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Luis Garcia


Last seen: nästan 4 år ago |  Active since 2016

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Question


How can I load a mat file faster
I have a very large mat file that is about 8 GB,it contains a couple of structure with data. And to load it it takes about 10 mi...

mer än 5 år ago | 1 answer | 0

1

answer

Question


How to create an structure fields from an cell array?
I have the following code: data1 = xlsread('data1.xlsx'); namesoftags = {'timeaxis','cputime','flux','volts'}; for i =1:4 ...

mer än 5 år ago | 2 answers | 0

2

answers

Question


How to plot 4 rectangles, having their center, and knowing their half width and heigh?
I'm trying to plot 4 rectangles, I have their center points in a 4X2 Matrix,(A) and I have in a 1X2(B) Matrix the half of width ...

nästan 6 år ago | 1 answer | 0

1

answer

Question


How to add an existing tool to my GUI?
I'm trying to add an existing tool, (the imcontrast tool) to show in my GUI. But currently it shows in a different figure(or win...

nästan 6 år ago | 1 answer | 0

1

answer

Question


How to shift and re plot 4 rectangles ?
I have a rectangle xrect = [x1 x2 x3 x4 x1]; yrect = [y1 y2 y3 y4 y1]; I have plotted the rectangle, but I need to shif...

nästan 6 år ago | 1 answer | 0

1

answer

Question


Jacobi method: Error with index in the while loop.
N = 6; I = eye(N); A = toeplitz([2 -1 zeros(1, N-2)]); b = [0 2 3 -1 2 1]'; x = [0 0 0 0 0 0]'; %initial guess ...

ungefär 6 år ago | 1 answer | 0

1

answer

Question


trying to iterate through a vector changing the value of 1/5 in each iteration ?
Im trying to do calculations with x with different b, so for example the first calculation is with b = 1/5 0 0 0 0 0 0 0 .... ...

ungefär 6 år ago | 1 answer | 0

1

answer

Question


why is my error plot not showing?
x = linspace(-10,10,100); h = logspace(-1,-16,100); error = (300); figure(1); hold on; for i = 1:100 err...

ungefär 6 år ago | 3 answers | 0

3

answers

Question


why is my plot not showing?
Im trying to plot iteration on the x-axis vs error_delta on the y-axis, but nothing shows, they are inside the while loop. ...

ungefär 6 år ago | 2 answers | 0

2

answers