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A non-square matrix can have left and right inverse matrices. Left and right inverse matrices may not be the only ones. If a matrix has both left and right inverse, then it is invertible and m = n.Let M be an m x n matrix, i.e. defining a linear mapping from Rn to Rm.1. If n < m, then there can exist a left inverse L matrix n x m from Rm to Rn such that LA = E (the identity matrix), the condition of this: Ker A = 0 (the mapping A is one-to-one). 2. If n > m, then there can exist a right inverse R n x m matrix from Rm to Rn such that AR = E, the condition of this: Im A = Rn (mapping of A to the whole space). How can we calculate RIM?    

Hello everyone! I've been facing a problem with Analytics and can't use it since I keep receiving the "Selected Analytics Server is not connected." message. I confirmed that my remote thing is offline and would like to know how can I put it back up? Thank you in advance. 

The license period used by the company is too short. I think it's about a week.Is there a way to extend the period?

I am using Creo Parametric - Release 2.0 (connected) 2.0 M220Hi, Good day.When i try to Publish Model or Manage Model in the AR tool i get an Error with service unavailable.Could you help please.. thanks

Hi,For a long time I've thought about using Pattern feature for different directions. Let's say I'm in assembly mode, I've got a simple steel structure with many connector just exactly as below:Now that's ridiculous to insert every single element (connector) separately part by part. So we can use the Pattern inside assembly mode of course. So we need to (or maybe not) use 4 Patterns because connectors are placed in different dircetions like in the following picture:I'd like to use only one Pattern for this operation but still keep directionality of these connectors. When I pattern all connectors with one Pattern I'm unfortunately losing this directionality as follows: Therefore I've got a few questions.  Is it even possible to achieve that - using one Pattern and ain't losing the directionality?If the 1 point is impossible, what is the good practice for this example (and similar)? Should I create 4 Patterns separately?Is the good practi

In one of my mashup is having button whose font-size big, lets consider it as  24px, when I pressed / clicked on that  button size & font is getting changed to 14px (I could see it inside focus property while inspecting). After that whenever I click on any part of the screen, it will become normal like having 24px as font size.    I am sure that this is happening because of focus event / property.    Could any one suggest me how can I over come this problem, simply I want to avoid focus event effect on button.    Thanks,  Shubham. 

Hi , I need to generate report of epm documents and associated Windchill parts present in product/library.Need to get generate this for the latest version of EPM documents If anyone has built in query report builder,please share.  Thanks 

I have multiple Workspaces, is there a way to search and find which one of my Workspaces a specific file is in? This is a function I could never seem to find.

Hi everyone, I have purchased 25 licenses of thing work software, now I have successfully installed Thing Worx foundation 9.2 on one PC ,which will act as a server and if the I P are accessible over the network, then thing Worx can be accessed using URL : http://ip:port/Thingworx/Composer/index.htmlbut I am not able to connect with the above URL, Its Showing 404 Error in other system.please give step by step procedure how to access thing Worx through server in other system using URL.do I need to download any software in other system ? please help me out with this issue. 

Hello, I cant publish a project, always give me this error: Uh-oh! Publish failed. Permission denied uploading the project. Can anyone please help me? Thank You.

Hi,I have added extra lines to web.xml present WEB-INF folder as per below article :https://www.ptc.com/en/support/article/CS229450Please find the modified web.xml and let me know where I am going wrong.

Hello everyone.  I'm trying to make a spreadsheet that graphs partial uniform loads and seem to have run into an issue. It all works for the most part. However, when trying to graph, the graph typically "fails" in certain places. See my attached file and notice the missing portion of the graph at x=8.4ft.  Is there any way to fix this? Note that I've already tried messing with the TOL global variable to no avail. It usually causes the break to move to a different place in the graph and doesn't actually fix anything. If it does fix it then it is usually just for that one case and if you put in different loads/locations it'll break again. What should I do?

I am trying to enable ModelCheck Gatekeeper to prevent check-in of models if they do not contain proper parameters and values. When I do a check-in, I get the following error messages: Incorrect ModelCHECK mode used on models in the context Incorrect set of config files used on ModelCHECK in the context Model has not been validated in last 24 hours in the context ModelCHECK failed on models in the context   Running ModelCHECK interactively, I get no errors or warnings. Creo7.0.5.0 with Windchill 11.1 M020 CPS20

After windows update, i can no longer use the CTRL+SHIFT+M shortcut to add a math region on the canvas or in a text region. I use this shortcut heavily every day, anyone else have the same issue?

Who do I call or where can I fill out a support ticket.  Support documentation takes me to products I didn't buy.   

To all,   Note a mathematical question per say but one about “shortand” with Mathcad 15. Is there a way of defining the coefficient of a polynome (say as a vector) and tell Mathcad that I want a full polynome like this: P(x)=a0+a1x+a2*x^2 + …. + an*x^n   (= SUM (an*x^n)) I can see the factor and expand commands but cannot find anything that does what I want/looking for.   Thanks

I am using Creo Parametric - Release 6.0 (connected) 6.0 6.0.2.0Need to output the coolant/on after move to clearance plane.The output of coolant/on is come after tool change. Need to move the coolant/on after start point.How can we move this coolant/on line? Thank you.

Hi,We have multiple seats of MathCAD prime 7. How can I copy the template settings to another installation? On Creo parametric for instance there is a config.pro file that you can place in the user's profile that sets up the templates and other settings, according to company standards.

One of my users asked this question. Is it possible to have multiple versions of MathCAD Prime loaded on the same computer? He has MathCAD 15 and MathCAD Prime 6 already installed and would like to add Prime 7.  

You cannot put legends on Plots in Prime!But if you can't, but really want to, then you can!

Red shows symbolic error. Mathcad 15 Prime 7  

I have situation were based on the Field count I need to do the Logic so  "How to Get the count of Number of Fields in a Infotable"ThanksShashi

I am looking for a tool that allows me to access the edit or save history of a file in Mathcad Prime, much like what is found in Creo. I cannot find what I am looking for in Mathcad Prime. Any clues? Regards,/Mark

The default status configuration in the following template is invalid: PTC.SCA.SCO.KepserverBasedPhysicalAssetThingTemplate. Fix the template in ThingWorx Composer to create this type of equipment.   1：     2： 1 is the case and 2 is mine. How can I fix this problem？      

Hello friends ,I have calculated the angle  using Measure API, but I have to round off value , Is there any API available in toolkit to round off the value . Please help me to resolve the issue.