Answered

randomly select elements of an array without repeat and create a matrix with these elements as rows

"1 to n. I want to choose m integers withiut replacement p times out of these integers, " What does the above mean, precisely? ...

randomly select elements of an array without repeat and create a matrix with these elements as rows

"1 to n. I want to choose m integers withiut replacement p times out of these integers, " What does the above mean, precisely? ...

4 jours ago | 0

| accepted

Answered

How to speed up the following Matlab script? Can anyone suggest me to speed up the process?

Since you're doing all the work only to return coherence, look at doc mscohere to return the coherence directly with all the ...

How to speed up the following Matlab script? Can anyone suggest me to speed up the process?

Since you're doing all the work only to return coherence, look at doc mscohere to return the coherence directly with all the ...

5 jours ago | 1

| accepted

Answered

MATLAB Answers Wish-list #5 (and bug reports)

At least w/ Firefox, recently the scroll wheel acts to reduce the size of the response textbox such that what is being typed get...

MATLAB Answers Wish-list #5 (and bug reports)

At least w/ Firefox, recently the scroll wheel acts to reduce the size of the response textbox such that what is being typed get...

5 jours ago | 0

Answered

Control decimal places of contour labels

Yet another case where TMW (The MathWorks) has been too aggressive in hiding stuff that clearly users would want to and should b...

Control decimal places of contour labels

Yet another case where TMW (The MathWorks) has been too aggressive in hiding stuff that clearly users would want to and should b...

5 jours ago | 1

| accepted

Answered

How to read the specific colums from 12 excel files in a folder and then plot it

Other than superfluous stuff that doesn't need to be in the loop, nothing appears to be wrong in the basic code... Oh! Now I s...

How to read the specific colums from 12 excel files in a folder and then plot it

Other than superfluous stuff that doesn't need to be in the loop, nothing appears to be wrong in the basic code... Oh! Now I s...

5 jours ago | 1

| accepted

Answered

Building a "Typical Year" from averaging daily-hourly data over several years

<AnsweredComment> OK, the conversation in the other thread turned into more interesting one than I initially anticipated; I tho...

Building a "Typical Year" from averaging daily-hourly data over several years

<AnsweredComment> OK, the conversation in the other thread turned into more interesting one than I initially anticipated; I tho...

5 jours ago | 1

| accepted

Answered

How to read this kind of info out of a txt file and post them into Excel files?

Basically, just read the file record-by-record searching for the matching header strings and when find a section header, then re...

How to read this kind of info out of a txt file and post them into Excel files?

Basically, just read the file record-by-record searching for the matching header strings and when find a section header, then re...

7 jours ago | 0

| accepted

Answered

How to average monthly data using a specific method in Matlab?

There may be a more clever way, but brute force seems straightforward enough... A=reshape(vectorA,3,[]); ...

How to average monthly data using a specific method in Matlab?

There may be a more clever way, but brute force seems straightforward enough... A=reshape(vectorA,3,[]); ...

8 jours ago | 0

| accepted

Answered

How to retrieve multiple values from a 3D array

Ignoring the excessively verbose variable names that keeps code from being visible without scrolling or breaking line and thereb...

How to retrieve multiple values from a 3D array

Ignoring the excessively verbose variable names that keeps code from being visible without scrolling or breaking line and thereb...

8 jours ago | 0

Answered

Computing the number of variables belonging to each data type

How about n_cl=countcats(categorical(varfun(@class,M,'OutputFormat','cell')))

Computing the number of variables belonging to each data type

How about n_cl=countcats(categorical(varfun(@class,M,'OutputFormat','cell')))

8 jours ago | 0

| accepted

Answered

Can I plot a line function, and a plot function under an if statement?

"can put a line and plot function under an if statement. ...? It works when I try it ..." It would seem you've answered your ow...

Can I plot a line function, and a plot function under an if statement?

"can put a line and plot function under an if statement. ...? It works when I try it ..." It would seem you've answered your ow...

9 jours ago | 0

| accepted

Answered

Reading Specific numbers from a text file

fileID = fopen(filename); Cdata = textscan(fileID,'%f32 %f32 %f32','HeaderLines',5); % find the point coordi...

Reading Specific numbers from a text file

fileID = fopen(filename); Cdata = textscan(fileID,'%f32 %f32 %f32','HeaderLines',5); % find the point coordi...

9 jours ago | 0

| accepted

Answered

How to protect arbitrary variable names

Functions have their own workspace although internal and anonymous functions share their context with the containing workspace.....

How to protect arbitrary variable names

Functions have their own workspace although internal and anonymous functions share their context with the containing workspace.....

10 jours ago | 0

| accepted

Answered

displaying element of matrix

To use disp and have two decimal points, use format bank first, otherwise will get whatever precision is associated with the cur...

displaying element of matrix

To use disp and have two decimal points, use format bank first, otherwise will get whatever precision is associated with the cur...

12 jours ago | 0

Answered

How to plot 3 graphs in 1 figure?

There's an example of 2 on top and one on bottom that should have given the clue of how to bo about it... hAx(1)=subplot(2,2,1)...

How to plot 3 graphs in 1 figure?

There's an example of 2 on top and one on bottom that should have given the clue of how to bo about it... hAx(1)=subplot(2,2,1)...

12 jours ago | 1

| accepted

Answered

Need to run two counters in a foor loop

If you describe the real problem to be solved instead, it'll lead to more efficient getting to the right answer, but if the resu...

