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sindre Røyland


5 total contributions since 2015

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Question


change x axis, i have a plot of data from a headset. then i have 5 lines from a game, so i want 0-time from start(green) line till the end(red line), is it possible?
plot(data(2:end,3),data(2:end,1)); hold on; plot(data(2:end,3),data(2:end,2), 'k'); plot([Start Start],[0 1],...

5 years ago | 2 answers | 0

2

answers

Answered
i have a matrix (10,2), but when im using find(isnan) on this it becomes (1,10) can someone tell me why? i delet 10 of the nans
found it myself using a(isnan(a(:,1)),:) = []; and not a(find(isnan(a))) = [];

5 years ago | 0

| accepted

Question


i have a matrix (10,2), but when im using find(isnan) on this it becomes (1,10) can someone tell me why? i delet 10 of the nans
a = ones(10,2)*nan b = 1:5; a(b,1) = b; a(b,2) = b; a(find(isnan(a))) = [];

5 years ago | 1 answer | 0

1

answer

Question


can i change the x axis without changing the plot? So i have a array with 10000 numbers in it, i want to plot thoes 10000 numbers in time, like 0-10sec insted of 0-10000.
buf = ones(10000,1)*nan; i = 1; x = rand(10000,1); for i <= 10000 buf(i,1) = x i = i+1; end plot(buf)

5 years ago | 1 answer | 0

1

answer

Question


How can i save the random numbers in one array/string? I have similar problem, so this is just an example. Don't know how to explaine the other one
for i = 1:10 rand() end %is coming 10 random numbers ans = 1, ans = 7 ans = 4 osv.

5 years ago | 1 answer | 0

1

answer