michael

BGU

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System Engineer / Solution architect

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Deal with Closed MATLAB Executable and Windows command line
I was provided a closed matlab code (exe) built by matlab application. When I ran it, I see that there are some UI with some in...

8 months ago | 1 answer | 0

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answer

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matlab pack and go exe file execution with higher MRC version
Hi, I was provided an applicaiton (*.exe file) wich was generated by pack and go and compiler version 8.2. I have matlab compi...

8 months ago | 0 answers | 0

0

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Multiple plots - change x axes all at once once
0 I have multiple figures where most of it is parameter vs time and the rest are scatter plots. Each figure, may contain mult...

9 months ago | 2 answers | 0

2

answers

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working with angles and wraparound
Hi, I have an antenna (the black dot) which is receiving pointing commands and sends pointing report. Also I have a moving obj...

1 year ago | 1 answer | 0

1

answer

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fill missing value in array
Hi, (unfortunatly, I have old matlab, where timeseries is not existing). I have an array with data data_array, from which I ha...

1 year ago | 1 answer | 0

1

answer

Question

plotting trajectory direction of a path
Hi, I have a set of points (lat, long) which I eould like to plot as a trajectory path. on top of that, I'd like to add an ar...

1 year ago | 1 answer | 0

1

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add data for plot
Hi, lets say I have 3 variables with same length, a,b,c. If I plot the data with `plot(a,b)`, I can see the values of a and b ...

2 years ago | 1 answer | 0

1

answer

Question

analysis of data for decision making
Hi, I need to combine some parameters for some decision: I have 6 antenna combinations (2TX-3RX antennas) some of those anten...

2 years ago | 0 answers | 0

0

answers

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time analysis of data
Hi, I have following text file id, start_time, stop_time, value 1 XXX1 YYY1 13 9 XXX2 YYY2 65 7 XXX3 YYY3 82 1 XXX4 YY...

2 years ago | 1 answer | 0

1

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Question

working with times - unclear receiving values
Hi, I'm using Matlab R14SP3. I'm using datenum and datestr functions to perform my data analysis based on time. startTime=dat...

2 years ago | 0 answers | 0

0

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improve for loop performance
Hi, I have a for loop runing on all values and takes into acount previous value for i=2:length(a) a(i)=some_function(inpu...

2 years ago | 1 answer | 0

1

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Matlab does not recognizes function
Hi, I have a test.m file located in directory temp. This file calls functions named test1 (located in test1.m) test2 (located i...

2 years ago | 0 answers | 0

0

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Question

multiplication of matrix with long data
Hi, I have a long data (200K+ samples) from which a location vector L (3x1) and a matrix T (euler matrix 3x3) is generated and ...

2 years ago | 1 answer | 0

1

answer

Question

geodetic2aer elevation and range calculation
Hi, I'd like to calculate an elevation and a range from a known point on earth to a plane flying at distanse 200Km. Our calc...

2 years ago | 0 answers | 0

0

answers

Question

string text manipulation - adding data based on previous data in the string
Hi, I have a string (char array) looking as follows: Time,<Message_CMD>element1,<other_meesage>elemenX,<Message_CMD>element2,<...

2 years ago | 3 answers | 0

3

answers

Question

textscan don't read file correctly
Hi, I have preaty old MATLAB version (R14 SP3) I have 2 files which has to be imported: column headers and data (output of som...

3 years ago | 1 answer | 0

1

answer

Question

add value to cell array
Hello, I need to add some values to cell array based on conditions. It can be that on some condition, the value shall be not be...

3 years ago | 2 answers | 0

2

answers

Question

matlab figure turns to gray
Hi, I have pretty old matlab (R14 SP3). When I perform the plots on specific case, the figure changes to grey and all the data ...

3 years ago | 1 answer | 0

1

answer

Question

textscan: strings and variables
Hi, I have some csv file which contains numbers and strings (example below) The column headers are in seperate file from t...

3 years ago | 1 answer | 0

1

answer

Question

quantaize data and build an histogram
Hello, I have a 3D data (X,Y,Z). Where X is between 0 to 360, Y is between 0 to 180 and Z is between -100 to + 100. I'd like t...

3 years ago | 1 answer | 0

1

answer

Question

y axis values - change the display
Hi, I have values on y axis which ranges from 0 to 160000. The value for 80000 (for example) is displayed as 8 (*10^4) How c...

3 years ago | 1 answer | 0

1

answer

Question

shifting image up by known number of pixels
Hi, I have an image of 85*360*3. If I show it with imagesc, the Y axes will be between 0 to 85. I'd like to shift the whole i...

3 years ago | 1 answer | 0

1

answer

Question

calculate the difference on the antenna azimuth
Hi, I need to calculate the difference of 2 azimuths (lets say analytical and real azimuth). There is no issue if both are p...

3 years ago | 1 answer | 0

1

answer

Question

select data from plot and update other plot
Hi, I have some challange: I'm using preaaty old version of Matlab - R14 SP3. I have some waw data which consists of some v...

3 years ago | 1 answer | 0

1

answer

Question

using area function - drawing below 0 of y axes
Hi, I have some graph. I'd like to plot an area (the orange one). I'm using area function for positive values. how can I use it...

3 years ago | 2 answers | 0

2

answers

Question

Satellite toolbox: GPS signal generation and SDR
Hi, Just noticed that in the new version of matlab there is a new toolbox for satellite commnucation which contains an option t...

3 years ago | 2 answers | 0

2

answers

Question

selecting values between vectors and plot the values
Hi, I have 4 vectors which are unsorted. All have all same length of 360: Ax, Bx - Values are real numbes between 0 to 360. V...

4 years ago | 1 answer | 0

1

answer

Question

System composser - can't save dictionary
I'm following the Getting Started Guide for system composer. When trying to save to new dictinory - i'm getting The data dictio...

4 years ago | 1 answer | 0

1

answer

Question

select values from matrix
Hi, I have a 2D matrix of size 2x360 and a vector of length 360 which contains values 1 or 2. From the matrix, I'd like to sel...

4 years ago | 1 answer | 0

1

answer

Question

axis equal - a bug in the function?
Hi, when executing following plot(1:10) axis equal I'm getting a figure as below, which seems not to comply with the definit...

4 years ago | 2 answers | 0

2

answers

michael

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