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How do I add the numbers on top of the bar graph?

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Belle Dionido
Belle Dionido el 29 de Abr. de 2022
Editada: Belle Dionido el 29 de Abr. de 2022
file = input("Please enter the name of the data file : ",'s');
[num,txt,raw] = xlsread(file);
amino_names = txt(3:end,1);
atomic_weights = [15.994; 12.01; 14; 32.065; 1.01];
amino_weights = num * atomic_weights;
amino_weights = round(amino_weights,2);
disp("**** The report is ready ****");
T = table(amino_names,amino_weights);
T.Properties.VariableNames = {'Amino Acid','Molecular Weight'};
disp(T)
bar(amino_weights)
ylabel("Molecular Weights")
title("Molecular weights for different amino acids")
xticks(1:length(amino_names))
xticklabels(amino_names)
xtickangle(90)
% How do I add the numbers on top of the bar graph?
% Thank you!

Respuestas (2)

KSSV
KSSV el 29 de Abr. de 2022
A = rand(3,1) ;
h = bar(A) ;
text(h.XData,h.YData+0.05,num2str(A)) ;
  2 comentarios
Belle Dionido
Belle Dionido el 29 de Abr. de 2022
What are the h.XData, h.YData+0.05?
KSSV
KSSV el 29 de Abr. de 2022
REad about text, it needs positions (x,y) to place the text you want. h.XData, h.YData are those positions which can be obtained from the plot. You can try it yourself.

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Belle Dionido
Belle Dionido el 29 de Abr. de 2022
%I replaced xticks(1:length(amino_names)) with:
text(1:length(amino_names),amino_weights,num2str(amino_weights, '%0.2f'),'HorizontalAlignment','center','VerticalAlignment','bottom');

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