Answered

Does relative velocity vector lie on the line?

define a vector between the two points and check if the cross product of the delta velocity and the connection vector is 0. so i...

Does relative velocity vector lie on the line?

define a vector between the two points and check if the cross product of the delta velocity and the connection vector is 0. so i...

ungefär 7 år ago | 1

Answered

points too close XY space

assuming only neighboring points are of interest: % find close points, add first index because diff is one shorter than x ...

points too close XY space

assuming only neighboring points are of interest: % find close points, add first index because diff is one shorter than x ...

ungefär 7 år ago | 0

Answered

How can I count the occurrences of each element in a vector in MATLAB?

here is another one: sum(bsxfun(@eq,x,x'),1) or if you want the output to be the same orientation as input sum(bsxf...

How can I count the occurrences of each element in a vector in MATLAB?

here is another one: sum(bsxfun(@eq,x,x'),1) or if you want the output to be the same orientation as input sum(bsxf...

ungefär 7 år ago | 3

Answered

matlab 2016a figure window incorrect position and size

If the problem still exists, just add this line to the startup.m in your startup directory or your userpath. set(0,'default...

matlab 2016a figure window incorrect position and size

If the problem still exists, just add this line to the startup.m in your startup directory or your userpath. set(0,'default...

ungefär 7 år ago | 1

| accepted

Answered

Convert matrix to vector of structs

simpler without any external functions olderpatients = structfun(@(X) X(data.age>80),data,'Uni',false);

Convert matrix to vector of structs

simpler without any external functions olderpatients = structfun(@(X) X(data.age>80),data,'Uni',false);

mer än 7 år ago | 1

Answered

How can I assign data from multiple spreadsheets to the same vector using one of the columns as the variable name?

I copied your example sheet to example.xlsx and tested the code below. Please Note the remarks, I would not recommend the use of...

How can I assign data from multiple spreadsheets to the same vector using one of the columns as the variable name?

I copied your example sheet to example.xlsx and tested the code below. Please Note the remarks, I would not recommend the use of...

nästan 8 år ago | 1

Answered

Why doesn't the quiver object property MaxHeadSize work?

Here's my findings... Testcode: function tst close all figure(3) clf; hold on for ii = 1:15 ...

Why doesn't the quiver object property MaxHeadSize work?

Here's my findings... Testcode: function tst close all figure(3) clf; hold on for ii = 1:15 ...

ungefär 8 år ago | 0

Answered

Merging 10 scatter plots produced with different RNG sequences

you can access the data of each plot by X=cell(10,1) Y=X for ii = 1:10 f = open('figure_ii.fig') % use the cor...

Merging 10 scatter plots produced with different RNG sequences

you can access the data of each plot by X=cell(10,1) Y=X for ii = 1:10 f = open('figure_ii.fig') % use the cor...

ungefär 8 år ago | 0

Answered

Are there any predefined discrete color set with optimal neighboring contrasts?

have a look at this: <http://www.mathworks.com/matlabcentral/fileexchange/29702-generate-maximally-perceptually-distinct-colors...

Are there any predefined discrete color set with optimal neighboring contrasts?

have a look at this: <http://www.mathworks.com/matlabcentral/fileexchange/29702-generate-maximally-perceptually-distinct-colors...

ungefär 8 år ago | 1

Question

determine axes handle to which a legend belongs

Hi, pre 2014b I was able to use the following to get the axes handle to which a legend belongs figure; plot(sin(0:0.1...

ungefär 8 år ago | 1 answer | 0

Question

get plot handles from existing legend from 2014b on

On pre 2014b graphic handling the following code to retrieve the displayed strings and the handles of the referenced plot elemen...

mer än 8 år ago | 1 answer | 0

Answered

Hello, I have 50 text files and i want to pick same value from each having known row and column. there are 25 column and 5765 rows in my text files. Help me Please i m new in Matlab.

first of all: please note the rules for posting questions! bad title, "new to matlab" and so on... now my answer: hel...

