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OMOctave.m
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OMOctave.m
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% PR-DC OpenModelica Octave Interface
% Author: Milos Petrasinovic <mpetrasinovic@prdc.rs>
% PR-DC, Republic of Serbia
% info@pr-dc.com
%
% --------------------
%
% OMOctave - the OpenModelica Octave API is a free, open source,
% highly portable Octave-based interactive session handler for Modelica
% scripting. It provides the modeler with components for creating a complete
% Modelica modeling, compilation and simulation environment based on the latest
% OpenModelica library standard available. OMOctave is architectured to combine
% both the solving strategy and model building. So domain experts (people
% writing the models) and computational engineers (people writing the solver
% code) can work on one unified tool that is industrially viable for
% optimization of Modelica models, while offering a flexible platform for
% algorithm development and research. OMOctave is not a standalone package,
% it depends upon the OpenModelica installation.
% OMOctave is implemented in Octave and depends on ZeroMQ - high performance
% asynchronous messaging library via Octave Forge zeromq package and it
% supports the Modelica Standard Library version 3.2 that is included in
% starting with OpenModelica 1.9.2.
%
% To install OMOctave follow the instructions at
% https://github.com/PR-DC/OMOctave
%
% --------------------
%
% Copyright (C) 2021 PR-DC <info@pr-dc.com>
%
% This program is free software: you can redistribute it and/or modify
% it under the terms of the GNU Lesser General Public License as
% published by the Free Software Foundation, either version 3 of the
% License, or (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU Lesser General Public License for more details.
%
% You should have received a copy of the GNU Lesser General Public License
% along with this program. If not, see <https://www.gnu.org/licenses/>.
%
% --------------------
%
% This file is based on OMMatlab.m that is part of OpenModelica.
% Copyright (c) 1998-CurrentYear, Open Source Modelica Consortium (OSMC),
% c/o Linkopings universitet, Department of Computer and Information Science,
% SE-58183 Linkoping, Sweden.
%
% All rights reserved.
%
% THIS PROGRAM IS PROVIDED UNDER THE TERMS OF THE BSD NEW LICENSE OR THE
% GPL VERSION 3 LICENSE OR THE OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.2.
% ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES
% RECIPIENT'S ACCEPTANCE OF THE OSMC PUBLIC LICENSE OR THE GPL VERSION 3,
% ACCORDING TO RECIPIENTS CHOICE.
%
% The OpenModelica software and the OSMC (Open Source Modelica Consortium)
% Public License (OSMC-PL) are obtained from OSMC, either from the above
% address, from the URLs: http://www.openmodelica.org or
% http://www.ida.liu.se/projects/OpenModelica, and in the OpenModelica
% distribution. GNU version 3 is obtained from:
% http://www.gnu.org/copyleft/gpl.html. The
% New BSD License is obtained from:
% http://www.opensource.org/licenses/BSD-3-Clause.
%
% This program is distributed WITHOUT ANY WARRANTY; without even the implied
% warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, EXCEPT AS
% EXPRESSLY SET FORTH IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE
% CONDITIONS OF OSMC-PL.
classdef OMOctave < handle
properties (Access = public)
pid = 0
active
requester
portfile
filename
modelname
xmlfile
resultfile = ''
csvfile = ''
mattempdir = ''
simulationoptions = struct
quantitieslist = []
parameterlist = struct
continuouslist = struct
inputlist = struct
outputlist = struct
mappednames = struct
overridevariables = struct
simoptoverride = struct
inputflag = false
linearOptions = struct('startTime', '0.0', 'stopTime', '1.0', ...
'numberOfIntervals', '500', 'stepSize', '0.002', 'tolerance', '1e-6')
linearfile
linearFlag = false
linearmodelname
linearinputs
linearoutputs
linearstates
linearquantitylist
end
methods
function obj = OMOctave(omcpath)
obj.pkgForgeCheck('zeromq', '1.5.2')
% Prevent buffer output
more off
[~, randomstring] = fileparts(tempname);
if(ispc)
if nargin ~= 1
omhome = getenv('OPENMODELICAHOME');
omhomepath = strrep(fullfile(omhome, 'bin', 'omc.exe'), ...
