deqE:=diff(E(t),t)=-k1*E(t)*S(t)+(km1+k2)*C(t)-km2*E(t)*P(t);

NiM+SSVkZXFFRzYiLy1JJWRpZmZHSSpwcm90ZWN0ZWRHRik2JC1JIkVHRiU2I0kidEdGJUYuLCgqKEkjazFHRiUiIiJGK0YyLUkiU0dGJUYtRjIhIiIqJiwmSSRrbTFHRiVGMkkjazJHRiVGMkYyLUkiQ0dGJUYtRjJGMiooSSRrbTJHRiVGMkYrRjItSSJQR0YlRi1GMkY1

deqS:=diff(S(t),t)=-k1*E(t)*S(t)+km1*C(t);

NiM+SSVkZXFTRzYiLy1JJWRpZmZHSSpwcm90ZWN0ZWRHRik2JC1JIlNHRiU2I0kidEdGJUYuLCYqKEkjazFHRiUiIiItSSJFR0YlRi1GMkYrRjIhIiIqJkkka20xR0YlRjItSSJDR0YlRi1GMkYy

deqC:=diff(C(t),t)=k1*E(t)*S(t)-(km1+k2)*C(t)+km2*E(t)*P(t);

NiM+SSVkZXFDRzYiLy1JJWRpZmZHSSpwcm90ZWN0ZWRHRik2JC1JIkNHRiU2I0kidEdGJUYuLCgqKEkjazFHRiUiIiItSSJFR0YlRi1GMi1JIlNHRiVGLUYyRjIqJiwmSSRrbTFHRiVGMkkjazJHRiVGMkYyRitGMiEiIiooSSRrbTJHRiVGMkYzRjItSSJQR0YlRi1GMkYy

deqP:=diff(P(t),t)=k2*C(t)-km2*E(t)*P(t);

NiM+SSVkZXFQRzYiLy1JJWRpZmZHSSpwcm90ZWN0ZWRHRik2JC1JIlBHRiU2I0kidEdGJUYuLCYqJkkjazJHRiUiIiItSSJDR0YlRi1GMkYyKihJJGttMkdGJUYyLUkiRUdGJUYtRjJGK0YyISIi

set1:={deqE,deqS,deqC,deqP}:consts1:={k1=0.1,k2=0.1,km1=0.005,km2=0.1};

NiM+SShjb25zdHMxRzYiPCYvSSNrMUdGJSQiIiIhIiIvSSNrMkdGJUYpL0kka20xR0YlJCIiJiEiJC9JJGttMkdGJUYp

bound1:={E(0)=1,S(0)=10,C(0)=0,P(0)=0};

NiM+SSdib3VuZDFHNiI8Ji8tSSJFR0YlNiMiIiEiIiIvLUkiU0dGJUYqIiM1Ly1JIkNHRiVGKkYrLy1JIlBHRiVGKkYr

set1c:=subs(consts1,set1);

NiM+SSZzZXQxY0c2IjwmLy1JJWRpZmZHSSpwcm90ZWN0ZWRHRio2JC1JIkVHRiU2I0kidEdGJUYvLCgqJkYsIiIiLUkiU0dGJUYuRjIkISIiRjYtSSJDR0YlRi4kIiQwIiEiJComRixGMi1JIlBHRiVGLkYyRjUvLUYpNiRGM0YvLCZGMUY1RjckIiImRjsvLUYpNiRGN0YvLChGMSRGMkY2RjckISQwIkY7RjxGSS8tRik2JEY9Ri8sJkY3RklGPEY1

vars:={E(t),C(t),S(t),P(t)};

NiM+SSV2YXJzRzYiPCYtSSJFR0YlNiNJInRHRiUtSSJTR0YlRiktSSJDR0YlRiktSSJQR0YlRik=

sol:=dsolve(set1c union bound1,vars,numeric);

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

sol(0);

