Example: Function call: var_nd_dev_g(0.65, matrix_7,matrix_11_s). Parameter = 0.65 and matrix_7:

 

 

matrix_11_s:

 

 

at point_1:

 

 

MATLAB code (.\Aorda\PSG\MATLAB\Examples\Func_value_var_nd_dev_g.m) for function calculation:

 

%Define data:

H1 = [1 4 8 3];

header_1 = {'x1', 'x2', 'x3', 'x4'};

c1 = -2;

H2 = [8.93784 -0.25271 -1.27649 -0.77983;-0.25271 9.64713 -1.60709 -0.15443;-1.27649 -1.60709 4.91926 -2.73949;-0.77983 -0.15443 -2.73949 7.44517;-0.3662 3.7164 -0.4274 -0.39033];

header_2 = {'x1', 'x2', 'x3', 'x4'};

c2 = [-0.3662;3.7164;-0.4274;-0.39033;9.26];

a = [1;1;1;1];

alpha = 0.65;

 

%=======================================================================

%Calculation of function with PSG Subroutine 'functionvalue'

%Calculate var_nd_dev_g function with parameter 0.65 at point 'a':

val1 = functionvalue('var_nd_dev_g', alpha, {H1 ,H2}, {c1 ,c2}, {[] ,[]}, a);

%Display function value:

disp(sprintf('functionvalue = %g', val1));

%=======================================================================

%Calculation of function with PSG Subroutine 'tbpsg_function_value'

%Create the PSG matrix 'matrix_1'(structure containing header and matrix body) and pack it to structure 'toolboxstruc_arr':

toolboxstruc_arr(1) = tbpsg_matrix_pack('matrix_1', H1, [],  c1, []);

%Create the PSG matrix 'matrix_2'(structure containing header and matrix body) and pack it to structure 'toolboxstruc_arr':

toolboxstruc_arr(2) = tbpsg_matrix_pack('matrix_2', H2, [],  c2, []);

%Create the PSG point 'point_1'(structure containing header and matrix body) and pack it to structure 'toolboxstruc_arr':

toolboxstruc_arr(3) = tbpsg_point_pack('point_1', a, []);

%Create the PSG parameter 'parameter_alpha' and pack it to structure 'toolboxstruc_arr':

toolboxstruc_arr(4) = tbpsg_parameter_pack('parameter_alpha', alpha);

%Calculate var_nd_dev_g function with parameter 0.65 at point 'point_1':

val2 = tbpsg_function_value('var_nd_dev_g(parameter_alpha,matrix_1,matrix_2)','point_1',toolboxstruc_arr);

%Display function value:

disp(sprintf('tbpsg_function_value = %g', val2));

%=======================================================================

%Creation of User Subroutine for calculating function value

%User subroutine is similar to the 'functionvalue'

%Create problem statement:

problem_statement = sprintf('%s\n',...

'calculate',...

'Point: point_1',...

'  var_nd_dev_g(parameter_alpha,matrix_1,matrix_2)',...

' ');

%Create Subroutine:

tbpsg_create_user_subroutine(problem_statement,toolboxstruc_arr,'.\','calculate_var_nd_dev_g');

%Uncomment section to call the user subroutine 'calculate_var_nd_dev_g':

%{

%Calculation of function with User Subroutine 'calculate_var_nd_dev_g':

[solution_str,outargstruc_arr] = calculate_var_nd_dev_g(H1,matrix_1_vars,c1,H2,matrix_2_vars,c2,a,point_1_vars,alpha);

%Extract function value from the solution report:

val = tbpsg_function_data(solution_str, outargstruc_arr);

%}

 

 

Program output:

 

functionvalue = 1.78767

tbpsg_function_value = 1.78767