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Putting alpha in a string

조회 수: 9 (최근 30일)
ANANTA BIJOY BHADRA
ANANTA BIJOY BHADRA 2022년 4월 21일
댓글: Voss 2022년 4월 21일
I have to make a figure caption from the m.file. The caption contains greek letters alpha. I was trying put it in thwe caption as the part of xlabel using the string command. But it does not work. I can not edit from the figure properties as I have to implement it in a loop. Also I need to put 10^6 inside the caption. How can I solve these problems? The sample code is below,
clc
clear
x=rand(10,1)
f=60
Ms_peak=1.8;
alpha=0.0001;
c=0.26;
a=1500;
k=400;
plot(x)
str=sprintf('B-H Curve at Frequency=%d for M{_s}=%.2f, \alpha=%.4f, c=%.2f, a=%d, k=%.d',f,Ms_peak,alpha,c,a,k); %Figure caption.
xlabel({'H (A/m)',str});
ylabel('B (T)');

채택된 답변

Matt J
Matt J 2022년 4월 21일
편집: Matt J 2022년 4월 21일
Note the double slash in '\\alpha' as well as Interpreter='tex'.
str=sprintf('B-H Curve at Frequency=%d for M{_s}=%.2f, \\alpha=%.4f, c=%.2f, a=%d, k=%.d',f,Ms_peak,alpha,c,a,k);
xlabel({'H (A/m)',str},Interpreter='tex');
  댓글 수: 3
Matt J
Matt J 2022년 4월 21일
clc
clear
x=rand(10,1)
x = 10×1
0.0249 0.7662 0.7388 0.4406 0.4688 0.7279 0.9047 0.3438 0.9676 0.7423
f=60
f = 60
Ms_peak=1.8;
alpha=0.0001;
c=0.26;
a=1500;
k=400;
plot(x)
str=sprintf('B-H Curve at Frequency=%d for M{_s}=%.2f\\times10^6, \\alpha=%.4f, c=%.2f, a=%d, k=%.d',f,Ms_peak,alpha,c,a,k); %Figure caption.
xlabel({'H (A/m)',str});
ylabel('B (T)');
ANANTA BIJOY BHADRA
ANANTA BIJOY BHADRA 2022년 4월 21일
Thank you very much for the help.

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추가 답변 (1개)

Voss
Voss 2022년 4월 21일
Use double-backslash to escape the backslash in sprintf, so that what's returned from sprintf contains '\alpha'.
Not clear where 10^6 should go, but here it is.
clc
clear
x=rand(10,1);
f=60;
Ms_peak=1.8;
alpha=0.0001;
c=0.26;
a=1500;
k=400;
plot(x)
str=sprintf('B-H Curve at Frequency=%d for M{_s}=%.2f, \\alpha=%.4f, c=%.2f, a=%d, k=%.d',f,Ms_peak,alpha,c,a,k); %Figure caption.
xlabel({'H (A/m) [ x 10^6 ]',str});
ylabel('B (T)');
  댓글 수: 2
ANANTA BIJOY BHADRA
ANANTA BIJOY BHADRA 2022년 4월 21일
Thank you. the 10^6 has to go after the M_s.
Voss
Voss 2022년 4월 21일
Modified, as instructed:
clc
clear
x=rand(10,1);
f=60;
Ms_peak=1.8;
alpha=0.0001;
c=0.26;
a=1500;
k=400;
plot(x)
str=sprintf('B-H Curve at Frequency=%d for M{_s}10^6=%.2f, \\alpha=%.4f, c=%.2f, a=%d, k=%.d',f,Ms_peak,alpha,c,a,k); %Figure caption.
xlabel({'H (A/m)',str}); % 'tex' is default Interpreter, not necessary to specify it
ylabel('B (T)');

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