Answered

looking for an efficient way to activate all fprintf in the function

If you are using a function, you can overload fprintf with a nested function. function myfunction(debug) fprintf('first...

looking for an efficient way to activate all fprintf in the function

If you are using a function, you can overload fprintf with a nested function. function myfunction(debug) fprintf('first...

plus de 9 ans ago | 3

| accepted

Answered

sum every 24 rows in a vector

I am not sure what all the code you posted has to do with anything ... If I have a 8760x1 array x = randn(8760, 1); I...

sum every 24 rows in a vector

I am not sure what all the code you posted has to do with anything ... If I have a 8760x1 array x = randn(8760, 1); I...

plus de 9 ans ago | 2

Answered

insert element in vector

While I think this is a homework problem ... Function handles and cat are your friends insert = @(a, x, n)cat(2, x(1:n)...

insert element in vector

While I think this is a homework problem ... Function handles and cat are your friends insert = @(a, x, n)cat(2, x(1:n)...

plus de 9 ans ago | 13

Answered

delete element from vector

I can think of three ways that are all slightly different a=[1,2,3,4,5]; If you want to get rid of all cases where |a| i...

delete element from vector

I can think of three ways that are all slightly different a=[1,2,3,4,5]; If you want to get rid of all cases where |a| i...

plus de 9 ans ago | 75

| accepted

Answered

What is the variable 'self' in MATLAB class?

There is nothing special about the variable "self". In MATLAB many people use "obj" instead. There is something special about th...

What is the variable 'self' in MATLAB class?

There is nothing special about the variable "self". In MATLAB many people use "obj" instead. There is something special about th...

plus de 9 ans ago | 2

Answered

MATLAB's JIT Engine

I am not sure it is possible to separate the MATLAB JIT accelerator from the rest of MATLAB. MATLAB is fast enough for most of w...

MATLAB's JIT Engine

I am not sure it is possible to separate the MATLAB JIT accelerator from the rest of MATLAB. MATLAB is fast enough for most of w...

plus de 9 ans ago | 0

Answered

retrieve mat-file version

You can use evalc to capture the output of type function tf = getmatv(fname) x = evalc(['type(''', fname, ''')']); ...

retrieve mat-file version

You can use evalc to capture the output of type function tf = getmatv(fname) x = evalc(['type(''', fname, ''')']); ...

plus de 9 ans ago | 1

| accepted

Answered

Is there something like a 'struct pointer' in Matlab?

I disagree with Walter and think MATLAB does provide this functionality in the OO HANDLE superclass. You can create a handle str...

Is there something like a 'struct pointer' in Matlab?

I disagree with Walter and think MATLAB does provide this functionality in the OO HANDLE superclass. You can create a handle str...

plus de 9 ans ago | 2

| accepted

Answered

regexprep with multiple expression

Is this what you want? ttxt = 'hello parish world borough foo census area bar'; regexprep(ttxt, ' parish| borough| censu...

regexprep with multiple expression

Is this what you want? ttxt = 'hello parish world borough foo census area bar'; regexprep(ttxt, ' parish| borough| censu...

plus de 9 ans ago | 1

Answered

Code in script is printing to command window

I can think of three ways of doing this. * Set break points to narrow down where the output occurs. This could involve a lot...

Code in script is printing to command window

I can think of three ways of doing this. * Set break points to narrow down where the output occurs. This could involve a lot...

plus de 9 ans ago | 5

Answered

How do I count the number of NaNs in a Vector?

This is a straight forward question and given you haven't shown any attempt to solve it, I am hesitant to provide an answer ... ...

How do I count the number of NaNs in a Vector?

This is a straight forward question and given you haven't shown any attempt to solve it, I am hesitant to provide an answer ... ...

plus de 9 ans ago | 8

| accepted

Answered

Question about 'lognrnd' function

Why not just test it: R = lognrnd(0, 8, 1e6, 1); std(R) ans = 1.8915e+13 std(log(R)) ans = 7.9976

Question about 'lognrnd' function

Why not just test it: R = lognrnd(0, 8, 1e6, 1); std(R) ans = 1.8915e+13 std(log(R)) ans = 7.9976

plus de 9 ans ago | 1

Answered

What frustrates you about MATLAB?

The number of MATLAB users using old versions who cannot cope with code written for new versions frustrates me. It would be easi...

What frustrates you about MATLAB?

The number of MATLAB users using old versions who cannot cope with code written for new versions frustrates me. It would be easi...

plus de 9 ans ago | 0

Answered

How is the MarkerSize of a 'Circle' marker defined

The circle marker size appears to be the number of points in the diameter. For the other markers, it is not so clear. You can cr...

How is the MarkerSize of a 'Circle' marker defined

The circle marker size appears to be the number of points in the diameter. For the other markers, it is not so clear. You can cr...

plus de 9 ans ago | 4

| accepted

Answered

Check if filename is valid.

