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Sum of alternating series

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Britnie Casillas
Britnie Casillas el 27 de Sept. de 2019
Respondida: Star Strider el 27 de Sept. de 2019
How do you find the sum of a series with alternate signs. I know how to find with same signs but not alternating. I have no idea where to start. For example, 1-(1/3)+(1/5)-(1/7)+(1/9)...-(1/1003) with the sum equaling to 0.7849~pi/4
*This is not a homework problem. This is a studying question for my upcoming exam. I am very new to matlab and do not know where to start.

Respuesta aceptada

Star Strider
Star Strider el 27 de Sept. de 2019
Just create the series and use the sum function:
N = 1003;
frc = (1./(1:2:N));
exv = (-1).^(0:numel(frc)-1);
ser = frc.*exv
ser_sum = sum(ser)
ser_sum =

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jeewan atwal
jeewan atwal el 27 de Sept. de 2019
Please go through following link:


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