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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...
4 years 前 | 1 个回答 | 0
1
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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)...
7 years 前 | 0 个回答 | 0
0
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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 ...
7 years 前 | 0 个回答 | 0
0
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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...
7 years 前 | 2 个回答 | 0
2
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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,...
8 years 前 | 2 个回答 | 1
2
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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 = ...
8 years 前 | 1 个回答 | 0
1
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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 ...
9 years 前 | 1 个回答 | 0
1
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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(...
9 years 前 | 1 个回答 | 0
1
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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...
9 years 前 | 1 个回答 | 0
1
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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...
9 years 前 | 1 个回答 | 0
1
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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 ...
9 years 前 | 1 个回答 | 0
