1 | function J =objectivefunctionC(search_scalar,m,p_g,u_g_obs,grad_g,n);
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2 |
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3 | %recover some parameters
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4 | optscal=m.parameters.optscal(n);
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5 | fit=m.parameters.fit(n);
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6 | control_type=m.parameters.control_type;
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7 |
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8 | %Update along gradient using scalar supplied by fmincon optimization routine
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9 | parameter=p_g+search_scalar*optscal*grad_g;
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10 |
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11 | %Plug parameter into inputs
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12 | inputs=inputlist;
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13 | inputs=add(inputs,'velocity',m.parameters.u_g,'doublevec',3,m.parameters.numberofnodes);
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14 | inputs=add(inputs,m.parameters.control_type,parameter,'doublevec',2,m.parameters.numberofnodes);
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15 |
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16 | %Run diagnostic with updated parameters.
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17 | u_g=diagnostic_core_nonlinear(m,inputs);
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18 |
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19 | %Compute misfit for this velocity field.
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20 | inputs=add(inputs,'fit',m.parameters.fit(n),'double');
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21 | J=Misfit(m.elements,m.nodes,m.loads,m.materials,m.parameters, u_g, u_g_obs,inputs);
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