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captainmariah


Last seen: 7 days ago |  Active since 2016

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Extracting number from a string
Hi, I want to extact the number from this string. res_str ='TotalPower:9,7406E+00Watts' I used below to find the index of the...

3 years ago | 1 answer | 0

1

answer

Question


Controlling an Stepper Motor
Hi, I want to control a step motor translations stage (LTS150/M - 150 mm Translation Stage with Stepper Motor from Thorlabs)...

6 years ago | 0 answers | 0

0

answers

Question


Negative background in image processing
Hi, I’m working with pulsed laser measurements and is calculating how much energy I have within an certain angle. My problem is ...

6 years ago | 0 answers | 0

0

answers

Question


Question about image processing
Hi, I been saving a grayscale image, that has maximal possible intensity around 4000 (12 format), but the image is saved as 16-b...

6 years ago | 2 answers | 0

2

answers

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Creating a rectangular pulse
I can create an rectangular pulse with code b1 = 5; a1 = 5; x = -10:0.01:10; % a pulse function f = @(xi,a,...

7 years ago | 2 answers | 1

2

answers

Question


Remove duplicate values in matrix
Hi, I have following code: a_x = 1.5:0.2:a_max; a_y = 1.5:0.2:a_max; a = zeros(length(a_x),length(a_y)); for i = ...

7 years ago | 1 answer | 0

1

answer

Question


Power from an image
Hi, I have a certain image with an intensity distribution. How do I calculate the Power? Is it correct to take the area ...

8 years ago | 1 answer | 0

1

answer

Question


find the number of seconds between two times
One time comes from a vector, date (which I only want the first date) and the other one is a string form. time0 = datenum(...

8 years ago | 1 answer | 0

1

answer

Question


polyfit with time vector.
Hi, Im encountered some problems while detrending some data. I have data for example: 15:02:13 0.24 15:02:14 0.25 15...

8 years ago | 1 answer | 0

1

answer

Question


how to find max and min values of the plot
Hi, Im plotting some data and I want to separate sections with colours. I am doing that with 'patch' but i want it to fill t...

8 years ago | 1 answer | 0

1

answer

Question


Remove drift from signal
<</matlabcentral/answers/uploaded_files/56272/test.jpg>> How do I remove the drift from this signal? I want the "flat" lines ...

8 years ago | 1 answer | 0

1

answer