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Stephen


Last seen: 4 years 前 |  自 2012 起处于活动状态

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new to matlab

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How to use fminsearch for a function converted from symbolic expression
Hello, I am trying to fit a plane to a set of data. I'd like to write my own function with fminsearch function. I created t...

4 years 前 | 1 个回答 | 0

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Calculate area of piecewise closed curve
Hello, I am trying to find the area enclosed by 4 piecewise smooth curves. As can be seen from the figure, BLACK curve is a...

5 years 前 | 1 个回答 | 0

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Solve nonlinear equations within range
Hello, I have two nonlinear equations to solve simultaneously: syms x, y f1 = x^2 + y^2 + x == 4 f2 = x^3 + y*2 == 2 ...

6 years 前 | 1 个回答 | 0

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Need help with array of functions
Hello all, I have a script that uses symbolic variables heavily. Here is the code, syms x y z as = 3*x; bs = 4*y + z...

6 years 前 | 0 个回答 | 0

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Need help with vector and eval
Hi all, I am encountering a problem with vectorization and eval. So here is the code syms a b c i A = [a*i; b-i; c+...

6 years 前 | 1 个回答 | 0

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Another error occurs in "aviread" .
Warning: AVIREAD will be removed in a future release. Use MMREADER instead. > In aviread at 29 In testvideo at 1 ?...

12 years 前 | 1 个回答 | 0

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Error occurs in "aviread" . URGENT
I was running a tracking moving object program written by others and sent me from email. I am wondering why the first line of th...

12 years 前 | 1 个回答 | 0

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vehicle counting using virtual line detection; how to get the pixel changing status of the virtual line
I don't want to use optical flow. I want to use a virtual rectangle to simplify the problem. Once the vehicle get through the re...

12 years 前 | 0 个回答 | 0

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The errors happened in different version of matlab on the same code
As I posed before, <http://www.mathworks.com/matlabcentral/answers/37417-how-to-get-the-value-of-a-certain-pixel-region-in-video...

12 years 前 | 0 个回答 | 0

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已回答
how to make a live video from webcam to appear on the fig file which i have created
You may try these. clear all; imaqmem(80000000) ; aviobj = avifile('myavifile6'); aviobj.quality = 100; ...

12 years 前 | 0

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how to get the value of a certain pixel-region in video and analyze them?
I have a video of pills moving from left to right slowly. I want to draw a visual line in the original video and when the pills ...

12 years 前 | 1 个回答 | 0

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