why I'm getting error " Array indices must be positive integers or logical values."

2021 2 10
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更新时间：2021 2 10
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%% Atmospheric Pressure
%P=Patm(1+((B*Z)/Tatm))^(g/(R*B))
R = 287;
g = 9.81; % m/s^2
B = .0065; % K/m
Patm = 101325; % Pa
Tatm = 288.15; % K
P = 88200; % Pa
%Creating equation for atmospheric presure at height Z for solution
func_atm_pressure=@(Z) P-Patm(1+((B*Z)/Tatm))^(g/(R*B));
%Solving for Z using fzero function
fzero(func_atm_pressure, 1000)

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回答（1 个）

the cyclist
the cyclist 2021-2-10

1 个投票

You need the multiplication sign after Patm:
func_atm_pressure=@(Z) P-Patm*(1+((B*Z)/Tatm))^(g/(R*B));

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