File: ext11c.c

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scilab 2.6-4
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/* Copyright INRIA */

#include "../../routines/stack-c.h"

/****************************************
 *     exemple with a call to ReadMatrix
 *     -->param=[0.04,10000,3d+7]; 
 *     -->link('ext11c.o','ext11c','C')  
 *     -->y=ode([1;0;0],0,[0.4,4],'ext11c') 
 *     param must be defined as a scilab variable 
 *********************************/

int ext11c(neq, t, y, ydot)
     int *neq;
     double *t, *y, *ydot;
{
    static int m, n;
    static double param[3];
    ReadMatrix("param", &m, &n, param);
    ydot[0] = -param[0] * y[0] + param[1] * y[1] * y[2];
    ydot[2] = param[2] * y[1] * y[1];
    ydot[1] = -ydot[0] - ydot[2];
    return(0);
}