readmatrix command not working

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Brian
Brian 2021-8-16
评论： Brian 2022-1-18
I am using Matlab R2021a on a linux server. I enter the exact example from matlab's documentation found here:
https://www.mathworks.com/help/matlab/ref/readmatrix.html
The example doesn't work.
>> type basic_matrix.txt
6,8,3,1
5,4,7,3
1,6,7,10
4,2,8,2
2,7,5,9
>> readmatrix('basic_matrix.txt')
Error using readmatrix (line 158)
Invalid default value for property 'VariableSelectors' in class 'matlab.io.xml.internal.parameter.SelectorProvider':
Not enough input arguments.
>> M= readmatrix('basic_matrix.xlsx')
Error using readmatrix (line 158)
Invalid default value for property 'VariableSelectors' in class 'matlab.io.xml.internal.parameter.SelectorProvider':
Not enough input arguments.

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回答（2 个）

Sulaymon Eshkabilov
Presumable that is happenign due to your OS - Linux.
You can try:
M=readtable('basic_matrix.txt');
M = table2array(M);
% You can also try:
T = readtable('basic_matrix.xlsx','Range','A1:D5','UseExcel',true); % Note the flag
How to assign the flag see doc.
  1 个评论
Brian
Brian 2022-1-18
readtable('basic_matrix.txt') does not work either. I get the identical error message.

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Jeremy Hughes
Jeremy Hughes 2021-8-16
This looks like an installation issue to me. Something is missing/broken causing initialization error in the internal code.
Does this happen with a fresh install?

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