# trace of a matrix

## Calculus trace

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### Function : trace

#### Summary :

The matrix calculator calculates online the trace of a matrix. The trace of a square matrix is ​​equal to the sum of the terms of its diagonal.

Trace online

#### Description :

The calculator provides a way to calculate online the trace of a square matrix. The trace of a square matrix is ​​equal to the sum of the terms of its diagonal. The matrix calculator can calculate the trace with letters or numbers.

# Calculation of the trace of a square matrix

The calculator calculates the trace of a matrix with the results in exact form : to calculate the trace of the following matrix ((3,3,4),(1,2,0),(0,1,7)), enter trace([[3;1;0];[3;2;1];[4;0;7]]), at the end of the calculations, the response is returned.

The calculator allows symbolic calculations, it is possible to use letters: to calculate the trace of a matrix like this : ((a,3*a,4),(1,2*a,0),(0,c,a/2)), type trace([[a;1;0];[3a;2a;c];[4;0;a/2]]), after calculation, the result is returned.

The matrix calculator calculates online the trace of a matrix. The trace of a square matrix is ​​equal to the sum of the terms of its diagonal.

trace(matrix)

#### Examples :

trace([[3;1;0];[3;2;1];[4;1;7]]), returns 12

Calculate online with trace (trace of a matrix)