Answered

Identify index of cell based on stringlength

Example data: Tstr{1}{1,1} = 'Hello... It me, I was wondering if after all these years youd like to meet'; Tstr{1}{2,1} = '18...

Identify index of cell based on stringlength

Example data: Tstr{1}{1,1} = 'Hello... It me, I was wondering if after all these years youd like to meet'; Tstr{1}{2,1} = '18...

5 maanden ago | 0

| accepted

Answered

bitget working with an example

As I'm sure you know, computers communicate at the lowest level with underlying switch-like states known as bits, whose digital ...

bitget working with an example

As I'm sure you know, computers communicate at the lowest level with underlying switch-like states known as bits, whose digital ...

5 maanden ago | 2

Answered

Getting error while deleting every row of the matrix M that contains the variable x

No need for any loops. Here's an example of data to work with M = randi(10,[10 3]); % sample data x = 3; % ...

Getting error while deleting every row of the matrix M that contains the variable x

No need for any loops. Here's an example of data to work with M = randi(10,[10 3]); % sample data x = 3; % ...

5 maanden ago | 1

Answered

Plotting doubles against cells

Here's an example, i've used X and Y in place of AAG and AAI to simplify: % example data X = arrayfun(@(x) cell(1,randi(1000,1...

Plotting doubles against cells

Here's an example, i've used X and Y in place of AAG and AAI to simplify: % example data X = arrayfun(@(x) cell(1,randi(1000,1...

5 maanden ago | 0

| accepted

Answered

Saving Output in a While Loop

You could store the letters as follows in the variable currentResult. I've added in some conditions to count lives. One could al...

Saving Output in a While Loop

You could store the letters as follows in the variable currentResult. I've added in some conditions to count lives. One could al...

5 maanden ago | 1

Submitted

codesearch

Quickly search all folders and subfolders from your user path for m-files that contain a specific search term.

5 maanden ago | 3 downloads |

Answered

Increase matrix size, with the first matrix a the center of the new matrix

There is a function made specifically for this called padarray, try the following example: A = rand(2000); B = padarray(A,[100...

Increase matrix size, with the first matrix a the center of the new matrix

There is a function made specifically for this called padarray, try the following example: A = rand(2000); B = padarray(A,[100...

11 maanden ago | 0

Answered

Rescale points plotted using scatter3 based on their distance from the origin

Yes. Firstly get distances from the origin: d = sqrt(sum(A.^2,2)); If you have the machine learning & statistics toolbox, you...

Rescale points plotted using scatter3 based on their distance from the origin

Yes. Firstly get distances from the origin: d = sqrt(sum(A.^2,2)); If you have the machine learning & statistics toolbox, you...

12 maanden ago | 0

| accepted

Answered

Extracting specific rows with different content from a large table array

Tnew = T(T.MatDate>=SpecificDay-30 & T.MatDate<=SpecificDay+10,:);

Extracting specific rows with different content from a large table array

Tnew = T(T.MatDate>=SpecificDay-30 & T.MatDate<=SpecificDay+10,:);

12 maanden ago | 1

Answered

How to pick the values from individual grids ?

The objective is to create an excel sheet with columns of data having different length. You can store data that has different le...

How to pick the values from individual grids ?

The objective is to create an excel sheet with columns of data having different length. You can store data that has different le...

12 maanden ago | 1

| accepted

Answered

Sample a 3D surface

If I understand correctly, you just want to generate some x,y values that match your z values (i.e. b): [x,y] = meshgrid(1:size...

Sample a 3D surface

If I understand correctly, you just want to generate some x,y values that match your z values (i.e. b): [x,y] = meshgrid(1:size...

12 maanden ago | 1

| accepted

Answered

vectorizing or speeding looped code

This should help, though I've already made assumptions about the sizes of arrays. How many rows/columns are in each variable? X...

vectorizing or speeding looped code

This should help, though I've already made assumptions about the sizes of arrays. How many rows/columns are in each variable? X...

