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this unit 0.97
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first order

Solves the linear inhomogeneous recurrence relation
Controller: john

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First Order

intn )
The solution to an inhomogenous recurrence relationship of the form where u_0 is constant is

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Example 1

The annual birth rate of a small island is 1.1 per capita. There is also a constant influx of 10 new imigrants to the island each year. If the initial population is 580, what is the population after each year for the next 10 years
#include <stdio.h>
#include <codecogs/maths/discrete/recurrence/linear/inhomogeneous/first_order.h>
using namespace Maths::Recurrence::Linear::InHomogeneous;
int main()
  double intial_pop=580;  // an initial population
  double birth_rate=1.1;   // average birthrate per capita
  double imigration=10;   // direct imigration
  for(int i=0;i<=10;i++)
    printf("\n Year=%d  Population=%lf",i, first_order(intial_pop, birth_rate, imigration, i));
  return 0;


Year=0  Population=580.000000
 Year=1  Population=648.000000
 Year=2  Population=722.800000
 Year=3  Population=805.080000
 Year=4  Population=895.588000
 Year=5  Population=995.146800
 Year=6  Population=1104.661480
 Year=7  Population=1225.127628
 Year=8  Population=1357.640391
 Year=9  Population=1503.404430
 Year=10  Population=1663.744873


u0The first (initial) term of the series.
aHomogeous factor - multiplier for each additional term of the recurrence series.
bInhomegeneous factor - additional constant added at each step of the recurrence.
nThe number of terms from the recursive series to evaluate.
Source Code

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