清空筛选条件
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Trying to mask can anyone help?

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Alex Doan
Alex Doan 2020-2-12
关闭： MATLAB Answer Bot 2021-8-20
%%
choose_in = input('Please enter a psoition between 0 and 360 ');
if (choose_in < 0)
choose_in = abs(choose_in);
Warning('You entered a negative value, taking the ablsolute value');
end
if (choose_in > 360)
error('The value is greater than 360 inches, program terminated')
end
a=(0:360); %number 0-choose_in
mask1= a(b);
b= a>=120;
mask2= a>240 & a<360;
Deflection = (1/(3.19*10^9)) * ((((800*choose_in^3) - 13.68 * ((10^6)*choose_in) - (2.5*choose_in^4) + (2.5*((choose_in-120)^4)*((mask1)) + (600*((choose_in-240)^3*(mask2)))))))
%Deflection = Deflection_ahdoan2(choose_in);
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Alex Doan
Alex Doan 2020-2-13
Logical indexing is what's its called
KSSV
KSSV 2020-2-13
What you are trying to do in the code? What probelm you facing in the code?
mask1= a(b);
In the above line, what is b? It is not defined and used in the code.

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