Need to run two counters in a foor loop

If you describe the real problem to be solved instead, it'll lead to more efficient getting to the right answer, but if the resu...

13 jours ago | 0

Answered

How can I find peak from matrix

What's wrong with what you've done for the one? findpeaks is one of the functions that has not been vectorized (owing to its co...

How can I find peak from matrix

What's wrong with what you've done for the one? findpeaks is one of the functions that has not been vectorized (owing to its co...

13 jours ago | 0

Answered

Write a tabbed matrix in a txt file

Read the rest of the documentation for dlmwrite -- Name-Value Pair Arguments ... 'precision' — Numeric precision ...

Write a tabbed matrix in a txt file

Read the rest of the documentation for dlmwrite -- Name-Value Pair Arguments ... 'precision' — Numeric precision ...

14 jours ago | 0

| accepted

Answered

Full Factorial Design of Experiments

"I know about the matlab function fullfact([,]) but since I will use decimal numbers i needed a differen solution." There's no ...

Full Factorial Design of Experiments

"I know about the matlab function fullfact([,]) but since I will use decimal numbers i needed a differen solution." There's no ...

14 jours ago | 1

| accepted

Answered

for loop to subtract every element from the first element for a given trial

Another job for varfun and grouping variables-- tt.TrialTime=cell2mat(rowfun(@(m)m-m(1),tt,'GroupingVariables','TrialNumber', ....

for loop to subtract every element from the first element for a given trial

Another job for varfun and grouping variables-- tt.TrialTime=cell2mat(rowfun(@(m)m-m(1),tt,'GroupingVariables','TrialNumber', ....

14 jours ago | 0

| accepted

Answered

How do I make two arrays go from largest to smallest?

[a,ix] = sort([4 8 11 7],'descend'); % keep the optional original order vector when sort b = b(ix); ...

How do I make two arrays go from largest to smallest?

[a,ix] = sort([4 8 11 7],'descend'); % keep the optional original order vector when sort b = b(ix); ...

15 jours ago | 1

| accepted

Answered

how to plot cell array and how to get its imaginary part?

Use cell indexing expressions-- >> c={[rand(4,1),rand(4,1)]}; % presume the format described for some sample data >> c{:} ...

how to plot cell array and how to get its imaginary part?

Use cell indexing expressions-- >> c={[rand(4,1),rand(4,1)]}; % presume the format described for some sample data >> c{:} ...

20 jours ago | 0

| accepted

Answered

Understanding the structfun() or cellfun() commands

As the error message and doc says, structfun applies a function to each field in a scalar struct; you have a struct array -- not...

Understanding the structfun() or cellfun() commands

As the error message and doc says, structfun applies a function to each field in a scalar struct; you have a struct array -- not...

20 jours ago | 0

Answered

How can I find mean crossing irregularity?

z=randn(1,1000); % sample dataset zs=(detrend(z)>0); % convert to binary at mean iz=diff(find([0 zs])); % crossin...

How can I find mean crossing irregularity?

z=randn(1,1000); % sample dataset zs=(detrend(z)>0); % convert to binary at mean iz=diff(find([0 zs])); % crossin...

25 jours ago | 0

Answered

Assign same linewidth to a grouped barplot

You can't use the "dot" notation with an array of handles, anyway; must use set here, or a looping construct of some sort. se...

Assign same linewidth to a grouped barplot

You can't use the "dot" notation with an array of handles, anyway; must use set here, or a looping construct of some sort. se...

30 jours ago | 1

Answered

How to compare two columns in a table and delete that row having same values in that columns?

c=string({'column1' 'column 2' 'columns3' 'ball' 'bat' 'gloves' 'bat' 'gloves' 'bat' 'ball' ...

How to compare two columns in a table and delete that row having same values in that columns?

c=string({'column1' 'column 2' 'columns3' 'ball' 'bat' 'gloves' 'bat' 'gloves' 'bat' 'ball' ...

environ un mois ago | 0

Answered

Error using corrplot function

OK, I played with one of the sample datasets used for illustrating some other regression stuff...it is possible to start with pl...

Error using corrplot function

OK, I played with one of the sample datasets used for illustrating some other regression stuff...it is possible to start with pl...

environ un mois ago | 0

Answered

Binomial Distribution when mean and variance is given

Well, sometimes one is given a nonsensical problem -- if so, then one has to inform the requestor of the fact and get a differen...

Binomial Distribution when mean and variance is given

Well, sometimes one is given a nonsensical problem -- if so, then one has to inform the requestor of the fact and get a differen...

environ un mois ago | 0

| accepted

Answered

2 digits after the dot

In the first case, you'll have to use >> string(arrayfun(@(n)sprintf('%.2f',n),vals,'UniformOutput',false)) ans = 2×3 str...

2 digits after the dot

In the first case, you'll have to use >> string(arrayfun(@(n)sprintf('%.2f',n),vals,'UniformOutput',false)) ans = 2×3 str...

environ un mois ago | 0

| accepted

Answered

Generating a heat map of adjacency matrix

Presuming you want the displayed values of the cells to still be their totals, then s = [1 1 1 2 2 3]; t = [2 3 4 5 6 7]; G =...

Generating a heat map of adjacency matrix

Presuming you want the displayed values of the cells to still be their totals, then s = [1 1 1 2 2 3]; t = [2 3 4 5 6 7]; G =...

environ un mois ago | 0

| accepted