All Questions
256 questions
0
votes
1
answer
438
views
How can I add line breaks in between code outputs in a MatLab live script?
I have this code in a live script cell:
u = symunit;
syms V_GS
V_t_value = 0.4*u.V;
K_n_W_L_value = 2*u.mA/u.V^2;
%get V_GS
i_d_equation_saturation = 0.5*K_n_W_L_value*(V_GS - V_t_value)^2;
assume(...
2
votes
1
answer
110
views
matlab fprintf with formatspec based on value
Say I want to print two numbers
1.755
1.234e-5
For the former, I would write
fprintf('%.3f', 1.755)
and for the latter
fprintf('%.3e', 1.234e-5)
Clearly, the first formatspec does not make sense ...
0
votes
1
answer
87
views
fprintf Command in Gauss-Seidel MATLAB Code
I have the following MATLAB code for solving a system of equation using the Gauss-Seidel Method. I'm wondering what the percentages mean in the fprintf command?
`k = 1; x1 = 0; x2 = 0; x3 = 0;
disp(‘ ...
- 167
1
vote
1
answer
69
views
write two matlab vectors in a file and insert backslash between the vectors
Given
a=[1 2 3];
b=[4 5 6];
Output in file should look like:
1 2 3 / 4 5 6
Is there a way to achieve this in one single fprintf() call?
I have a solution where there is no backslash between a and b
...
1
vote
1
answer
35
views
Iterating numbers within a string (Matlab)
In Matlab I am trying to achieve the following:
I need to provide an end date, which I would like to iterate forward by quarter in the format:
'1970q1'
For this I have made a loop.
for yy=1970:1971
...
- 11
0
votes
0
answers
195
views
Why doesn't zero padding with integers work in Matlab formatSpec?
I am trying to pad a number with zeros as follows.
Desired:
7 -> '07'
8 -> '08'
(In case it matters, the input is intended as a character vector to be converted by num2str. But for the examples ...
- 9,899
0
votes
1
answer
165
views
Contatenating strings using sprintf
I wonder why the following code does not work?
function out = test(str1, str2)
aux = sprintf(str1, str2);
end
Somehow MATLAB does not like how I supply the argument str1, which is entered by the ...
- 13
0
votes
2
answers
84
views
The \n doesn't work in Matlab when i write the datestring in file
I have a problem with \n when I am trying to write a datestring and number values in txt file
pattern = [ ...
'Date %s - First %d \n', ...
'Date %s - Second %d \n' ...
'%d, \n', ...
'*...
0
votes
1
answer
601
views
Using equation stored in variable Matlab
I want to use a equation which is stored in variable using inline Function but I am getting an error of 'Check for incorrect argument data type or missing argument in call to function 'coeffs'.
'. ...
- 355
4
votes
1
answer
347
views
Merge strings and table to one text file using fprintf - Matlab
How can I save the information generate in the script below which include strings and table in the following format to a text file?
Format:
M=5
1 21
2 22
3 23
4 24
5 25
5points
Script:
clc;
clear all;...
- 161
2
votes
1
answer
47
views
Create table from structure in matlab - alignment
I have a structure with scalar fields, say mom, and I would like to display the values of the structure on the screen in aligned columns, possibly with some header. Here is a minimum working example:
...
- 269
0
votes
0
answers
217
views
using fprintf to print a float with a user specified precision
I have a script in matlab that takes inputs from the user, computes some value and prints it on the screen. The script is quite complex and I would like to be able to give the user the option to ...
1
vote
0
answers
99
views
How to change display the equation into f(x)=0.0667*x in MATLAB command window?
I have a MATLAB code
clear all;
clc;
syms x;
f=2/30*x;
f=vpa(f,3);
fprintf('f(x)=%s\n',char(f));
The result is
f(x)=.667e-1*x
Now I want to display in command window:
f(x)=0.0667*x
Anyone can help ...
3
votes
0
answers
313
views
Print to MATLAB command window from mex file and another thread
I modified a sample program to demonstrate the issue: It prints a string each second.
The problem is that the messages appear in the command window after MATLAB returns to idle state (all at once).
If ...
- 907
0
votes
1
answer
111
views
Strange behaviour when writing RTF file
I have a strange behaviour in Matlab dealing with RTF files.
The rtf file is read with this instruction:
cin = textread(filename, '%s', 'delimiter', '\n');
(cin) is a Nx1 cell where N is the number ...
- 55