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Vector creation

Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

2 días ago

Solved

Doubling elements in a vector

Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

2 días ago

Solved

Flip the vector from right to left

Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

2 días ago

Solved

Whether the input is vector?

Given the input x, return 1 if x is vector or else 0.

2 días ago

Solved

Get the length of a given vector

Given a vector x, the output y should equal the length of x.

2 días ago

Solved

Project Euler: Problem 2, Sum of even Fibonacci

Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

4 días ago

Answered

snapshot problem in video processing

snapshot() is intended for use with a cameraboard object or webcam object and you are attempting you input an image object. You...

snapshot problem in video processing

snapshot() is intended for use with a cameraboard object or webcam object and you are attempting you input an image object. You...

4 días ago | 0

Solved

Project Euler: Problem 6, Natural numbers, squares and sums.

The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

5 días ago

Answered

How to graph data in cells?

Your data has an empty cell in it so the first step here is to remove that ToBeGraphed(cellfun(@isempty,ToBeGraphed))=[]; % rem...

How to graph data in cells?

Your data has an empty cell in it so the first step here is to remove that ToBeGraphed(cellfun(@isempty,ToBeGraphed))=[]; % rem...

7 días ago | 0

| accepted

Answered

Extract subset of time-curves from a 4D volume

I can reduce this to a single for loop which iterates through the timesteps but i'm not sure about doing this entirely without l...

Extract subset of time-curves from a 4D volume

I can reduce this to a single for loop which iterates through the timesteps but i'm not sure about doing this entirely without l...

18 días ago | 0

| accepted

Answered

Sum of elements in an array over x

a = [0.023 0.056 0.053 0.034 0.021 0.075 0.088]; result = sum(a(a>0.05))

Sum of elements in an array over x

a = [0.023 0.056 0.053 0.034 0.021 0.075 0.088]; result = sum(a(a>0.05))

25 días ago | 1

| accepted

Answered

Building a matrix inside a for loop

You could do it as follows: xlsData = xlsread('PartS_all.xlsx'); partID = xlsData(:,4); uPartID = unique(partID).'; % Unique ...

Building a matrix inside a for loop

You could do it as follows: xlsData = xlsread('PartS_all.xlsx'); partID = xlsData(:,4); uPartID = unique(partID).'; % Unique ...

alrededor de 2 meses ago | 0

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Answered

how to store coordinate values xy[] for randomly generate point

The format you used (based on the code you provided) is a structure and the format you are looking for is an array. To generate ...

how to store coordinate values xy[] for randomly generate point

The format you used (based on the code you provided) is a structure and the format you are looking for is an array. To generate ...

alrededor de 2 meses ago | 0

Answered

Multiple combinations of a matrix

Try the following, it should work for any size of M. function x = pairCombos(M) numRows = size(M,1); C = combnk(1:numRows,2...

Multiple combinations of a matrix

Try the following, it should work for any size of M. function x = pairCombos(M) numRows = size(M,1); C = combnk(1:numRows,2...

2 meses ago | 0

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Answered

How to reshape in 3D a downsampled matrix

Easiest thing to do would be just this: newData = data(1:factor:end,1:factor:end,1:factor:end);

How to reshape in 3D a downsampled matrix

Easiest thing to do would be just this: newData = data(1:factor:end,1:factor:end,1:factor:end);

2 meses ago | 0

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Answered

Using a for loop to graph values using different colors

If you want to use scatter so that the color depends on distance, this is how you do it: % Data clear all close all data = [...

Using a for loop to graph values using different colors

If you want to use scatter so that the color depends on distance, this is how you do it: % Data clear all close all data = [...

3 meses ago | 1

Answered

Finding Minimum Distance Between Points to Find Indexed Variable

If you don't have the statistics and machine learning toolbox you can do the following: [~,idx] = min(abs(dtamatrix(:,2) - Feli...

Finding Minimum Distance Between Points to Find Indexed Variable

If you don't have the statistics and machine learning toolbox you can do the following: [~,idx] = min(abs(dtamatrix(:,2) - Feli...

4 meses ago | 0

| accepted

Answered

Create multiple arrays with different names and specific data

It is possible to do exactly what you asked but that is considered a bad coding practice (explanation here). Why don't you st...

Create multiple arrays with different names and specific data

It is possible to do exactly what you asked but that is considered a bad coding practice (explanation here). Why don't you st...

4 meses ago | 0

| accepted

Answered

Creation of an automatic description image

It looks like you have a binary image but you uploaded it as a .jpeg, I have included 3 lines to "workaround" and get back to an...

Creation of an automatic description image

It looks like you have a binary image but you uploaded it as a .jpeg, I have included 3 lines to "workaround" and get back to an...

4 meses ago | 0

| accepted

Answered

How to crop a circle from an image?

Try the following tutorial: % Setup clear close all clc inputImg = imread('cameraman.tif'); % Show demo Image hf = figu...

How to crop a circle from an image?

Try the following tutorial: % Setup clear close all clc inputImg = imread('cameraman.tif'); % Show demo Image hf = figu...

4 meses ago | 0

| accepted

Answered

calculating area and perimeter for pap-smear image

There are numerous ways you could segment the nucleus, I elected here to threshold based on R,G,B values in the image. To work o...

calculating area and perimeter for pap-smear image

There are numerous ways you could segment the nucleus, I elected here to threshold based on R,G,B values in the image. To work o...

4 meses ago | 0

| accepted

Answered

I want to extract values from second column of the matrix which correspond to the range 6 to 7 of the first column. How to do it?

Let's say your matrix is called M, then you can extract rows from column 2 corresponding to those in column 1 which are between ...

I want to extract values from second column of the matrix which correspond to the range 6 to 7 of the first column. How to do it?

Let's say your matrix is called M, then you can extract rows from column 2 corresponding to those in column 1 which are between ...

4 meses ago | 0

| accepted

Answered

3-D matrix operations

Here's the method I was suggesting. The idea is to take the first value and add half the difference (effectively interpolating) ...

3-D matrix operations

Here's the method I was suggesting. The idea is to take the first value and add half the difference (effectively interpolating) ...

4 meses ago | 0

Answered

Read text file with string

You could use the readmatrix function as follows: filename = 'My2.TXK' opts = detectImportOptions(filename,'FileType','text') ...

Read text file with string

You could use the readmatrix function as follows: filename = 'My2.TXK' opts = detectImportOptions(filename,'FileType','text') ...

4 meses ago | 0

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Answered

Extract data (timestamps) from csv file

You could read the file in as a character vector with fileread and then use regexp as follows: filetext = fileread('Info.csv');...

Extract data (timestamps) from csv file

You could read the file in as a character vector with fileread and then use regexp as follows: filetext = fileread('Info.csv');...

4 meses ago | 0

| accepted

Answered

How to Interpolated data outliers

Generate some sample data: C = (1:3630).'; idxout = randperm(3630,500); % random index for outliers C(idxout) = C(idxout)+200...

How to Interpolated data outliers

Generate some sample data: C = (1:3630).'; idxout = randperm(3630,500); % random index for outliers C(idxout) = C(idxout)+200...

4 meses ago | 1

| accepted