Hello, I have 50 text files and i want to pick same value from each having known row and column. there are 25 column and 5765 rows in my text files. Help me Please i m new in Matlab.

first of all: please note the rules for posting questions! bad title, "new to matlab" and so on... now my answer: hel...

mer än 8 år ago | 0

Answered

how to delete duplicate values in a cell array of characters

a={'1';'1';'1';'1';'1';'3';'3';'3';'3';'3';'3';'4';'4';'4';'4'}; [~,c,~]=unique(a); tmp=true(size(a)); tmp(c)=false; ...

how to delete duplicate values in a cell array of characters

a={'1';'1';'1';'1';'1';'3';'3';'3';'3';'3';'3';'4';'4';'4';'4'}; [~,c,~]=unique(a); tmp=true(size(a)); tmp(c)=false; ...

mer än 8 år ago | 1

| accepted

Answered

How to find the second interesection between two plots?

try: http://www.mathworks.com/matlabcentral/fileexchange/11837-fast-and-robust-curve-intersections

How to find the second interesection between two plots?

try: http://www.mathworks.com/matlabcentral/fileexchange/11837-fast-and-robust-curve-intersections

mer än 9 år ago | 0

Answered

How to force Matlab to only plot some selected strings on the x-axis?

set(gca, 'XTick', 1:100:n, 'XTickLabel', dates(1:100:n,:));

How to force Matlab to only plot some selected strings on the x-axis?

set(gca, 'XTick', 1:100:n, 'XTickLabel', dates(1:100:n,:));

mer än 9 år ago | 1

Answered

Helping adding Tittle to Plot (multititle)

title(['my title' var1 var2]) depending on the variable type, you may have to convert to string and add separators like white...

Helping adding Tittle to Plot (multititle)

title(['my title' var1 var2]) depending on the variable type, you may have to convert to string and add separators like white...

mer än 9 år ago | 0

Answered

How to not include an item in a legend

ok, here's the solution: you can tell legend() with which plot handle the legend entry is associated, by: clf; plot(rand...

How to not include an item in a legend

ok, here's the solution: you can tell legend() with which plot handle the legend entry is associated, by: clf; plot(rand...

mer än 9 år ago | 3

Answered

How to not include an item in a legend

you could add the data set with the black boxes at last and then only define 2 legend entries.

How to not include an item in a legend

you could add the data set with the black boxes at last and then only define 2 legend entries.

mer än 9 år ago | 0

Answered

Creating a three column table from matrix

Hi, because you want a string in your 4th column, you need a cell array. here's my q&d solution: A=rand(3,3); new = c...

Creating a three column table from matrix

Hi, because you want a string in your 4th column, you need a cell array. here's my q&d solution: A=rand(3,3); new = c...

mer än 9 år ago | 0

| accepted

Answered

How determine type of plot object?

here's the probably dirtiest code I've written so far, but does, what you want: % make an example plot with several classes...

How determine type of plot object?

here's the probably dirtiest code I've written so far, but does, what you want: % make an example plot with several classes...

nästan 10 år ago | 0

| accepted

Answered

how to adress a single character in a chart axis title via Matlab COM/ActiveX

If I had known, how to use the get command properly, I would by then have known, that get(pplab,'Characters',n,1) gives me the h...

how to adress a single character in a chart axis title via Matlab COM/ActiveX

If I had known, how to use the get command properly, I would by then have known, that get(pplab,'Characters',n,1) gives me the h...

nästan 10 år ago | 0

Answered

Add second y-axis to excel plot

hi anda, if you have data in your chart, that's supposed to be scaled to the secondary y-axis, just move the plot there, here...

Add second y-axis to excel plot

hi anda, if you have data in your chart, that's supposed to be scaled to the secondary y-axis, just move the plot there, here...

ungefär 10 år ago | 0

Answered

how to adress a single character in a chart axis title via Matlab COM/ActiveX

Finally, I found a workaround! Here's an example str = 'foobar'; subscr = round(rand(length(str),1)); xls = actxserv...

how to adress a single character in a chart axis title via Matlab COM/ActiveX

Finally, I found a workaround! Here's an example str = 'foobar'; subscr = round(rand(length(str),1)); xls = actxserv...

ungefär 10 år ago | 0