'\', '/');
else
omhomepath = omcpath;
[omhome, ~] = fileparts(fileparts(omcpath));
end
% Add omhome to path environment variabel
path1 = getenv('PATH');
setenv('PATH', [path1 omhome]);
cmd = ['START /b "" "' omhomepath ...
'" --interactive=zmq +z=octave.' randomstring];
portfile = strcat('openmodelica.port.octave.', randomstring);
else
if(ismac && system("which omc") ~= 0)
if nargin ~= 1
omhome = '/opt/openmodelica/bin/omc';
else
omhome = omcpath;
end
cmd = [omhome ' --interactive=zmq -z=octave.' randomstring ' &'];
else
if(v)
omhome = 'omc';
else
omhome = omcpath;
end
cmd = [omhome ' --interactive=zmq -z=octave.' randomstring ' &'];
end
portfile = strcat('openmodelica.', getenv('USER'), ...
'.port.octave.', randomstring);
end
if(ispc)
[~, msg1] = system("tasklist");
pids1 = cell2mat(cell2mat(regexp(regexp(msg1, ...
'omc.exe[ ]+[0-9]+ Console', 'match'), '[0-9]+', 'match')));
end
system([cmd " >nul 2>nul"]);
if(ispc)
[~, msg2] = system("tasklist");
pids2 = cell2mat(cell2mat(regexp(regexp(msg2, ...
'omc.exe[ ]+[0-9]+ Console', 'match'), '[0-9]+', 'match')));
I = ismember(pids2, pids1);
obj.pid = pids2(find(~I));
end
obj.portfile = strrep(fullfile(tempdir, portfile), '\', '/');
while true
pause(0.01);
if(isfile(obj.portfile))
filedata = fileread(obj.portfile);
break;
end
end
try
obj.active = true;
obj.requester = zmq_socket(ZMQ_REQ);
zmq_connect(obj.requester, filedata);
catch
obj.active = false;
end
end
function reply = sendExpression(obj, expr, len)
if(obj.active)
if(nargin == 2)
len = 2^32;
end
zmq_send(obj.requester, expr, 0);
data = char(zmq_recv(obj.requester, len, 0));
% Parse replay and return in appropriate Octave
% structure if possible, otherwise return as normal strings
reply = obj.parseExpression(data);
else
error(["No connection with OMC. Create a new "...
"instance of OMOctave session"]);
reply = false;
end
end
function ModelicaSystem(obj, filename, modelname, libraries, ...
commandLineOptions)
if(nargin < 2)
error('Not enough arguments, filename and classname is required');
end
if(nargin == 1)
error([filename " does not exist"]);
end
% Check for commandLineOptions
if(nargin == 5)
exp = ["setCommandLineOptions(""" commandLineOptions """)"];
cmdExp = obj.sendExpression(exp);
if(iscell(cmdExp) && strcmp(cmdExp{1}, "false"))
disp(obj.sendExpression("getErrorString()"));
return;
end
end
filepath = strrep(filename, '\', '/');
loadfilemsg = obj.sendExpression(["loadFile( """ filepath """)"]);
if(iscell(loadfilemsg) && strcmp(loadfilemsg{1}, "false"))
disp(obj.sendExpression("getErrorString()"));
return;
end
% Check for libraries
if(nargin > 3)
for n = 1:length(libraries)
if(isfile(libraries{n}))
libmsg = obj.sendExpression(["loadFile( """ libraries{n} """)"]);
else
libmsg = obj.sendExpression(["[loadModel(" libraries{n} ")"]);
end
if(iscell(libmsg) && strcmp(libmsg{1}, "false"))
disp(obj.sendExpression("getErrorString()"));
return;
end
end
end
obj.filename = filename;
obj.modelname = modelname;
obj.mattempdir = strrep(tempname, '\', '/');
mkdir(obj.mattempdir);
obj.sendExpression(["cd(""" obj.mattempdir """)"]);
obj.BuildModelicaModel();
end
function BuildModelicaModel(obj)
buildModelResult = obj.sendExpression(["buildModel(" obj.modelname ")"]);
if(isempty(buildModelResult{1}))
disp(obj.sendExpression("getErrorString()"));
return;
end
xmlpath = fullfile(obj.mattempdir, char(buildModelResult(2)));
obj.xmlfile = strrep(xmlpath, '\', '/');
obj.xmlparse();
end
function workdir = getWorkDirectory(obj)
workdir = obj.mattempdir;
end
function xmlparse(obj)
if(isfile(obj.xmlfile))
xDoc = omxmlread(obj.xmlfile);
h = waitbar(0, 'Reading DefaultExperiment...', ...
