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### forward difference

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```I need help in getting started on how to create a function that calculates the derivative of f(x)=a*x+b*x.^2+c*x.^3+d*sin(m*x)+g*exp(h*x) given that a,b,c,d,m,g,and h are constants and are known on the interval (0,2*pi) using forward difference method. I am new to matlab so I don't know how to even get started with this. if anyone could help me and give me some tips on how to start this please.!!!
```
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Reply Estela 2/11/2011 5:57:03 PM

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```"Estela" wrote in message <ij3t9f\$hum\$1@fred.mathworks.com>...
> I need help in getting started on how to create a function that calculates the derivative of f(x)=a*x+b*x.^2+c*x.^3+d*sin(m*x)+g*exp(h*x) given that a,b,c,d,m,g,and h are constants and are known on the interval (0,2*pi) using forward difference method. I am new to matlab so I don't know how to even get started with this. if anyone could help me and give me some tips on how to start this please.!!!

doc diff
```
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Reply Sean 2/11/2011 6:14:05 PM

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