#
# This file is automatically generated with 
# the System Biology Format Converter (http://sbfc.sourceforge.net/)
# from an SBML file.
#
# The conversion system has the following limitations:
#  - You may have to re order some reactions and Assignment Rules definition
#  - Delays are not taken into account
#  - You should change the lsode parameters (start, end, steps) to get better results
#

#
# The following line is there to be sure that Octave think that this file 
# is a script and not function file
#
1;

#
# Model name = Goldbeter1990_CalciumSpike_CICR
#
# is urn:miriam:biomodels.db:BIOMD0000000098
# is urn:miriam:biomodels.db:MODEL4519937652
# isDescribedBy urn:miriam:pubmed:2304911
#
function z=pow(x,y),z=x^y;endfunction
function z=root(x,y),z=y^(1/x);endfunction
function z = piecewise(varargin)
	numArgs = nargin;
	result = 0;
	foundResult = 0;
	for k=1:2: numArgs-1
		if varargin{k+1} == 1
			result = varargin{k};
			foundResult = 1;
			break;
		endif
	end
	if foundResult == 0
		result = varargin{numArgs};
	endif
z = result;
endfunction

function xdot=f(x,t)
# Compartment: id = cytosol, name = cytosol, constant
	compartment_cytosol=1.0;
# Compartment: id = store, name = store, constant
	compartment_store=1.0;
# Parameter:   id =  v0, name = v0
	global_par_v0=1.0;
# Parameter:   id =  v1, name = v1
	global_par_v1=7.3;
# Parameter:   id =  beta, name = beta
	global_par_beta=0.301;
# Parameter:   id =  Vm2, name = Vm2
	global_par_Vm2=65.0;
# Parameter:   id =  n, name = n
	global_par_n=2.0;
# Parameter:   id =  K2, name = K2
	global_par_K2=1.0;
# Parameter:   id =  Vm3, name = Vm3
	global_par_Vm3=500.0;
# Parameter:   id =  m, name = m
	global_par_m=2.0;
# Parameter:   id =  Kr, name = Kr
	global_par_Kr=2.0;
# Parameter:   id =  Ka, name = Ka
	global_par_Ka=0.9;
# Parameter:   id =  kf, name = kf
	global_par_kf=1.0;
# Parameter:   id =  k, name = k
	global_par_k=10.0;
# Parameter:   id =  p, name = p
	global_par_p=4.0;
# Reaction: id = R0, name = Ca influx


	reaction_R0=compartment_cytosol*global_par_v0;
# Reaction: id = R1, name = InsP3 dependent Ca influx


	reaction_R1=compartment_cytosol*global_par_v1*global_par_beta;
# Reaction: id = R2, name = ATP driven Ca pumping into store


	reaction_R2=compartment_cytosol*global_par_Vm2*x(1)^(global_par_n)/(global_par_K2^(global_par_n)+x(1)^(global_par_n));
# Reaction: id = R3, name = ATP driven pumping into cytosol


	reaction_R3=compartment_store*global_par_Vm3*x(2)^(global_par_m)*x(1)^(global_par_p)/((global_par_Kr^(global_par_m)+x(2)^(global_par_m))*(global_par_Ka^(global_par_p)+x(1)^(global_par_p)));
# Reaction: id = Rf, name = Ca leak


	reaction_Rf=compartment_store*global_par_kf*x(2);
# Reaction: id = R_eff, name = Ca efflux


	reaction_R_eff=compartment_cytosol*global_par_k*x(1);
	xdot=zeros(2,1);
	# Species:   id = Z, name = Z, affected by kineticLaw

	xdot(1) = (1/(compartment_cytosol))*(( 1.0 * reaction_R0) + ( 1.0 * reaction_R1) + (-1.0 * reaction_R2) + ( 1.0 * reaction_R3) + ( 1.0 * reaction_Rf) + (-1.0 * reaction_R_eff));

	# Species:   id = Y, name = Y, affected by kineticLaw

	xdot(2) = (1/(compartment_store))*(( 1.0 * reaction_R2) + (-1.0 * reaction_R3) + (-1.0 * reaction_Rf));

endfunction

#Initial conditions vector
x0=zeros(2,1);
x0(1) = 0.15;
x0(2) = 1.6;


#Creating linespace
t=linspace(0,90,100);

#Solving equations
x=lsode("f",x0,t);

#ploting the results
plot(t,x);