'Name', 'OMOctave: xmlparse()');
% DefaultExperiment
allexperimentitems = ...
xDoc.getElementsByTagName('DefaultExperiment');
obj.simulationoptions.('startTime') = ...
char(allexperimentitems.getAttribute(1, 'startTime'));
obj.simulationoptions.('stopTime') = ...
char(allexperimentitems.getAttribute(1, 'stopTime'));
obj.simulationoptions.('stepSize') = ...
char(allexperimentitems.getAttribute(1, 'stepSize'));
obj.simulationoptions.('tolerance') = ...
char(allexperimentitems.getAttribute(1, 'tolerance'));
obj.simulationoptions.('solver') = ...
char(allexperimentitems.getAttribute(1, 'solver'));
% ScalarVariables
allvaritem = xDoc.getElementsByTagName('ScalarVariable');
N = allvaritem.getLength;
t = tic;
fields = {'name', 'isValueChangeable', 'description', ...
'variability', 'causality', 'alias', 'aliasVariable'};
for k = 1:N
if(k ==1 || ~mod(k, round(N/100)))
frac = k/N;
waitbar(frac, h, ['Reading ScalarVariables ' ...
num2str(frac*100, '%.0f') '% [' num2str(k) '/' ...
num2str(N) '] dt = ' num2str(toc(t), '%.1f') ' s...']);
t = tic;
end
scalar = struct();
item = allvaritem.item(k);
[~, s_idx] = ismember(fields, item.attribute_keys);
for i = 1:length(fields);
if(s_idx(i))
scalar.(fields{i}) = item.attributes(s_idx(i)).value;
else
scalar.(fields{i}) = [];
end
end
if(length(item.children))
sub = xDoc.item(item.children(1));
if(strcmp(sub.tag, 'Real'))
[~, s_idx] = ismember('start', sub.attribute_keys);
if(s_idx)
scalar.('value') = char(sub.attributes(s_idx).value);
else
scalar.('value') = '';
end
else
scalar.('value') = '';
end
end
% Check for variability parameter and add to parameter list
if(obj.linearFlag == false)
name = scalar.('name');
value = scalar.('value');
if(strcmp(scalar.('variability'), 'parameter'))
try
obj.parameterlist.(name) = value;
catch ME
createValidNames(obj, name, value, "parameter");
end
end
% Check for variability continuous and add to continuous list
if(strcmp(scalar.('variability'), 'continuous'))
try
obj.continuouslist.(name) = value;
catch ME
createValidNames(obj, name, value, "continuous");
end
end
% Check for causality input and add to input list
if(strcmp(scalar.('causality'), 'input'))
try
obj.inputlist.(name) = value;
catch ME
createValidNames(obj, name, value, "input");
end
end
% Check for causality output and add to output list
if(strcmp(scalar.('causality'), 'output'))
try
obj.outputlist.(name) = value;
catch ME
createValidNames(obj, name, value, "output");
end
end
end
if(obj.linearFlag == true)
if(scalar.('alias') == "alias")
name = scalar.('name');
if(name(2) == 'x')
obj.linearstates = [obj.linearstates, name(4:end-1)];
end
if(name(2) == 'u')
obj.linearinputs = [obj.linearinputs, name(4:end-1)];
end
if(name(2) == 'y')
obj.linearoutputs = [obj.linearoutputs, name(4:end-1)];
end
end
obj.linearquantitylist = [obj.linearquantitylist, scalar];
else
obj.quantitieslist = [obj.quantitieslist, scalar];
end
end
close(h);
else
error("xmlfile is not generated");
end
end
function result = getQuantities(obj, args)
if(nargin > 1)
tmpresult = [];
for n = 1:length(args)
for q = 1:length(obj.quantitieslist)
if(strcmp(obj.quantitieslist(q).name, args(n)))
tmpresult = [tmpresult; obj.quantitieslist(q)];
end
end
end
result = tmpresult;
else
result = obj.quantitieslist;
end
end
function result = getLinearQuantities(obj, args)
if(nargin > 1)
tmpresult = [];
for n = 1:length(args)
