Recent questions tagged matlab

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I created a 3-dimensional random data sets with 4 defined patterns/classes in MATLAB. I applied the K-means ... MATLAB code would be helpful! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matlab - Break out of proprietary toolbox after a given time

I am iterating through a large test matrix in MATLAB and calling second-party proprietary software (running in MATLAB) ... is taking too long? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matlab - How to clear the last line in the command window

I'm curious about the progress of the running program and I print some information about the current iteration such as: ... a new line or not? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matlab - Display the maximum surface in matplotlib?

I'm plotting multiple surfaces on the same figure using matplotlib, and I'd like to see only the topmost ... taking precedence over the other? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matlab - clean noise from an image

I need to know how to clean noise from an image with Matlab. lets look at this example: as you see ... identification will be easier. thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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651 views

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matlab - clean noise from an image

I need to know how to clean noise from an image with Matlab. lets look at this example: as you see ... identification will be easier. thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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787 views

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matlab - How to export non-blurry eps images?

I'm exporting an image in Matlab using the eps format, but it smooths the image. Matlab does not blur the ... is the resulting image using eps: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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683 views

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matlab - Create an array of strings

Is it possibe to create an array of strings in MATLAB within a for loop? For example, for i=1:10 Names(i)=' ... be able to do it this way. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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757 views

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matlab - examples to convert image to polar coordinates do it explicitly - want a slick matrix method

I am trying to convert an image from cartesian to polar coordinates. I know how to do it explicitly using for ... then be defined on the grid. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matlab - Detecting cycles in an adjacency matrix

Let A be the adjacency matrix for the graph G = (V,E). A(i,j) = 1 if the nodes i and j are ... solution in MATLAB. Thanks in advance, Eleanore. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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645 views

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matlab - Distance from Lat/Lng point to Minor Arc segment

I need to calculate the shortest distance from a lat/lng GPS point P to a line segment described by 2 other ... minor arcs on a great circle See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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800 views

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matlab - how to display elements of arrays in a .mat file in python

This is the first time that I try to work with ".mat" files. I am going to use the data of a ".mat" file, ... I need the elements of the f.key() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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517 views

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matlab concatenate each row from different excel file to new excel file

I have a folder include 10 excel files. Each of the excel file contain 5 sheets. I would like to concatenate ... . Does anyone can help me? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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664 views

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matlab - Show two different plots in one plot

I am working with Matcont in Matlab and I have a problem with plotting. I am using a special built-in ... the same Show function in matlab. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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607 views

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matlab - Permutations of parameters (i.e. Cartesian product) into a multi-dimensional array

I am interested in calculating a function on a bunch of permutations of parameter values. I want to keep it generic to N ... (3,2,2) == 322) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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693 views

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matlab - How can I put margins in an image?

I have a binary image of 18x18 pixels and I want to put margins around this image with the purpose of obtaining an ... have. How can I do it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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620 views

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matlab - How to use "csvread" when the contents in the file have different formats?

I have a .csv file and the format is shown below: mapping.csv 5188.40811,TMobileML 5131.40903,TMobileGregsapt 5119. ... . Thanks for your help:) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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matlab - Reading ALL variables in a .mat file with python h5py

I'm trying to pull in all the variables from a '.mat' v7.3 file, and turn them into NumPy arrays. Is there ... mat file" ...fill numpy array end See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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695 views

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matlab - How to create a polygon out of the outer cells of a contiguous patch of cells

I have below a contiguous patch of cells plotted in Matlab. The outer cells of the red patch have to be ... of edges in the resultant polygon! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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938 views

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matlab - Find n minimum values in an array

I am using Matlab 2012a. I have an array of k cells (say 1000). I need to find the 5 lowest values of this ... has an idea how to do that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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678 views

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matlab - How to compute only the diagonal of a matrix product in Octave?

Is there a way in Octave to compute and store only the diagonal of a matrix product? Basically like doing: vector ... so it should be possible. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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776 views

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matlab - Minor grid with solid lines & grey-color

I'm using the following to display the minor grid in my plot: grid(gca,'minor') set(gca,'MinorGridLineStyle',' ... grid style and two y-axis See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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matlab - How do I detect empty cells in a cell array?

How do I detect empty cells in a cell array? I know the command to remove the empty cell is a(1) = [], but I can't ... of a. I tried if a(i)==[] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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matlab - Using imnoise to add gaussian noise to an image

How do I add white Gaussian noise with SNR=5dB to an image using imnoise? I know that the syntax is: J = ... value to add noise to the image? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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739 views

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matlab - Creating 3D volume from 2D slice set of grayscale images

I am to create a 3D volume out of grayscale image set using Matlab. A set contains a continuous and ... Any suggestion is highly appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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824 views

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matlab - Solving matrices of the form Ax = B ==> error: Matrix is close to singular or badly scaled

I'm having trouble solving a system of the form Ax=B The solution to the system should be x = inv(A)*B ... run the inverse command. No dice. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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569 views

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matlab - How to convert an image into character segments?

Often in the process of OCR, an image file is essentially cut into segments, and each character is recgnised as a ... is this done for English? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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730 views

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matlab - cocktail party algorithm SVD implementation ... in one line of code?

In a slide within the introductory lecture on machine learning by Stanford's Andrew Ng at Coursera, he gives the ... in the first isolated tone. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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