Matlab r2010a working license file download






















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It's recommended to use the more robust first version instead of this version. The second method is if the files that you want to process are sequentially numbered , like "file1.

Also note the three different ways of building the file name for mat files, image files, or text files - you can use your favorite way. Typically you'd use just one of the options, not all of them, so delete the two you don't need. In the above code, matData, imageData, and textData will get overwritten each time.

You should save them to an array or cell array if you need to use them outside the loop, otherwise use them immediately inside the loop. A third, newer method to process a sequence of files is to use the fileDatastore function, introduced in Ra. This function has the advantage of being able to automatically get a list of your file pattern in subfolders, as well as the main folder. If the file has nothing but numbers separated by whitespace, and has a constant number of columns through the entire file, you can just type load myfile.

The first line is the column headers line and says what the fields of the table will be called. The function TEXTREAD is more flexible still and allows you to skip lines at the beginning, ignore certain comment lines, read text as well as numbers, and more. Type help textread for more info. If you are dealing with a more complicated file try XLSREAD, for example when opening a csv file with only partially numerical content. For example. Just attach any variables that you want to make global to the UserSettings structure.

Now, any other function that declares UserSettings as global will have access to all of the member fields of UserSettings. Other functions that do not have the "global UserSettings" line in them will not be able to see the UserSettings global variable.

It is not global unless the global line is included in the function. If you're using global variables because you want to share variables between functions, look at the section on How can I share data between callback functions in my GUI.

That section of this FAQ lists some alternatives to using global variables. The logical vectors created from logical and relational operations can be used to reference subarrays. Suppose X is an ordinary matrix and L is a matrix of the same size that is the result of some logical operation. Then X L specifies the elements of X where the elements of L are nonzero. I've discovered to my horror that structs take up an obscene amount of overhead I'm running version 5.

I have this stored in a 1 x data structure, and when I issue the whos command, it tells me that the data now takes up 27,, bytes! Each array has some overhead, like data type, array sizes, etc. In your second implementation index using data. Note that in your data, for each observation, you have 13 arrays with one value. I don't know how large the matrix header exactly is, but it is a waste putting only a single value in it!

I think Cris has hit it exactly. Each one of these matrices adds an additional bytes, for This still comes up a little short of the amount reported, but it is fairly close. It is much more efficient, both for storage and computation, to use a struct of arrays rather than an array of structs.

The debug memory manager cannot catch your code the instant it writes out of bounds tools like Purify can do this but the performance hit they induce is quite painful. What it will catch is that in general, when you write outside of one memory block you end up writing into another, corrupting it or in the case of the debug memory manager hopefully corrupting only a guard band. When you later free the memory, we can tell you that you walked off the end of the block and corrupted the guard band.

In many programming languages, boolean operators like AND and OR will stop evaluating as soon as the result is known. For instance,. In all other contexts, all parts of the conditional are evaluated. Why can't I create this MB matrix?

First of all, issue the command "memory" in the command window to see how much memory is available on your computer. It should return something like this:. Remember that double precision floats take up 8 bytes. So a million element vector takes up 8Mbytes.

Be sure you're estimating properly. Many operations need to create duplicate matrices. In order to work around this issue, one solution is to pre-allocate memory by creating an initial matrix of zeros with the final size of the matrix being populated in the FOR loop. You should read the following Mathworks article: Technical Solution for a more complete discussion of this problem. This allows one replace any or all of the parameters with dynamically generated strings.

If you are attempting to use pass-by-reference to modify the input argument passed into a function, the answer to the question depends on whether the input is a handle object or a value object.

By default, objects including matrices, arrays, etc. Handle objects do exhibit reference behavior when passed as function arguments; value objects do not. When you pass a handle object to a function, MATLAB still copies the value of the argument to the parameter variable in the function with one bit of subtlety; see below. However, all copies of a handle object refer to the same underlying object.

If a function modifies a handle object passed as an input argument, the modification affects the object referenced by both the original and copied handles. In this case, the function does not need to return the result to be reassigned. If instead you are attempting to use pass-by-reference to avoid unnecessary copying of data into the workspace of the function you're calling, you should be aware that MATLAB uses a system commonly called "copy-on-write" to avoid making a copy of the input argument inside the function workspace until or unless you modify the input argument.

For instance, in this code:. If on the other hand, you called this function:. The term "function functions" refers to functions in MATLAB and the toolboxes that accept a function usually a function handle and evaluate that function repeatedly during the course of their work.

