Table.Properties.VariableNames" will not allow me to include parentheses () or brackets [ ] in my column heading

Question

Venkat Ta 2019-7-8

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/470757-table-properties-variablenames-will-not-allow-me-to-include-parentheses-or-brackets-in-my-c

评论： Steven Lord 2019-9-13

Its is not allowing special char

clear all;
close all;
clc;
%Constant Values
A=1;                   %VOLTS
b0=1;                  %DIMENSIONLESS
r=0.75;                %DIMENSIONLESS
xn=ones(1,41);         %Input Sequence as a matrix equal to the Unit-Step Sequence in VOLTS (always 1) 
n=[0:1:40];            %Value of "n" ranges from 0 to 40 and are in 1 unit increments
%Impulse response of a 2nd-Order Infinite Impulse Response (IIR) Filter
hn=b0*(-r).^n.*(n+1);  %Creates a matrix of values from h[0], h[1], h[2],...,h[n-1],[n]
%Cumulatively sums the values of h[n] which yields the Output Sequence "y[n]"
yn=cumsum(hn);
N=n(:);               %Transforms matrix of values of "n" into a single column
XN=xn(:);             %Transforms matrix of values of "xn" into a single column
HN=hn(:);             %Transforms matrix of values of "h[n]" into a single column
YN=yn(:);             %Transforms matrix of values of "y[n]" into a single column
T = table(N, XN, HN, YN) %Outputs a table with the values of "n," the input sequence "x[n],"
                         %the 2nd-Order (IIR) filter "h[n]," and the output sequence "y[n]."
%T.Properties.VariableNames = {'n' 'x[n] (V)' 'h[n]' 'y[n] (V)'}
 T.Properties.VariableNames{1} = 'X_n'
T.Properties.VariableNames {2}='Min%'
T.Properties.VariableNames{3} = '1.96\sigma %'
T.Properties.VariableNames{4} = '1M'
Table.Properties.VariableNames" will not allow me to include parentheses () or brackets [ ] in my column heading