for q = 1:length(obj.linearquantitylist)
if(strcmp(obj.linearquantitylist(q).name, args(n)))
tmpresult = [tmpresult; obj.linearquantitylist(q)];
end
end
end
result = tmpresult;
else
result = obj.linearquantitylist;
end
end
function result = getParameters(obj, args)
if(nargin > 1)
if(iscell(args))
param = {};
for n = 1:length(args)
param{n} = obj.parameterlist.(args{n});
end
else
param = obj.parameterlist.(args);
end
result = param;
else
result = obj.parameterlist;
end
end
function result = getInputs(obj, args)
if(nargin > 1)
if(iscell(args))
inputs = {};
for n = 1:length(args)
inputs{n} = obj.inputlist.(args{n});
end
else
inputs = obj.inputlist.(args);
end
result = inputs;
else
result = obj.inputlist;
end
end
function result = getOutputs(obj, args)
if(nargin > 1)
if(iscell(args))
outputs = {};
for n = 1:length(args)
outputs{n} = obj.outputlist.(args{n});
end
else
outputs = obj.outputlist.(args);
end
result = outputs;
else
result = obj.outputlist;
end
end
function result = getContinuous(obj, args)
if(nargin > 1)
if(iscell(args))
continuous = {};
for n = 1:length(args)
continuous{n} = obj.continuouslist.(args{n});
end
else
continuous = obj.continuouslist.(args);
end
result = continuous;
else
result = obj.continuouslist;
end
end
function result = getSimulationOptions(obj, args)
if(nargin > 1)
if(iscell(args))
simoptions = {};
for n = 1:length(args)
simoptions{n} = obj.simulationoptions.(args{n});
end
else
simoptions = obj.simulationoptions.(args);
end
result = simoptions;
else
result = obj.simulationoptions;
end
end
function result = getLinearizationOptions(obj, args)
if(nargin > 1)
if(iscell(args))
linoptions = {};
for n = 1:length(args)
linoptions{n} = obj.linearOptions.(args{n});
end
else
linoptions = obj.linearOptions.(args);
end
result = linoptions;
else
result = obj.linearOptions;
end
end
% Set Methods
function setParameters(obj, args)
if(nargin > 1)
if(~iscell(args))
args = {args};
end
for n = 1:length(args)
val = strrep(args{n}, " ", "");
value = strsplit(val, "=");
if(isfield(obj.parameterlist, char(value{1})))
obj.parameterlist.(value{1}) = value{2};
obj.overridevariables.(value{1}) = value{2};
else
disp([value{1} " is not a parameter"]);
end
end
end
end
function setSimulationOptions(obj, args)
if(nargin > 1)
if(~iscell(args))
args = {args};
end
for n = 1:length(args)
val = strrep(args{n}, " ", "");
value = strsplit(val, "=");
if(isfield(obj.simulationoptions, char(value{1})))
obj.simulationoptions.(value{1}) = value{2};
obj.simoptoverride.(value{1}) = value{2};
else
disp([value{1} " is not a Simulation Option"]);
end
end
end
end
function setLinearizationOptions(obj, args)
if(nargin > 1)
if(~iscell(args))
args = {args};
end
for n = 1:length(args)
val = strrep(args{n}, " ", "");
value = strsplit(val, "=");
if(isfield(obj.linearOptions, char(value{1})))
obj.linearOptions.(value{1}) = value{2};
obj.linearOptions.(value{1}) = value{2};
else
disp([value{1} " is not a Linearization Option"]);
end
end
end
end
function setInputs(obj, args)
if(nargin > 1)
if(~iscell(args))
args = {args};
end
for n = 1:length(args)
val = strrep(args{n}, " ", "");
value = strsplit(val, "=");
if(isfield(obj.inputlist, char(value{1})))
obj.inputlist.(value{1}) = value{2};
obj.inputflag = true;
else
disp([value{1} " is not a Input"]);
end
end
end
end
function createcsvData(obj)
obj.csvfile = strrep(fullfile(obj.mattempdir, ...