A long time ago, probably Windows 95 on a FAT16 harddisk, I started using the following: regexp(fname, ['^(?!^(PRN|AUX|CLOC...

Check if filename is valid.

A long time ago, probably Windows 95 on a FAT16 harddisk, I started using the following: regexp(fname, ['^(?!^(PRN|AUX|CLOC...

plus de 9 ans ago | 3

Question

When to accept an answer for someone

TMW has now given many of us the power to accept answers for other people, but haven't provided any guidance as to when we shoul...

plus de 9 ans ago | 7 answers | 8

Question

MESSAGE function and error handling

I just stumbled across the MESSAGE function which takes a message identifier of the form foo:bar:id and creates an objec...

plus de 9 ans ago | 2 answers | 2

Answered

subclassing MException

There are a lot of places you can go wrong, and without the code, it is hard to guess... classdef testclass < MException ...

subclassing MException

There are a lot of places you can go wrong, and without the code, it is hard to guess... classdef testclass < MException ...

plus de 9 ans ago | 4

Question

MATLAB Stack Exchange

What do people think of the <http://area51.stackexchange.com/proposals/38040/matlab#_=_ MATLAB Stack Exchange> proposal?

plus de 9 ans ago | 2 answers | 3

Answered

command in Matlab equivalent to "forall " in fortran

The JIT accelerator that was introduced 10 years ago has sped up loops substantially, it is an unfortunate myth that MATLAB loop...

command in Matlab equivalent to "forall " in fortran

The JIT accelerator that was introduced 10 years ago has sped up loops substantially, it is an unfortunate myth that MATLAB loop...

plus de 9 ans ago | 1

| accepted

Answered

Scheduling a Matlab Script

You need to enclose the entire command in quotes. You do not need the path on the function/script you want to run and do not wan...

Scheduling a Matlab Script

You need to enclose the entire command in quotes. You do not need the path on the function/script you want to run and do not wan...

plus de 9 ans ago | 1

| accepted

Answered

What is the reasoning behind the fact that min(0,NaN) is 0?

Given the behavior of MIN, I find it odd that there is a NANMIN function.

What is the reasoning behind the fact that min(0,NaN) is 0?

Given the behavior of MIN, I find it odd that there is a NANMIN function.

plus de 9 ans ago | 2

Answered

What is it that I get from MATLAB function probplot?

Basically, if your data came from the chosen distribution (exponential/Weibull) then the blue data points would overlap the dash...

What is it that I get from MATLAB function probplot?

Basically, if your data came from the chosen distribution (exponential/Weibull) then the blue data points would overlap the dash...

plus de 9 ans ago | 1

Answered

Getting first element of a function output

See this <http://www.mathworks.com/matlabcentral/answers/1325-what-is-missing-from-matlab#answer_1931 answer> about what is miss...

Getting first element of a function output

See this <http://www.mathworks.com/matlabcentral/answers/1325-what-is-missing-from-matlab#answer_1931 answer> about what is miss...

plus de 9 ans ago | 3

Answered

Wish-list for MATLAB Answer sections.

That before/when the magic editor powers kick in (edit and delete buttons showing up everywhere) that an email is sent to the ed...

Wish-list for MATLAB Answer sections.

That before/when the magic editor powers kick in (edit and delete buttons showing up everywhere) that an email is sent to the ed...

plus de 9 ans ago | 0

Answered

Pause function in matlab for 1 millisecond

Getting millisecond timing accuracy is extremely difficult in most programming languages since the underlying clocks are just no...

Pause function in matlab for 1 millisecond

Getting millisecond timing accuracy is extremely difficult in most programming languages since the underlying clocks are just no...

plus de 9 ans ago | 4

Answered

Ensure x label never cut off

A "manual" method of fixing cutoff labels by making the axis smaller is relatively easy to implement. You pick a scale value tha...

Ensure x label never cut off

A "manual" method of fixing cutoff labels by making the axis smaller is relatively easy to implement. You pick a scale value tha...

plus de 9 ans ago | 1

| accepted

Answered

Play a wav sound in a loop without blocking it

You can use audioplayer instead of wavplay doc audioplayer Retriggering your sound card 100 times a second is going to b...

Play a wav sound in a loop without blocking it

You can use audioplayer instead of wavplay doc audioplayer Retriggering your sound card 100 times a second is going to b...

plus de 9 ans ago | 1

| accepted

Question

Query event queue

Is it possible to query the event queue (i.e., where callbacks wait for drawnow)? I have a for loop that takes a ~10 seconds ...

plus de 9 ans ago | 1 answer | 1

Answered

Calculation speed

Why not just use bench? doc bench Your lack of preallocation is probably distorting your results for your university des...

Calculation speed

Why not just use bench? doc bench Your lack of preallocation is probably distorting your results for your university des...

plus de 9 ans ago | 3