MATLAB: Label with num2str

num2str

Hello everyone,

I want to use num2str and I actually managed to use it but I faced a very little problem.

xlabel({"effective stress","ID=" num2str(Id)})

When I write this part of code, x label consists of 3 lines;

1:effective stress

2:ID=

3:'the value of Id'

But I need the 2nd and the 3rd lines to appear on the same line. It is a small detail but I need it for my thesis. Can you please help me.

Best Answer

xlabel({'effective stress',['ID=',num2str(Id)]})

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MATLAB: Using strings as an argument of a function

Hi,

The issue is with the input names. Change the input names with variable names other than MATLAB inbuilt functions, You can place input to be xlabelstr, ylabelstr and then use them in the function as such:

function [ ] = plotAmplitudeSpectrum( inp_signal, time_vector, Fsample,  xlabelstr, ylabelstr )
%...
xlabel(xlabelstr)
ylabel(ylabelstr)

You could directly pass as such:

plotAmplitudeSpectrum( inp_signal, time_vector, Fsample,  'X Label', 'y label' )
% Or even
plotAmplitudeSpectrum( inp_signal, time_vector, Fsample,  "X Label", "y label")

Hope this helps.

Regards,

Sriram

MATLAB: Num2str errors

The ‘filename’ assignment in your code is not the correct syntax.

It should be:

filename = ['A',num2str(kk),'.dat'];

Note the square brackets [], and not parentheses ().

However, using the sprintf function is preferable:

filename = sprintf('A%d.dat', kk);

I would use that instead.

Best Answer

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MATLAB: Using strings as an argument of a function

MATLAB: Num2str errors

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