Question


Why am I not able to run this code?
global mat1 mat2 mat1=[ 1 -2 1 0 0 0 0 0 0 0; 0 1 -2 1 0 ...

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Question


Setting up jacobian pattern in odeset
Hi All, I'm trying to evaluate the jacobian pattern for a toy model x0 = [1 0 0 0 0 0 0 0 0 0]'; tspan = 0:0.01:5; f0 = ...

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Question


finding the sparsity pattern of a matrix
I've a matrix created via symbolic multiplication I'm sharing an example of the resulting matrix below (which is the RHS of od...

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Question


Does ode15s call BLAS functions?
Hi All, This is a follow up to my previous post here Could someone please clarify if the ode solver calls BLAS functions for...

environ 2 ans il y a | 2 réponses | 0

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Question


Question regarding ode15s
Hello Everyone, I'm simulating a system of stiff differential equations of the form using ode15s Y'= (1./Vector1).*(Matrix1...

environ 2 ans il y a | 1 réponse | 0

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Question


labels of stacked plot
Hi All, I've been going through the examples available here https://in.mathworks.com/help/matlab/ref/stackedplot.html to gene...

environ 2 ans il y a | 1 réponse | 0

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Question


reading the contents of a text file
I have the following content in a text file 1 2 3.45 4 2 2 3.43 4 3 2 3.23 4 4 2 3.46 4 5 2 3.345 4 6 2 3.4567 4 I'm tr...

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Question


creating an empty json file
Hi All, I would like to know how to create an empty json file in MATLAB.

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Question


Installing MATLAB Engine API for Python
Hi, I'm going through the documentation available here https://in.mathworks.com/help/matlab/matlab_external/install-the-mat...

environ 2 ans il y a | 1 réponse | 0

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Question


Issue while trying to use imopen
Hello Everyone, I have a segmentation volume created after processing an image stack by pixel classification. However, the ...

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Question


Adding edges to a Graph
Hi All, I am using the following section of code to add edges to a graph for node = 1:length(TobeAdded)-1 source = ...

environ 2 ans il y a | 1 réponse | 0

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Question


Plotting histogram of image data present in a stack
Hi All, I have looked at the examples shown here to underetand how to plot histogram of a single image data. But it's not cl...

environ 2 ans il y a | 1 réponse | 0

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Question


check if the entries of an array exists in another array
I've got two arrays, a1 = ["a", "b", "c", "d", "e", "f"] a2 = ["c", "f"] I would like to check if a2 is present in a1. Fo...

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Question


How to obtain a logical array?
I have an array X = 1:10 using find to check for an element returns find(X==10) ans 10 I would like to know how to r...

plus de 2 ans il y a | 1 réponse | 0

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Question


creating a graph with nodes and edges
I've the following tail = [2 3 4] head = [3 4 7] G = digraph(tail,head) plot(G) The node numbering isn't continuous here. W...

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Question


passing arguments to a function
function val = sum(a,b) default('a',1); % uses a function from file exchange default('b',20); val = a+b end I want to ...

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Question


plotting lines in 3D
I've the following to add additional points on a line joingin 2 points located in 3D space extended from 2D example shown here. ...

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Question


Writing time series data to a netCDF file from workspace
I have a worspace variable containing time varying data of a parameter `p` obtained at different coordinate positions. The rows ...

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Question


Write a mat file into netCDF file
I have a mat file with time varying data obtained at different coordinate positions. The rows correspond to different coordina...

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Question


How to read a multiframe tiff in MATLAB?
Hello, I am trying to read a multiframe tiff of dimension 610 x 610 x 1200 Using imread('file.tiff') reads only the first...

plus de 2 ans il y a | 1 réponse | 1

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A répondu
Unrecognized function or variable 'gaussf'.
present in http://www.diplib.org/main

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| A accepté

Question


Unrecognized function or variable 'gaussf'.
Hi, I am running a MATLAB code published online for processing images (normalize intensities). It throws an error Unrecogniz...

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Question


Unrecognized function or variable 'bfopen'
I am tyring to open an image stack in .czi file in MATLAB2019b. data = bfopen(file_name); returns Unrecognized function or ...

plus de 2 ans il y a | 1 réponse | 0

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Question


Extracting network from a 3D geometry
I have a 3D volume like the above and I would like to extarct network/ skeletonize from this. I would like to ask for sugg...

plus de 2 ans il y a | 1 réponse | 0

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Question


Why `WriteMode` isn't working while appending data to xlsx?
I'm doing the following excelFilename = 'someFile.xlsx'; structFieldnames = fieldnames(myStruct); % <--- where myStruct is y...

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Question


Append character array to first row of a matrix
Hi there! I've the following struct array Astruct = struct with fields: data1: [10×5 double] data2: [10×5 doub...

plus de 2 ans il y a | 1 réponse | 0

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Question


Saving struct to excel
I've a struct in the following form Astruct = struct with fields: data1: [5001×16 double] data2: [5001×16 d...

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Question


Version control on mat files
Hi All, Is it possible to view the history of changes made to a mat file? Thanks

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Question


Question on how to position points on a line
I've the following to divide a line to equal segments ref xy1 = [141.64 399.53]; xy2 = [213.32 250.96]...

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Question


Defining persistent variables in a function
I've a function that is called multiple times function fun() persistent x y z if isempty(x) x = % end if isempty(y) y = ...

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