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Matlab Error (Z must be a matrix, not a scalar or vector.)?

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P_air = .1:.1:4;
alpha = .0125:.0125:.5;
[X,Y] = meshgrid(alpha,P_air);
T_air_dry = (1/0.0408)*log((0.42*P_air.*(1-alpha))./(0.03043+(0.00714*(1-alpha))));
Z = T_air_dry;
mesh(X,Y,Z)
grid on
hold on
%I keep getting the "Z must be a matrix, not a scalar or vector" error.
%Thank you for the help

Accepted Answer

KSSV
KSSV on 7 Nov 2023
Edited: KSSV on 7 Nov 2023
P_air = .1:.1:4;
alpha = .0125:.0125:.5;
[alpha,P_air] = meshgrid(alpha,P_air);
T_air_dry = (1/0.0408)*log((0.42*P_air.*(1-alpha))./(0.03043+(0.00714*(1-alpha))));
Z = T_air_dry;
mesh(alpha,P_air,Z) % use surf
grid on
hold on

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