Leor Greenberger

Teledyne LeCroy

Last seen: plus de 4 ans il y a | Actif depuis 2011

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lsqcurvefit not adjusting some parameters as expected
I am trying to fit some data to a 3 parameter curve expressed as . What I am finding when using lsqcurvefit is that it converge...

plus de 5 ans il y a | 2 réponses | 0

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Question

How to handle error in callback function triggered by an event?
Hi All, I have an instance of a class I created that can trigger events. I have other classes that set listeners on this obje...

plus de 10 ans il y a | 1 réponse | 0

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Question

OOP: Properties Containing Objects
Hi All, I defined a class called instr (which is short for instrument) that is derived from a handle class. The instr class s...

plus de 11 ans il y a | 1 réponse | 0

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Question

Visa and Timeout error handling?
Hi. I am using the instrument control toolbox to create a VISA connection to my instrument using visa('ni','TCPIP0::<i...

plus de 11 ans il y a | 1 réponse | 0

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Question

Compiling a matlab function into a C shared .dll library
I have 5 matlab functions that I have compiled into 5 separate shared C .dll to use with an existing software written in C. Each...

plus de 11 ans il y a | 1 réponse | 0

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Question

Compiler / MEX using C help
Hi all, I compiled a matlab function using the compiler toolbox into a dll, and I am trying to call it from my C program. For...

plus de 11 ans il y a | 1 réponse | 0

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Question

Compiler and shared C library
Hi all, I am trying to understand how to use the Compiler toolbox to distribute a shared C library. What I currently have in ...

plus de 11 ans il y a | 1 réponse | 0

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Question

How to write asynchronously to instrument?
Hi all, I am trying to control an oscilloscope, and I have the following code for setting it up. for Chan = 1:4 f...

plus de 11 ans il y a | 1 réponse | 0

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Question

cell array concatenation problem
Hi I am not sure what I am doing wrong. I have the following code. BWL = [200 350 500 1000]*1E6; filename = cell(4,...

plus de 11 ans il y a | 1 réponse | 0

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Question

Assigning a single value to cell array with logical indexing.
Hi All, I am wondering if the code I have below is optimal for what it does, or if there are better ways to do this. VDI...

plus de 11 ans il y a | 1 réponse | 0

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Question

concatenating array using cellstr and repmat
Hi All, I have the following code str = cellstr(char('This','Orthis')); x = round(rand(10,1))+1; output = [repmat(...

plus de 11 ans il y a | 1 réponse | 0

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Question

Help with FFT and wvtool
Hi All, I am stumped on this one. I created a filter and used wvtool on it. w_k = kaiser(K,9.5*pi); wvtool(w_k) I th...

plus de 11 ans il y a | 1 réponse | 0

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Question

Parallel toolbox computing question
Hi. I have the parallel computing toolbox and I was curious if the following can be done. I have a for loop that calls 3 fun...

plus de 12 ans il y a | 1 réponse | 0

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Question

append string to each element in string cell array
x_label = '8' '16' '24' '32' '40' How can I append ' GHz' to each element in the cell array? Thanks! Ca...

environ 13 ans il y a | 2 réponses | 5

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Question

array of ints to cell array of strings?
I was wondering what is the best way to convert an array of integers to a cell array of strings? Thanks.

environ 13 ans il y a | 1 réponse | 0

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Question

commsrc.pattern help
I am having trouble using commsrc.pattern to generate the following psuedo-random binary signal: Pattern: PRBS7 Bitrate: 28...

environ 13 ans il y a | 1 réponse | 0

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Question

Array of string cells and guide 'string'
I have in a GUIDE generated GUI several places where the user can enter data. This data is validated when the person clicks on a...

environ 13 ans il y a | 1 réponse | 0

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Question

Browse Button in GUIDE issue
Hi, I have a callback function for a Browse button (to select a file) in a GUIDE generated fig: % --- Executes on button pres...

environ 13 ans il y a | 1 réponse | 0

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Question

guide and waitfor selectionchangefcn
Hi. In my GUIDE gui, I have a "RUN" push button, whose callback function runs through a block of conditional statements to check...

environ 13 ans il y a | 1 réponse | 0

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Réponse apportée
try and catch help
OOPS! should be two s's in isstruct. getReport(err) in the catch block allowed me to solve it.

environ 13 ans il y a | 0

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Question

try and catch help
In a callback function of a GUIDE gui, I have: path = get(handles.path_text,'String') try data = importdata(pat...

environ 13 ans il y a | 3 réponses | 0

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Question

GUIDE and buttongroup
I have a button group with 2 radio buttons: MHz and GHz. I don't need to run a callback function on selection changes. My GUI a...

environ 13 ans il y a | 1 réponse | 0

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Question

str2num and commas
Hi. str2num doesn't seem to convert '20,000' to 20E3. Instead, it becomes a vector of 2 elements: 20 and 0. Is there a way aroun...

environ 13 ans il y a | 2 réponses | 0

2

réponses

Question

string and isinteger
Hi. I created a GUIDE UI and I am trying to determine whether an input into an editable textbox is an integer. If I do: [I,O...

environ 13 ans il y a | 3 réponses | 0

3

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Question

conditional statement with ||
Say I have If A && B && C ...do something if A = B = C = true end Is it faster, however to do: If ~(A ||...

environ 13 ans il y a | 2 réponses | 0

2

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Question

GUIDE callback question
I have a button group (tag: DBI_ButtonGroup) with two radio buttons (tag1: radio_DBI tag2: radio_non_DBI) My selctionchangefc...

environ 13 ans il y a | 2 réponses | 0

2

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Question

GUIDE edit text
I am using an edit text control in guide with a preset string defined. When I run the figure, clicking inside the edit box does...

environ 13 ans il y a | 1 réponse | 0

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réponse

Question

get handle of subplot?
After I subplot, how can I get the Position property of the current axis so I can adjust it?

environ 13 ans il y a | 2 réponses | 0

2

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Réponse apportée
count number of occurences of character in string?
I suppose this will actually work. v = '30.44.532.56'; length(strfind(v,'.'))

environ 13 ans il y a | 1

Question

count number of occurences of character in string?
Is there a function/method for counting the number of times a specific character occurs in a string? Say v = '30.44.532.56'; ...

environ 13 ans il y a | 3 réponses | 0

3

réponses