# Plot legend and axis label does not display

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Felix Obite 2022 年 3 月 19 日
コメント済み: Felix Obite 2022 年 3 月 19 日
Plot legend and axis label does not display, find codes below. Can anyone help?, Also, i would like to number each point PU(1, to 20) and SU(1 to 20) similar to the attached file.
%% Sample points considering a 10 × 10 area, consisting of 20 secondary usesrs (SUs) and 20 primary users (PUs)randomly distribute
SU = rand (20) * 10; % sample points
PU = rand (20) * 10; % sample points
%% figures
plot (SU (:, 1), SU (:, 2), '+ k' )
hold on
plot (PU (:, 1), PU (:, 2), '* k' )
hold off
text (SU (:, 1), SU (:, 2), compose ( '\$ \\% d \$' , 1: size (SU, 1)), 'Horiz' , 'left' , 'Vert' , ' middle ' , ' Interpreter ' , ' latex ' )
text (PU (:, 1), PU (:, 2), compose ( '\$ \\% d \$' , 1: size (PU, 1)), 'Horiz' , 'left' , 'Vert' , ' middle ' , ' Interpreter ' , ' latex ' )
legend('SU','PU')

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### 回答 (2 件)

Voss 2022 年 3 月 19 日
Avoid putting extra spaces in character vectors, e.g., use:
'Vert' , 'middle' , 'Interpreter' , 'latex'
'Vert' , ' middle ' , ' Interpreter ' , ' latex '
(MATLAB doesn't recognize ' Interpreter ' to be the same as 'Interpreter', for instance.)
%% Sample points considering a 10 × 10 area, consisting of 20 secondary usesrs (SUs) and 20 primary users (PUs)randomly distribute
SU = rand (20) * 10; % sample points
PU = rand (20) * 10; % sample points
%% figures
plot (SU (:, 1), SU (:, 2), '+ k' )
hold on
plot (PU (:, 1), PU (:, 2), '* k' )
hold off
text (SU (:, 1), SU (:, 2), compose ( '\$ \\% d \$' , 1: size (SU, 1)), 'Horiz' , 'left' , 'Vert' , 'middle' , 'Interpreter' , 'latex' )
text (PU (:, 1), PU (:, 2), compose ( '\$ \\% d \$' , 1: size (PU, 1)), 'Horiz' , 'left' , 'Vert' , 'middle' , 'Interpreter' , 'latex' )
legend('SU','PU')
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Felix Obite 2022 年 3 月 19 日
Many thanks. I appreciate

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Star Strider 2022 年 3 月 19 日
Spaces are significant in name-value pair arguments, so ' Interperter ' will not be recognised.
%% Sample points considering a 10 × 10 area, consisting of 20 secondary usesrs (SUs) and 20 primary users (PUs)randomly distribute
SU = rand (20) * 10; % sample points
PU = rand (20) * 10; % sample points
%% figures
plot (SU (:, 1), SU (:, 2), '+ k' )
hold on
plot (PU (:, 1), PU (:, 2), '* k' )
hold off
text (SU (:, 1), SU (:, 2), compose ( '\$ \\% d \$' , 1: size (SU, 1)), 'Horiz' , 'left' , 'Vert' , 'middle' , 'Interpreter' , 'latex' )
text (PU (:, 1), PU (:, 2), compose ( '\$ \\% d \$' , 1: size (PU, 1)), 'Horiz' , 'left' , 'Vert' , ' middle ' , 'Interpreter' , 'latex' )
legend('SU','PU')
They display now!
.
##### 1 件のコメント表示非表示 なし
Felix Obite 2022 年 3 月 19 日
Thanks a lot. I appreciate

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