Solve this equivalent system of equation by entering its coefficient and the RHS values in the Data Entry Table, then click on the "Calculate" button. That is, considering an equivalent system of equation: Therefore, we have to rearrange the system of equation in such a way that any equation with zero X1 coefficient appear among the last set of equations. The first entry of the first column is zero, while there is always at least one non-zero element therein. The matrix of the coefficient of the variables is: Numerical Example 1: Consider the following system of equations: That is, any equation with zero coefficients for X1 must appear at the end of Data Entry Table. Therefore, first enter the coefficient of all equations having non-zero X1 coefficient then enter all other equations. The requirement for GJ operations is that the first element in the coefficients-matrix must be non-zero.
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The unknown variable names are X1, X2, X3.and X10, depending on if you have one equation, two equations, or three equations with one unknown, two unknown, or three unknown variables, respectively.In entering your data to move from cell to cell in the data-matrix use the Tab key not arrow or enter keys.