MATLAB: Assignment error when loading cvs file

loading data

I'm trying to load a cvs .txt file into an array:

data = csvread('ex1data2.txt');

but I get the following error:

% code
Error: File: ex1_multi.m Line: 134 Column: 6
The expression to the left of the equals sign is not a valid target for an assignment.
end

Best Answer

You have a problem with your previous line, such as a missing ]

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MATLAB: CVS yy-axis plot

Try this:

plotData = importdata('nmosesd.csv')
plotData.colheaders(1)
plotData.data(1) 
figure(1)
clf
hold on
grid minor
hLine(1)=plot(plotData.data(:,1),plotData.data(:,2),'*-r','LineWidth',2)
hLine(2)=plot(plotData.data(:,3),plotData.data(:,4),'p-b','LineWidth',2)
hLine(3)=plot(plotData.data(:,5),plotData.data(:,6),'o-k','LineWidth',2)
hLine(4)=plot(plotData.data(:,7),plotData.data(:,8),'^-g','LineWidth',2)
hold off
yyaxis right                                                    % Add Right Y-Axis                        
yt = get(gca, 'YTick');                                         % Get Default Y-Yick Values
newyt = linspace(min(yt), max(yt), 12);                         % Create New Right Y-Tick Values
newytl = linspace(-100, 1000, numel(newyt));                    % Create New Right Y-Tick Labels
set(gca, 'YTick',newyt, 'YTickLabel',newytl);                   % Set New Right Y-Tick Labels
title('Output Voltage at 10K\Omega')
set(gca,'FontSize',11);
xlabel('Time','FontSize',11,'FontWeight','bold') 
ylabel('Voltage','FontSize',11,'FontWeight','bold')

I do not have your data to work with. This works on my test plot.

MATLAB: How to import .csv data into guide

Did you try csvread()? Or dlmread()?

Best Answer

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MATLAB: CVS yy-axis plot

MATLAB: How to import .csv data into guide

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