Some examples of "function functions" are:. There are several documents on The MathWorks support website that shows examples of how to pass additional parameters to the functions used by the "function functions".

When a function is cleared from memory using the CLEAR function, breakpoints in that file are also cleared. If you want to have your program stop execution and enter debug mode regardless of whether or not you have cleared it, insert a call to the KEYBOARD function into the code at the location where you want to enter debug mode.

Since EVAL is so powerful, it is easy to misuse the function. In a way, the EVAL function is a lot like global variables; both are tools that are so easy to use that it might be easier to use them rather than to search for a more elegant, safer, and appropriate solution. EVAL can be used to alter arbitrary variables. In addition, two related functions, evalin and assignin, can be used to alter variables in different function workspaces. These functions can create bugs which are difficult to reproduce and nearly impossible to eliminate.

Further explanation, and The Mathworks official warning against using eval, can be found in Mathworks Tech Note It may not be there to read in or may not be written out to the folder that you expected. If another function call used the cd function to change the current folder, then you would be looking to that folder when you tried to read in a file or write out a file.

If you thought that you were looking at a different folder, then you'll get a "file not found" error upon trying to read in a file, or else not find the file in that folder that you thought you wrote out to. It would be best if any code that used cd saved and restored the original folder:. It's much, much better to not use cd and instead create the full-blown explicit filename with functions such as sprintf , fileparts , and fullfile.

Because if you have the full path name of the file, you'll know for certain where it will get saved to or read from. See the following code for guidance:. Unlike custom functions that you write, the callback functions take the predetermined input variables hObject, eventdata, handles so it's not clear how you can pass in other variables that you need to.

There are several techniques you can use to share data between callback functions in your GUI. Functions that do not have the "global myVariable" line in them will not be able to see the variable. The "myVariable" variable will not be seen in the "base" workspace - it will be seen only inside functions with the "global myVariable" declaration in them.

Sharing between multiple GUIs. If the "main" GUI calls other GUIs, then the best way to do it is by passing variables in via the input argument list, and accepting output variables via the output argument list. So someplace in GUI1 like the callback function of the "Go! Once they are in your opening function, then they can be shared amongst the other functions in the GUI with the methods mentioned earlier in this section.

Official Documentation. The documentation contains instructions for using these techniques to share data between callbacks in these Mathworks web pages:. To shade between an upper and lower curve, you can use the patch function.

Here is an example It can be extended to handle ellipses by putting in factors inside the sqrt in the obvious places. If you want, this circle mask can be used to assign image values either inside or outside the circle to a new gray level:.

If you would like the circle to be only a single pixel wide circumference in the digital image, rather than a solid disc, then you can use this code:. Newer versions of the Image Processing Toolbox have the viscircles function for plotting multiple circles simultaneously in the overlay above the digital image.

Or, if you want a list of x and y coordinates of the perimeter of the circle, or of an arc, you can do this:. Note that it will be a circle according to the tick marks on the axes, but whether it appears perfectly circular on your computer monitor depends on your video adapter settings, and whether you use, or don't use, the 'square' and 'equal' options for the axis command.

The above code can also be used to create an arc - a portion of a circle. Just change the line that assigns theta to start and stop at the desired angles of the arc.

If you want this to be in the overlay of an existing plot or image, issue the "hold on" command prior to issuing the rectangle command, or else the circle will destroy the existing plot or image. The use of meshgrid or ndgrid can be easily extended to 3D to create a logical mask for a sphere. Creating an arc is very similar to creating a circle.

Simply specify a starting and ending angle for theta. The code is very similar to the code to create a circle from above - just specify an inner and outer radius. The code is very similar to the code to create a circle from above - just specify an inner and outer angle, and an inner and outer radius that changes for each angle. The ending angle can be as high as you want. The larger it is, the more times the spiral will wrap around the center.

To create a set of x,y coordinates within the perimeter of a solid circle a disc , you can use code like this from Roger Stafford in his Answers posting :. To create a set of x, y, z coordinates uniformly and randomly distributed over the surface of a hollow sphere a round shell , you can use code like this from Roger Stafford in his Answers Forum posting [4]. The ticklabel gets its properties from the axis to which it is attached.

So set gca, 'fontsize', 14 should do the trick. Type get gca to see what else you can set. Not directly You can play games with placing text by hand. See the MathWorks solution for some ideas of how to work around this. There are also some free third-party software packages you can use to accomplish this.

