Why does it give an error?
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B=[3.0000 4.0000 5.0000 6.0000 7.0000 8.1000 9.0000 10.0000 11.0000 12.0000 16.0000];
f=[0.0067 0.0077 0.0088 0.0098 0.0109 0.0120 0.0130 0.0141 0.0152 0.0162 0.0173];
V9=[323.7612 321.5724 319.4098 317.2738 315.1648 311.0602 311.0294 309.0038 307.0070 305.0393 232.7858];
[a b c]=meshgrid(B f V9);
X=((a./(a+1)).*360.265)+((1./(1+a)).*(1+b).*c)-296.5+62.77;
Y=(b./X);
o = carpetplot(a,b,c,X,Y);
xlabel('Specific Thrust kg/N.s')
ylabel('TSFC N.s/kg')
grid on;
Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error.
To construct matrices, we need to use brackets instead of parentheses.
Why?
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Antworten (1)
Voss
am 7 Mai 2022
B, f, and V9 need to be passed to meshgrid as three separate arguments, separated by commas:
B=[3.0000 4.0000 5.0000 6.0000 7.0000 8.1000 9.0000 10.0000 11.0000 12.0000 16.0000];
f=[0.0067 0.0077 0.0088 0.0098 0.0109 0.0120 0.0130 0.0141 0.0152 0.0162 0.0173];
V9=[323.7612 321.5724 319.4098 317.2738 315.1648 311.0602 311.0294 309.0038 307.0070 305.0393 232.7858];
% [a b c]=meshgrid(B f V9);
[a b c]=meshgrid(B,f,V9);
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