[char(obj.modelname) '.csv']), '\', '/');
fileID = fopen(obj.csvfile, "w");
fprintf(fileID, ['time,' strjoin(fieldnames(obj.inputlist), ",") ...
',end\n']);
fields = fieldnames(obj.inputlist);
time = [];
count = 1;
tmpcsvdata = struct;
for i = 1:length(fieldnames(obj.inputlist))
var = obj.inputlist.(fields{i});
if(isempty(var))
var = "0";
end
s1 = eval(strrep(strrep(strrep(strrep(var, "[", "{"), ...
"]", "}"), "(", "{"), ")", "}"));
tmpcsvdata.(char(fields(i))) = s1;
if(length(s1) > 1)
for j = 1:length(s1)
t = s1(j);
time = [time, t{1}{1}];
count = count+1;
end
end
end
if(isempty(time))
time = [str2double(obj.simulationoptions.('startTime')), ...
str2double(obj.simulationoptions.('stopTime'))];
end
t1 = struct2cell(tmpcsvdata);
sortedtime = sort(time);
previousvalue = struct;
for t = 1:length(sortedtime)
fprintf(fileID, [num2str(sortedtime(t)) ',']);
listcount = 1;
for i = 1:length(t1)
tmp1 = t1{i};
if(iscell(tmp1))
found = false;
for k = 1:length(tmp1)
if(sortedtime(t) == tmp1{k}{1})
data = tmp1{k}{2};
fprintf(fileID, [num2str(data) ',']);
pfieldname = ["x" char(listcount)];
previousvalue.(pfieldname) = data;
tmp1(k) = [];
t1{i} = tmp1;
found = true;
break;
end
end
if(found == false)
tmpfieldname = ["x" char(listcount)];
data = previousvalue.(tmpfieldname);
fprintf(fileID, [num2str(data) ',']);
end
else
fprintf(fileID, [num2str(t1{i}) ',']);
end
listcount = listcount+1;
end
fprintf(fileID, [num2str(0) '\n']);
end
fclose(fileID);
end
function simulate(obj, resultfile, simflags)
if(nargin > 1)
if(~isempty(resultfile))
r = [' -r=' char(resultfile)];
obj.resultfile=strrep(fullfile(obj.mattempdir, ...
char(resultfile)), '\', '/');
else
r = '';
end
else
r = '';
obj.resultfile = strrep(fullfile(obj.mattempdir, ...
[char(obj.modelname) '_res.mat']), '\', '/');
end
if(nargin > 2)
simflags = [' ' char(simflags)];
else
simflags = '';
end
if(isfile(obj.xmlfile))
if(ispc)
getexefile = strrep(fullfile(obj.mattempdir, ...
[char(obj.modelname) '.exe']), '\', '/');
else
getexefile = strrep(fullfile(obj.mattempdir, ...
char(obj.modelname)), '\', '/');
end
curdir = pwd;
if(isfile(getexefile))
cd(obj.mattempdir);
if(~isempty(fieldnames(obj.overridevariables)) || ...
~isempty(fieldnames(obj.simoptoverride)))
names = [fieldnames(obj.overridevariables);...
fieldnames(obj.simoptoverride)];
tmpstruct = cell2struct([struct2cell( ...
obj.overridevariables); ...
struct2cell(obj.simoptoverride)], names, 1);
fields = fieldnames(tmpstruct);
tmpoverride1 = {};
for i = 1:length(fields)
if(isfield(obj.mappednames, fields{i}))
name = obj.mappednames.(fields{i});
else
name = fields{i};
end
tmpoverride1{i} = [name "=" tmpstruct.(fields{i})];
end
overridevar = [' -override=' char(strjoin(tmpoverride1, ','))];
else
overridevar = '';
end
if(obj.inputflag == true)
obj.createcsvData()
csvinput = [' -csvInput=' obj.csvfile];
else
csvinput = '';
end
finalsimulationexe = [getexefile, overridevar, csvinput, ...
r, simflags];
system(finalsimulationexe);
else
disp("Model cannot be Simulated: executable not found")
end
cd(curdir)
else
disp("Model cannot be Simulated: xmlfile not found")
end
end
function result = linearize(obj)
linres = obj.sendExpression(...
