f(document.getElementById(name + "_matrix_col1") == null)
        return;
    
    var eq1 = eval(name + "_eq_1");
    var eq2 = eval(name + "_eq_2");    
    document.getElementById(name + "_matrix_col1").innerHTML = 
        printable(eq1[0]) + "<br>" + printable(eq2[0]);
    document.getElementById(name + "_matrix_col2").innerHTML = 
        printable(eq1[1]) + "<br>" + printable(eq2[1]);
    document.getElementById(name + "_matrix_col3").innerHTML = 
        printable(eq1[2]) + "<br>" + printable(eq2[2]