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#Excel system of equations solver how to

The argument is an array of cells with elements of the original matrix. In the category "Math and Trig" we find the MINVERS function. Select the range B6:E9 where the matrix elements will later be placed (we are guided by the number of rows and columns in the original matrix). We enter the values of the elements in Excel cells in the form of a table.

#Excel system of equations solver how to

How to solve the system of equations by using the matrix method in Excel? Set a checkmark in the box to enable iterative calculations. Set the maximum number of iterations and the relative error on the "Formulas" tab. You need to enter the Excel parameters to change the number of iterations and the error. The program uses a cyclic process to find a parameter.

After clicking OK, the result of the selection is displayed.

The selected parameter should be displayed here. In the box "Set cell" is a reference to cell B2 where the formula is located.

Open the menu of the "Goal Seek" tool.

We apply a reference to cell B1 as an argument.

We enter into the cell B2 a formula for finding the value of the function.

The order of finding the root with Excel:

Let’s consider, for example, the solution of the quadratic equation x 2 + 3x + 2 = 0. The path to the command: «DATA» - «Data Tools» - «What-if-Analysis» - «Goal Seek». Excel picks up the values until the computation yields the desired total. The tool "Goal Seek" is used in a situation when the result is known but arguments are unknown.

Solving equations by trial and error method in Excel