Not enough input arguments error in function

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Mohamed El Santty
Mohamed El Santty 2021-3-13
回答： Jan 2021-3-13
Hello All,
I am very new in matlab and write the below function and i got a two errors
function y = organization_Performance_multiobjective (x)
y(1)=(-0.144*x(1)-0.077*x(2)-0.053*x(3)+0.097*x(4)-0.057*x(5)+0.066*x(6)-0.037*x(7)+0.142*x(8)+0.17*x(9)+0.048*x(10)+0.042*x(11)-0.011*x(12));
y(2)=0.235*x(4)+0.038*x(5)+0.248*x(6)-0.025*x(7)+0.155*x(8)-0.231*x(9)-0.054*x(10)-0.002*x(11)+0.012*x(12);
y(3)=0.047*x(1)+0.202*x(2)-0.053*x(3)-0.19*x(6)-0.061*x(7)-0.101*x(8)+0.074*x(9)-0.203*x(10)-0.066*x(11)+0.005*x(12);
y(4)=0.06*x(1)+0.058*x(2)-0.187*x(3)+0.002*x(4)+0.004*x(5)+0.41*x(11)-0.279*x(12);
y(5)=-0.04*x(1)-0.011*x(2)+0.002*x(3)-0.009*x(4)+0.104*x(5)-0.35*x(6)-0.038*x(7)-0.256*x(8)+0.164*x(9)+0.027*x(10);
end
and i give a arry to this function consists from 12 numbers and i got the below error
Not enough input arguments.
Error in organization_Performance_multiobjective (line 2)
y(1)=(-0.144*x(1)-0.077*x(2)-0.053*x(3)+0.097*x(4)-0.057*x(5)+0.066*x(6)-0.037*x(7)+0.142*x(8)+0.17*x(9)+0.048*x(10)+0.042*x(11)-0.011*x(12));

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回答（2 个）

Alan Stevens
Alan Stevens 2021-3-13
The following works for me (I['ve chosen random numbers for x as you didn't say what ones you used):
x = rand(1,12);
y = organization_Performance_multiobjective (x);
disp(y)
function y = organization_Performance_multiobjective (x)
y(1)=(-0.144*x(1)-0.077*x(2)-0.053*x(3)+0.097*x(4)-0.057*x(5)+0.066*x(6)-0.037*x(7)+0.142*x(8)+0.17*x(9)+0.048*x(10)+0.042*x(11)-0.011*x(12));
y(2)=0.235*x(4)+0.038*x(5)+0.248*x(6)-0.025*x(7)+0.155*x(8)-0.231*x(9)-0.054*x(10)-0.002*x(11)+0.012*x(12);
y(3)=0.047*x(1)+0.202*x(2)-0.053*x(3)-0.19*x(6)-0.061*x(7)-0.101*x(8)+0.074*x(9)-0.203*x(10)-0.066*x(11)+0.005*x(12);
y(4)=0.06*x(1)+0.058*x(2)-0.187*x(3)+0.002*x(4)+0.004*x(5)+0.41*x(11)-0.279*x(12);
y(5)=-0.04*x(1)-0.011*x(2)+0.002*x(3)-0.009*x(4)+0.104*x(5)-0.35*x(6)-0.038*x(7)-0.256*x(8)+0.164*x(9)+0.027*x(10);
end
Jan
Jan 2021-3-13
How do you call this code? Do you use the green triangle in the editor? Then the function is called without input arguments. See Alan's answer for an example, how you call the function with an argument.
By the way, compare:
y(1)=(-0.144*x(1)-0.077*x(2)-0.053*x(3)+0.097*x(4)-0.057*x(5)+0.066*x(6)-0.037*x(7)+0.142*x(8)+0.17*x(9)+0.048*x(10)+0.042*x(11)-0.011*x(12));
with:
y(1) = [-0.144, -0.077, -0.053, 0.097, -0.057, 0.066, ...
-0.037, 0.142, 0.17, 0.048, 0.042, -0.011] * x(:);
I think this is easier to ready.

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