"setCommandLineOptions(""+generateSymbolicLinearization"")");
if(iscell(linres) && strcmp(linres{1}, "false"))
disp(["Linearization cannot be performed"...
obj.sendExpression("getErrorString()")]);
return;
end
fields = fieldnames(obj.overridevariables);
tmpoverride1 = {};
for i = 1:length(fields)
tmpoverride1{i} = [fields{i} "=" ...
obj.overridevariables.(fields{i})];
end
if(~isempty(tmpoverride1))
tmpoverride2 = [' -override=', char(strjoin(tmpoverride1, ','))];
else
tmpoverride2 = "";
end
linfields = fieldnames(obj.linearOptions);
tmpoverride1lin = {};
for i = 1:length(linfields)
tmpoverride1lin{i} = [linfields{i} "="...
obj.linearOptions.(linfields{i})];
end
overridelinear = char(strjoin(tmpoverride1lin, ','));
if(obj.inputflag == true)
obj.createcsvData()
csvinput = ['-csvInput=' obj.csvfile];
else
csvinput = "";
end
linexpr = strcat('linearize(', obj.modelname, ',', ...
overridelinear, ',', 'simflags=', '"', ...
csvinput, ' ', tmpoverride2, '")');
res = obj.sendExpression(linexpr);
obj.resultfile = res.("resultFile");
obj.linearmodelname = strcat('linear_', obj.modelname);
obj.linearfile = strrep(fullfile(obj.mattempdir, ...
[char(obj.linearmodelname) '.mo']), '\', '/');
if(isfile(obj.linearfile))
loadmsg = obj.sendExpression(["loadFile(""" obj.linearfile """)"]);
if(iscell(loadmsg) && strcmp(loadmsg{1}, "false"))
disp(obj.sendExpression("getErrorString()"));
return;
end
cNames = obj.sendExpression("getClassNames()");
buildmodelexpr = ["buildModel(" cNames{1} ")"];
buildModelmsg = obj.sendExpression(buildmodelexpr);
if(~isempty(buildModelmsg{1}))
obj.linearFlag = true;
obj.xmlfile = strrep(...
fullfile(obj.mattempdir, char(buildModelmsg(2))), '\', '/');
obj.linearquantitylist = [];
obj.linearinputs = "";
obj.linearoutputs = "";
obj.linearstates = "";
obj.xmlparse();
result = obj.getLinearMatrix();
else
disp(omc.sendExpression("getErrorString()"));
end
end
end
function result = getLinearMatrix(obj)
matrix_A = struct;
matrix_B = struct;
matrix_C = struct;
matrix_D = struct;
for i = 1:length(obj.linearquantitylist)
name = obj.linearquantitylist(i).("name");
value = obj.linearquantitylist(i).("value");
if(obj.linearquantitylist(i).("variability") == "parameter")
if(name(1) == 'A')
tmpname = matlab.lang.makeValidName(name);
matrix_A.(tmpname) = value;
end
if(name(1) == 'B')
tmpname = matlab.lang.makeValidName(name);
matrix_B.(tmpname) = value;
end
if(name(1) == 'C')
tmpname = matlab.lang.makeValidName(name);
matrix_C.(tmpname) = value;
end
if(name(1) == 'D')
tmpname = matlab.lang.makeValidName(name);
matrix_D.(tmpname) = value;
end
end
end
FullLinearMatrix = {};
tmpMatrix_A = getLinearMatrixValues(obj, matrix_A);
tmpMatrix_B = getLinearMatrixValues(obj, matrix_B);
tmpMatrix_C = getLinearMatrixValues(obj, matrix_C);
tmpMatrix_D = getLinearMatrixValues(obj, matrix_D);
FullLinearMatrix{1} = tmpMatrix_A;
FullLinearMatrix{2} = tmpMatrix_B;
FullLinearMatrix{3} = tmpMatrix_C;
FullLinearMatrix{4} = tmpMatrix_D;
result = FullLinearMatrix;
end
function result = getLinearMatrixValues(~, matrix_name)
if(~isempty(matrix_name))
fields = fieldnames(matrix_name);
t = fields{end};
rows = str2double(t(3));
columns = str2double(t(5));
