR, CVaR, USet) |
|
|
Yes |
| |
|
|
|
Global Optimization: |
|
|
|
Non-Smooth Problems (Evolutionary) |
|
Yes |
Yes |
Nonlinear Problems (Multistart) |
|
Yes |
Yes |
Nonlinear Problems (Interval Global) |
|
|
Yes |
Solver Engines (Several Approaches) |
|
|
Yes |
| |
|
|
|
Constraint Programming and Conic Optimization: |
|
|
|
Built-In Engines (alldifferent constraints) |
|
Yes |
Yes |
Built-In Engines (second order cone constraints) |
|
|
Yes |
Solver Engines (alldifferent and cone constraints) |
|
|
Yes |
| |
|
|
|
Simulation Optimization: |
|
|
|
Built-in chance constraints and risk measure objectives |
|
|
Yes |
Solver Engines for Simulation Optimization |
|
|
Yes |
| |
|
|
|
Advanced Stochastic Optimization: |
|
|
|
Solve stochastic programming deterministic equivalent model |
|
|
Yes |
Solve robust counterpart model for stochastic LP problems |
|
|
Yes |
Automatically adjust chance constraints in robust optimization |
|
|
Yes |
| |
|
|
|
Solver Reports: |
|
|
|
Simulation Report |
Yes |
Yes |
Yes |
Answer Report |
Yes |
Yes |
Yes |
Sensitivity Report |
|
Yes |
Yes |
Limits Report |
|
Yes |
Yes |
Linearity Report |
|
Yes |
Yes |
Feasibility Report |
|
Yes |
Yes |
Population Report |
|
Yes |
Yes |
Report Outlining |
|
Yes |
Yes |
Block Selection and Comments |
|
Yes |
Yes |
Solutions Report |
|
|
Yes |
Scaling Report |
|
|
Yes |
Structure/Convexity Report |
|
|
Yes |
Transformation Report |
|
|
Yes |
Uncertainty Report |
|
|
Yes |
Solver Engine Custom Reports |
|
|
Yes |
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