NiM3Jy9JInRHNiIkIiIhRigvLUkiQ0dGJjYjRiVGJy8tSSJFR0YmRiwkIiIiRigvLUkiUEdGJkYsRicvLUkiU0dGJkYsJCIjNUYo

sol(1);

NiM3Jy9JInRHNiIkIiIiIiIhLy1JIkNHRiY2I0YlJCIzPSpReSNvUCM9I2YhIz0vLUkiRUdGJkYtJCIzTzs7c0ppPHlTRjAvLUkiUEdGJkYtJCIzU3haKVJgIWVYTSEjPi8tSSJTR0YmRi0kIjNlO0IkeSI9T3QkKiEjPA==

with(plots):

Warning, the name changecoords has been redefined

odeplot(sol,[[t,E(t)],[t,C(t)],[t,S(t)],[t,P(t)]],0..30,thickness=3);

-%%PLOTG6&-%'CURVESG6'X,I)anythingGI*protectedGF*6"F+[gl'!%"!!#_q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gl'!%"!!#_q"S"#000000000000000000000000000000003FE397829CBC14E93FDBF537377515F03FF397829CBC14F23FE5000C61A5CA3D3FFD6343EB1A1F543FE8A18047457908400397829CBC14F23FEA8959D6A2BFD340087D6343EB1A233FEB8B6BCD86CC0E400D6343EB1A1F543FEC1480BDC1C548401124924924924E3FEC5D7A4D927F13401397829CBC14E73FEC845EEF38334940160A72F053978A3FEC991CC9584EF940187D6343EB1A233FECA42D689A1E21401AF05397829CBC3FECAA14D6DBFA69401D6343EB1A1F5F3FECAD3B5761A646401FD6343EB1A1F83FECAEE9B8C2A13C402124924924924E3FECAFCF66AB8A3E40225E0A72F0539A3FECB049FA62FF7B402397829CBC14E73FECB08B643141F54024D0FAC687D6283FECB0AE47EBE7B140260A72F053977F3FECB0C0E8C15DEA402743EB1A1F58D73FECB0CADC412E2440287D6343EB1A2E3FECB0D024CDE0394029B6DB6DB6DB863FECB0D2FD9F732F402AF05397829CA53FECB0D47BB5D14B402C29CBC14E5DFD3FECB0D54B8BF085402D6343EB1A1F543FECB0D5B9A24011402E9CBC14E5E0AC3FECB0D5F02CC282402FD6343EB1A2033FECB0D61165D325403087D6343EB1AD3FECB0D6223E9A2840312492492492593FECB0D627FBA2C54031C14E5E0A72E93FECB0D62B6C403E40325E0A72F053953FECB0D62E44447A4032FAC687D634403FECB0D62F86C14D403397829CBC14EC3FECB0D62F3A8DA24034343EB1A1F5983FECB0D62E2936DE4034D0FAC687D6443FECB0D62A5DEA9040356DB6DB6DB6D33FECB0D6254AD14840360A72F053977F3FECB0D621232A1F4036A72F0539782B3FECB0D61F398E88403743EB1A1F58D73FECB0D61FFFF24B4037E0A72F0539833FECB0D62307A37740387D6343EB1A2E3FECB0D627014A7740391A1F58D0FABE3FECB0D62CB435824039B6DB6DB6DB6A3FECB0D6397D1095403A5397829CBC153FECB0D64681842D403AF05397829CC13FECB0D64E7EF441403B8D0FAC687D6D3FECB0D64F0F0E9A403C29CBC14E5E193FECB0D648A7CAD0403CC687D6343EA83FECB0D63E9B6A48403D6343EB1A1F543FECB0D6306CBBF2403E0000000000003FECB0D60F3DDDD1X,F)F+F+[gl'!%"!!#_q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gl'!%"!!#_q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tF+Q+E,~C,~S,~PF+-%%FONTG6$%*HELVETICAGF4-%*THICKNESSG6#""$

odeplot(sol,[E(t),C(t)],0..300,thickness=3);

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

odeplot(sol,[[P(t)*30,C(t)],[t,C(t)]],0..30);

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