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Plotting functions using loop

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mohammed shapique
mohammed shapique 2020-9-10
评论： mohammed shapique 2020-9-10
lambda=1
gamma1=0.3
n=0:1:15;
for i=1:15
n=0+i;
P1(n)=((lambda.^n)/(lambda+gamma1).^(n+1));
end
After running this program, in the command box i typed plot(P1(:)). The curve starts from 1 and not from zero. please help me to find the mistake in the program.
  1 个评论
Steven Lord
Steven Lord 2020-9-10
When you call plot with one vector input that input is used as the y data. The corresponding x data is the indices of the elements in the vector and array indices in MATLAB start at 1. See the Description section of the plot function's documentation page for more information.
Asad (Mehrzad) Khoddam has given you a vectorized solution that calls plot with two inputs.

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采纳的回答

Asad (Mehrzad) Khoddam
lambda=1;
gamma1=0.3;
n=0:1:15;
P1 = (lambda.^n)./(lambda+gamma1).^(n+1));
plot(n, P1);

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