tmpMatrix = zeros(rows, columns, 'double');
for i = 1:length(fields)
n = fields{i};
r = str2double(n(3));
c = str2double(n(5));
val = str2double(matrix_name.(fields{i}));
format shortG
tmpMatrix(r, c) = val;
end
result = tmpMatrix;
else
result = 0;
end
end
function result = getLinearInputs(obj)
if(obj.linearFlag == true)
result = obj.linearinputs;
else
disp("Model is not Linearized");
result = false;
end
end
function result = getLinearOutputs(obj)
if(obj.linearFlag == true)
result = obj.linearoutputs;
else
disp("Model is not Linearized");
result = false;
end
end
function result = getLinearStates(obj)
if(obj.linearFlag == true)
result = obj.linearstates;
else
disp("Model is not Linearized");
result = false;
end
end
function result = getSolutions(obj, args, resultfile)
if(nargin > 2)
resfile = char(resultfile);
else
resfile = obj.resultfile;
end
if(isfile(resfile))
if(nargin > 1 && ~isempty(args))
tmp1 = strjoin(cellstr(args), ',');
tmp2 = ['{', tmp1, '}'];
simresult = obj.sendExpression([ ...
"readSimulationResult(""" resfile """," tmp2 ")"]);
obj.sendExpression("closeSimulationResultFile()");
result = simresult;
else
tmp = obj.sendExpression(["readSimulationResultVars(""" ...
resfile """)"]);
obj.sendExpression("closeSimulationResultFile()");
result = tmp;
end
else
result = ["Result File does not exist! " char(resfile)];
disp(result);
end
end
function createValidNames(obj, name, value, structname)
% Function which creates valid field name as Octave
% does not allow der(h) to be a valid name, also map
% the changed names to mappednames struct, inorder to
% keep track of the original names as it is needed to query
% simulation results
tmpname = matlab.lang.makeValidName(name);
obj.mappednames.(tmpname) = name;
if(strcmp(structname, 'continuous'))
obj.continuouslist.(tmpname) = value;
end
if(strcmp(structname, 'parameter'))
obj.parameterlist.(tmpname) = value;
end
if(strcmp(structname, 'input'))
obj.inputlist.(tmpname) = value;
end
if(strcmp(structname, 'output'))
obj.outputlist.(tmpname) = value;
end
end
function result = parseExpression(obj, args)
final = regexp(args, '"(.*?)"|[{}()=]|[a-zA-Z0-9_.]+', 'match');
if(length(final) > 1)
if(strcmp(char(final{1}), "{") && ~strcmp(char(final{2}), "{"))
buff = {};
count = 1;
for i = 1:length(final)
if(~any(ismember(char(final{i}), {"{", "}", ")", "(", ","})))
value = strrep(final{i}, """", "");
buff{count} = value;
count = count+1;
end
end
result = buff;
elseif(strcmp(char(final{1}), "{") && strcmp(char(final{2}), "{"))
buff = {};
tmpcount = 1;
count = 1;
for i = 2:length(final)-1
if(strcmp(char(final{i}), "{"))
if(isnan(str2double(final{i+1})))
tmp = "";
else
tmp = [];
end
elseif(strcmp(char(final{i}), "}"))
buff{tmpcount} = tmp;
tmp = {};
count = 1;
tmpcount = tmpcount+1;
else
tmp{count} = char(final{i});
count = count+1;
end
end
result = buff;
elseif(strcmp(final{1}, "record"))
result = struct;
for i = 3:length(final)-2
if(strcmp(char(final{i}), "="))
value = strrep(final{i+1}, """", "");
result.(final{i-1}) = value;
end
end
elseif(strcmp(final{1}, "fail"))
result = obj.sendExpression("getErrorString()");
else
result = strrep(args, """", "");
end
elseif(length(final) == 1)
result = strrep(final, """", "");