Please help this semilogy error message
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can you tell me what is wrong with this line ؟
it says
Error using semilogy
Not enough input arguments.
semilogy (BestCost(1,:),
'LineWidth',2,'Color','r',BestCost(2,:),'LineWidth',2,'Color','b')
figure;
semilogy (BestCost(1,:), 'LineWidth',2,'Color','r',BestCost(2,:),'LineWidth',2,'Color','b')
xlabel('Iteration');
ylabel('Best Cost');
legend('normal','stop and watch')
grid on;
hold on
thank you
5 Kommentare
dpb
am 15 Mai 2023
Bearbeitet: dpb
am 15 Mai 2023
BestCost = [rand(1,10); rand(1,10)];
semilogy(BestCost.','linewidth',2)
xlabel('Iteration');
ylabel('Best Cost');
legend('normal','stop and watch')
grid on;
Don't need explicit x nor to plot each individually -- the one argument as a 2-column array uses the builtin interpretation by plot and friends to treat columns as separate variables; it rotates through the default colormap automagically, too.
Walter Roberson
am 15 Mai 2023
Bearbeitet: Walter Roberson
am 15 Mai 2023
semilogy (BestCost(1,:), 'LineWidth',2,'Color','r',BestCost(2,:),'LineWidth',2,'Color','b')
In the plotting functions, once you have start the first name/value pair, everything else on the line must be name/value pairs.
The plotting functions do not permit adding name/value pairs for each distinct set of data: the name/value pairs must go after all data specifications, and the name/value pairs will apply to all sets of data in the same call.
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