12 maanden ago | 0

Answered

Efficiently calculating sum-thresholds across vector

You could do the following but with the caveat that it assumes samples are all positive values runningSum = cumsum(samples); i...

Efficiently calculating sum-thresholds across vector

You could do the following but with the caveat that it assumes samples are all positive values runningSum = cumsum(samples); i...

12 maanden ago | 0

| accepted

Answered

how to use an if statement to determine whether an index is out of bounds

If indices is outside of bounds, I want to display ''Error: index is out of bounds.' The conditional expression in your if bloc...

how to use an if statement to determine whether an index is out of bounds

If indices is outside of bounds, I want to display ''Error: index is out of bounds.' The conditional expression in your if bloc...

ongeveer een jaar ago | 0

Answered

How can I create different colors in the plotted chart for a lot of data

I'm coming at this from a slightly different angle. You can interactively highlight different lines by setting up a slider in th...

How can I create different colors in the plotted chart for a lot of data

I'm coming at this from a slightly different angle. You can interactively highlight different lines by setting up a slider in th...

ongeveer een jaar ago | 1

| accepted

Answered

how to get character from an array using another logical array?

A slight modification on your inputs: V = ['1b.%291x g'; 'yig&aaSgwa'; 'tqtbbs!?R!']; logicalVec = logical([ 1 0 1 0 1 0 1 ...

how to get character from an array using another logical array?

A slight modification on your inputs: V = ['1b.%291x g'; 'yig&aaSgwa'; 'tqtbbs!?R!']; logicalVec = logical([ 1 0 1 0 1 0 1 ...

ongeveer een jaar ago | 0

| accepted

Answered

How to find the most frequently repeated time interval?

First I read in data as a string array opts = detectImportOptions(filename,'TextType','string'); opts.SelectedVariableNames = ...

How to find the most frequently repeated time interval?

First I read in data as a string array opts = detectImportOptions(filename,'TextType','string'); opts.SelectedVariableNames = ...

ongeveer een jaar ago | 1

| accepted

Answered

How to find a corresponding matrix value

You can get the corresponding values in W as follows [mQ,idx] = max(Q,[],2,'linear') W(idx)

How to find a corresponding matrix value

You can get the corresponding values in W as follows [mQ,idx] = max(Q,[],2,'linear') W(idx)

ongeveer een jaar ago | 1

| accepted

Question

Issue with browser slowing down while using MATLAB answers

While writing/editing answers on the forum, I've been having issues where the tab in my google chrome browser that's in use beco...

ongeveer een jaar ago | 1 answer | 0

Answered

How to select different colors and legend for the bar plot??

For the first part of your question, you can do so as follows: x = rand(3,2); h = bar (x); h(1).FaceColor = 'red' h(2).FaceC...

How to select different colors and legend for the bar plot??

For the first part of your question, you can do so as follows: x = rand(3,2); h = bar (x); h(1).FaceColor = 'red' h(2).FaceC...

ongeveer een jaar ago | 1

| accepted

Answered

averaging the matrix and creating an averaged matrix

As far as I understand you want the average of each 5 rows by 10 columns hence the expected output size of 53x101. You can do th...

averaging the matrix and creating an averaged matrix

As far as I understand you want the average of each 5 rows by 10 columns hence the expected output size of 53x101. You can do th...

ongeveer een jaar ago | 0

Solved

Side of a rhombus

If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

ongeveer een jaar ago

Solved

Dimensions of a rectangle

The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

ongeveer een jaar ago

Solved

Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

ongeveer een jaar ago

Solved

Is this triangle right-angled?

Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

ongeveer een jaar ago

Solved

Find a Pythagorean triple

Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

ongeveer een jaar ago

Solved

Is this triangle right-angled?

Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

ongeveer een jaar ago

Solved

Length of a short side

Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

ongeveer een jaar ago

Solved

Natural numbers in string form

Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

ongeveer een jaar ago

Solved

Fix the last element of a cell array

Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...

ongeveer een jaar ago