Explicit: + fast: known expression for solution at next time level { stability restrictions on t. Implicit: + less restrictive conditions on t { must solve equation to update solution
i have found out that it is called a solver !:)
SOLVER is a large problem answer provider, it does not answer trivial questions however, in fact no one to date has submitted a question important or large enough to awaken the SOLVER.
In Excel, the Solver add-in can be found under the "Data" tab on the Ribbon. Once you've enabled it, look for the "Solver" button in the "Analyze" group. If Solver is not visible, you may need to enable it by going to "File" > "Options" > "Add-ins," selecting "Solver Add-in," and clicking "Go" to check the box before clicking "OK."
In Microsoft Excel, the Solver add-in is located under the "Data" tab on the ribbon. Once the add-in is enabled, you can find the Solver tool in the "Analysis" group. If you don't see it, you may need to install and enable the Solver add-in through Excel's Options.
John W. Ruge has written: 'A nonlinear multigrid solver for an atmospheric general circulation model based on semi-implicit semi-Lagrangian advection of potential vorticity' -- subject(s): Atmospheric general circulation models, Lagrangian function, Vorticity
Solver can solve problems by enabling a target cell to achieve some goal. This goal may be to minimse, maximise, or achieve some target value. It solves the problem by adjusting a number of input cells according to a set of criteria or constraints which are defined by the user.Goal Seek is a simpler and more limited facility, which enables you to get a value for a target cell by adjusting just a single cell and does not allow you to have criteria or constraints.
To calculate implied volatility using Solver, you need an options pricing model (such as Black-Scholes) and market data (including the option price, strike price, underlying asset price, risk-free rate, time to expiration, and any dividends). Build the pricing model in a spreadsheet, input the market data, and set the initial volatility value in Solver. Set the objective to match the calculated option price with the market price by changing the volatility cell. Run Solver to find the implied volatility that minimizes the difference between the calculated and market option prices.
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The Solver tool is located on the "Data" tab of the ribbon in Microsoft Excel. It is typically found in the "Analysis" group. To access Solver, you may need to enable it through Excel's Add-ins if it is not visible.
To solve complex logical arguments using a natural deduction logic proof solver, you can input the premises and the conclusion of the argument into the solver. The solver will then guide you through a series of logical steps to derive the conclusion from the premises using rules of inference and logical equivalences. By following the steps provided by the solver, you can systematically analyze and prove the validity of the argument.