Answered

how would i find a postive root

One way to find the roots is described <http://www.mathworks.com/matlabcentral/answers/103169-how-do-i-find-all-the-zeros-of-a-f...

how would i find a postive root

One way to find the roots is described <http://www.mathworks.com/matlabcentral/answers/103169-how-do-i-find-all-the-zeros-of-a-f...

6 years ago | 0

Answered

How to find the mean after every n columns?

NewMatrix = mymatrix(:,1:4:end); Youranswer = nanmean(NewMatrix , 2);

How to find the mean after every n columns?

NewMatrix = mymatrix(:,1:4:end); Youranswer = nanmean(NewMatrix , 2);

6 years ago | 0

Answered

Why is does the y axis of the graph have the same value all the way down?

Because |y(x)| barely changes in the interval |1*pi:0.1:pi|. Try a more densely spaced vector: i.e. x = -1*pi:pi/18...

Why is does the y axis of the graph have the same value all the way down?

Because |y(x)| barely changes in the interval |1*pi:0.1:pi|. Try a more densely spaced vector: i.e. x = -1*pi:pi/18...

6 years ago | 0

Answered

Newton Raphson m-file

I would recommend to take a look at Cleve Moler's book <http://nl.mathworks.com/moler/chapters.html Numerical Computing with M...

Newton Raphson m-file

I would recommend to take a look at Cleve Moler's book <http://nl.mathworks.com/moler/chapters.html Numerical Computing with M...

6 years ago | 0

Answered

Differentiation of a vector wrt a vetor

Assuming |Ls| and |delk| are of the same size: diff(Ls)./diff(delk)

Differentiation of a vector wrt a vetor

Assuming |Ls| and |delk| are of the same size: diff(Ls)./diff(delk)

6 years ago | 0

| accepted

Answered

.jpg as a background on gui

You can create a figure and remove the MenuBar. In this figure you can display your image, whose |parent| is an axis. You can se...

.jpg as a background on gui

You can create a figure and remove the MenuBar. In this figure you can display your image, whose |parent| is an axis. You can se...

6 years ago | 0

Answered

how compare two cplumns from different matrix;

Hallo Thodoris. [~, ii] = min(abs(bsxfun(@minus,A(:, 1)',B(:,1)))); % These are the row indexes of B(:,1) which are neare...

how compare two cplumns from different matrix;

Hallo Thodoris. [~, ii] = min(abs(bsxfun(@minus,A(:, 1)',B(:,1)))); % These are the row indexes of B(:,1) which are neare...

6 years ago | 0

| accepted

Answered

Imaqtool cannot find any devices

As from Matlab version R2014b, you must manually install the video adapters for your camera. Read: <http://nl.mathworks.com/hel...

Imaqtool cannot find any devices

As from Matlab version R2014b, you must manually install the video adapters for your camera. Read: <http://nl.mathworks.com/hel...

6 years ago | 0

Answered

Using a timer to execute a function

A simple timer: t = timer('BusyMode', 'Drop', ... 'ExecutionMode', 'fixedDelay', ... 'S...

Using a timer to execute a function

A simple timer: t = timer('BusyMode', 'Drop', ... 'ExecutionMode', 'fixedDelay', ... 'S...

6 years ago | 0

| accepted

Answered

link x-axis from one figure with y-axis from another figure

You could create a callback and then add a listener. So a minimal example would be: CallBack: function test(src, evt, ax...

link x-axis from one figure with y-axis from another figure

You could create a callback and then add a listener. So a minimal example would be: CallBack: function test(src, evt, ax...

6 years ago | 0

| accepted

Answered

How to change the cell color of UITABLE in MATLAB?

Based on <http://nl.mathworks.com/help/matlab/ref/uitable-properties.html this> and <http://stackoverflow.com/questions/7409766/...

How to change the cell color of UITABLE in MATLAB?

Based on <http://nl.mathworks.com/help/matlab/ref/uitable-properties.html this> and <http://stackoverflow.com/questions/7409766/...

6 years ago | 0

| accepted

Answered

How to save data of UITABLE in Workspace

If you want to get the data whenever the data change use this: f = figure; d = randi(100, 7, 3); t = uitable(f,'Dat...

How to save data of UITABLE in Workspace

If you want to get the data whenever the data change use this: f = figure; d = randi(100, 7, 3); t = uitable(f,'Dat...

6 years ago | 1

Answered

Array input through MATALB - GUI

Yes it is possible with <http://nl.mathworks.com/help/matlab/ref/uitable.html uitable>. Check also the <http://nl.mathworks.com...

Array input through MATALB - GUI

Yes it is possible with <http://nl.mathworks.com/help/matlab/ref/uitable.html uitable>. Check also the <http://nl.mathworks.com...