It will replace axes tick labels with formatted text objects that can include both Tex and LaTex interpreted strings. Doug Schwarz has written a Styled Text Toolbox that does this. Sorry, there's no easy solution. MATLAB does not support hierarchical figures, so you can't have a container control holding your controls.

If you really need this you'll have to create your own, using the callbacks from the scrollbar to modify the position properties of your controls. What I would do is to add 2 pushbuttons to the figure: one at the top right and another at the bottom right and use these buttons to control the vertical scroll of the content of the figure.

Something like this:. See the "Tick Values and Labels" section of the documentation for axes properties for more information. If you simply want to edit the matrix as if it were an Excel spreadsheet, you can use the builtin Array Editor. Or you can use the uitable control. See the help for uitable. For more sophisticated titles, including those with special characters or even images in them, or to put titles on other things than axes like legends , see Steve Eddins's blog: [5].

For this to work well, you first need to have a first look at all of your data to determine what are the minimum and maximum values over the entire set of images. For example, if the overall minimum value amongst all images is 40 and the overall maximum is , you may issue the command "caxis [40 ] " for each image.

As a bonus, it includes a thorough discussion of colormaps in general. There are probably several hundred of these default handle graphics options. Rather than trying to remember any particular one, the best thing is to learn the general principle behind all of these default handle graphics properties.

The basic call to insert into your startup. For more details, do a full text search for 'Defining Default Values' in the R12 online help, and click on the very first hit. Also see the following entries in the R12 online help:. A histogram is made up of patch objects. The trick is to modify the FaceColor property of these patches. A short example follows:. A user-contributed m-file arrow.

Also look at arrow3. In older releases, the movie function displayed each frame as it loaded the data into memory, and then played the movie the requested number of times all the data was loaded. This eliminated long delays with a blank screen when you loaded a memory-intensive movie.

The movie's load cycle was not considered one of the movie repetitions. You can't. One hopes that The MathWorks will include this often-requested feature in a future, but there is no guarantee. Related to this, changing the stacking order of your GUI elements might allow you to set the tab order, but this seems to not always work. The text command can be used in a vectorized form to automatically add text labels wherever needed.

Say you have a matrix D, where the first column contains X coordinates and the second column contains Y coordinates. Then us illustrates:. In fact, Many people encounter trouble when they try to use the various built in MATLAB functions such as print, saveas, hgsave, etc. For example, the colors may be different than expected, there may be undesired spacing around it, it may be all black or all white, the overlay graphics don't get saved along with the underlying image, the resolution is not correct, the wrong part of the window is being saved, etc.

This may solve your problems. Does this work? As is mentioned frequently in the newsgroup, some floating point numbers can not be represented exactly in binary form. FlexNet Licensing error: , System Error: "WinSock: Connection refused". Accepted Answer.

MathWorks Support Team on 19 Apr Cancel Copy to Clipboard. This error can have different meanings depending on which system it occurs. If you receive this error on the license server:. Note that the license manager uses two ports.

By default, port is used. By default, the port is randomly selected. In the example above, you will need to check ports and Consult your network administrator for help identifying ports in use. For more information about these ports, see the article below:.

Why do I receive a license manager error when trying to checkout a license key from a distant location or over a wide area network WAN? Mary Kaltenberg on 29 Jan Matlab was working perfectly fine until one day I kept getting this error. I have a Mac. I pinged the host, where it says I have an unknown host. I use a VPN to connect to the host.

Please advise how to resolve this error on a Mac. I can't find the network. Baris Akin on 22 Jun Cody Lamke on 23 Jun If you are still experiencing this issue, please contact MathWorks support:. Paul Duffield on 25 Aug Hi all,. If I were to change the port on the server to , is there a simple way to update the clients or do I need to reinstall with the new license. Colin Fraser on 2 Sep You would need to update the license files of all clients to now have the set as the port. If you are still experiencing this issue, please create a service request below.

Ali Naeemah on 26 Sep More Answers Vote Shilin Chen on 18 Apr So did I. That is my cause! Wenxuan Liang on 16 Feb Vote 1. This happened to me seemingly because that nmy university has updated the license, so my old MATLAB b on one long-unused computer could not start.

The solution here is simple. Asma on 8 Jul Vote 0. I got this problem but it was like intermittence connection. Sometimes there is no error, sometimes not ok and appears this error.

Ping the hostname is successful. I don't know how to solve it. Leonid Tulin on 11 Oct I have that error after force-quit. Server works fine. How can i fix it??



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