6 years ago | 0

| accepted

Answered

Question about YDir, reverse

It should be set(gca, 'Ydir', 'reverse') The |plot| as mentioned above does not have a property |Ydir|. However...

Question about YDir, reverse

It should be set(gca, 'Ydir', 'reverse') The |plot| as mentioned above does not have a property |Ydir|. However...

6 years ago | 0

Answered

How to translate cartesian coordinates into polar coordinates?

Your function is |cart2pol|. Check <http://nl.mathworks.com/help/matlab/ref/cart2pol.html here> for more help.

How to translate cartesian coordinates into polar coordinates?

Your function is |cart2pol|. Check <http://nl.mathworks.com/help/matlab/ref/cart2pol.html here> for more help.

6 years ago | 0

Answered

How can I use a USB webcam on Ubuntu linux 64-bit with MATLAB R2014b?

I have exactly the same problem with the same configuration (Check a similar post <http://www.mathworks.com/matlabcentral/answer...

How can I use a USB webcam on Ubuntu linux 64-bit with MATLAB R2014b?

I have exactly the same problem with the same configuration (Check a similar post <http://www.mathworks.com/matlabcentral/answer...

6 years ago | 0

Question

Install video adapters in R2014b on Ubuntu 14.04 64bit system

I have a Ubuntu 14.04 64bit system on which I have installed R2014b. With previous versions of the Image Acquisition Toolbox, ...

6 years ago | 0 answers | 0

Answered

Index of first empty cell in array?

If you want to add a certain value to each of the none empty rows in column 3 maybe you try the following: array(cellfun(@(x...

Index of first empty cell in array?

If you want to add a certain value to each of the none empty rows in column 3 maybe you try the following: array(cellfun(@(x...

7 years ago | 0

Answered

How can I change the elements of a matrix when hovering over its figure with the mouse?

Hi Bogdan! Maybe you can try this: close all; clear all; clc; fig = figure; set(fig, 'Color',[0,0.5,0.5]); g...

How can I change the elements of a matrix when hovering over its figure with the mouse?

Hi Bogdan! Maybe you can try this: close all; clear all; clc; fig = figure; set(fig, 'Color',[0,0.5,0.5]); g...

7 years ago | 0

| accepted

Answered

How can i make a n-pointed star?

Hello student from Korea! Why don't you try this? q = 4; % connect every qth point out of p points mingon = 2*q + 1;...

How can i make a n-pointed star?

Hello student from Korea! Why don't you try this? q = 4; % connect every qth point out of p points mingon = 2*q + 1;...

7 years ago | 5

Answered

How do I replace zeroes in a <logical> 0 and 1 array with NaNs?

It didn't work because you were trying to replace logical values (the zeros/false) with doubles (the NaN). So first, convert th...

How do I replace zeroes in a <logical> 0 and 1 array with NaNs?

It didn't work because you were trying to replace logical values (the zeros/false) with doubles (the NaN). So first, convert th...

7 years ago | 0

| accepted

Question

Output class object inherits the property/value pairs of a figure

I am trying to write a simple class. The purpose of the class is to create a figure. What I do is: classdef myFig < ha...

7 years ago | 2 answers | 0

Answered

Rendering issues in Matlab R2014b version when using patch

Thank you Mike for you input. The simplest workaround that can overcome this problem is setting the value |lm| very low. i.e. ...

Rendering issues in Matlab R2014b version when using patch

Thank you Mike for you input. The simplest workaround that can overcome this problem is setting the value |lm| very low. i.e. ...

7 years ago | 0

Question

Rendering issues in Matlab R2014b version when using patch

I am using |patch| to shade an area in a graph. The code that I am using is simple: lm = 0; s = 1:1000; d = [ones(1...

7 years ago | 3 answers | 1

Solved

Back and Forth Rows

Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

7 years ago

Answered

uicontrol text background color - value must be numeric

In your |uicontrol| when you use the |Fontsize| property remove the apostrophes around 12. It should be double not string.

uicontrol text background color - value must be numeric

In your |uicontrol| when you use the |Fontsize| property remove the apostrophes around 12. It should be double not string.

7 years ago | 0

| accepted

Answered

How do I remove rows with NaNs from my raw data?

I assume that your data are of nx1 or 1xn size. Then to delete the use this: data(isnan(data)) = [];

How do I remove rows with NaNs from my raw data?

I assume that your data are of nx1 or 1xn size. Then to delete the use this: data(isnan(data)) = [];

7 years ago | 0

Answered

Comparing two arrays of different length

You could this to find it: idx = ismember(A', B', 'rows'); c = 1:size(A, 2); d = c(idx); % is your answer

Comparing two arrays of different length

You could this to find it: idx = ismember(A', B', 'rows'); c = 1:size(A, 2); d = c(idx); % is your answer

7 years ago | 2

| accepted