| Subject | Date Asked |
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| differentiation | 6/24/2009 |
Q: sir i have 2 arrays,one of torque and the other of time and i got its plot.Now,how could i find out ...
A: when you say "arrays" do you mean vectors? If so, by "differential" i assume you mean the derivative ...
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| plotting | 4/11/2009 |
Q: i plot a figure with many points(i can get their coordinates) but i want to count them.how can i ...
A: I'm not following what you want to do exactly. If you plot points on a figure, then you can count ...
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| MATLAB function trapz/cumtrapz | 12/27/2008 |
Q: I need your help for my uni project. I have a data vector (e.g; znew=[0.089; 0.076; 0.068; 0.065; ...
A: apparently you have overloaded the cumtrapz function. In other words, you have created a file with ...
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| MATLAB function trapz/cumtrapz | 12/7/2008 |
Q: I need your help for my uni project. I have a data vector (e.g; znew=[0.089; 0.076; 0.068; 0.065; ...
A: if a get it correctly, you want to perform numerical integration on the data points contained in the ...
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| Finite Difference Method | 6/28/2008 |
Q: Sir, I am using finite difference method to solve second order differential equation in one ...
A: i don't see a clear way out of your problem. A N=100000000 is pretty big. At first, if i were you i ...
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| Exporting data from MATLAB R2008a to Excel 2007 | 6/20/2008 |
Q: I want to know how can I export one matrice of data outputs for example "data1" file which is saved ...
A: you can export matlab data to Excel using the xlswrite function. As i told you in your previous ...
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| import Excel data to Matlab | 6/15/2008 |
Q: "Hello Sir I want to know how can I import one numerical Excel 2007 data sheet to Matlab 2007b.I ...
A: this error is a path error. The command you issue (xlsread('w5data.xls')) implies that the file ...
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| Matlab to a Cad format | 5/19/2008 |
Q: Expert, I have a model of a human body where each section of the body is a matrix and each number in ...
A: matlab supports various formats, even some 3D extensions. I don't really understand how your model ...
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| GUIs | 12/27/2007 |
Q: Can you tell me the best way to learn to program GUIs in matlab. I find it confusing particularly in ...
A: handle graphics is rather simple if you get the idea, so i'm gonna explain to you in brief how it ...
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| building a virtual model, manipulating and testing | 10/7/2007 |
Q: I hope this is not a stupid question. Will CAD allow me to build a virtual model, manipulate the ...
A: CAD software enables you to design systems. It doesn't include simulation steps and libraries. ...
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| integrate tabulated XY data with Matlab | 9/21/2007 |
Q: I have a simple problem I need to resolve for research project I'm working on. I have 1000 ...
A: you are correct about the cumtrapz function. What you need to do is to create another vector with ...
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| Differentiation of normal distribution | 5/10/2007 |
Q: Can matlad differentiate a normal distribution of an inverse normal distribution? Something like: ...
A: by "differentiation" i assume that you mean symbolic differentiation and not arithmetic. To do what ...
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| mathematics-MATLAB | 2/12/2007 |
Q: I have two adjacency matrices representing two undirected graphs. I want to check if they are ...
A: looping over matrices using their name as an index e,g, Ai, i=1,2,..., is not possible in Matlab. ...
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| matrix formation | 11/16/2006 |
Q: I have five linear simultaneous equations L1=0,L2=0,L3=0,L4=0, L5=0; having five variables A11, ...
A: The only way to do this is by symbolic manipulation. Matrix forms cannot do what you ask. You must ...
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| matrix formation | 11/10/2006 |
Q: In matlab , I get five simultaneous equations in five variables( say x1 x2 x3 x4 x5) . In every ...
A: i can't say i understand fully what you want to do. You say you get 5 simultaneous equations in ...
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| Matlab output not showing | 10/13/2006 |
Q: Calling from cammand line, it is working fine. Is it possible that I compile and run from the editor ...
A: Yes, it is possible. You can call a function either from the command window, from a script or ...
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| Matlab output not showing | 10/12/2006 |
Q: I have written a small programm as function z = my_fun(x) z = x(1)^2 - 2*x(1)*x(2) + 6*x(1) + ...
A: your code runs fine in my machine. And i don't see a reason why not. Maybe you are doing something ...
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| differentiation in MATLAB | 7/6/2006 |
Q: I have to partially differentiate the following function w by use of symbolic math tool box.I have ...
A: at first glance the problem seems to be with the cosx. It should be A0*[R+A*(R^(t+1))+B*(R^3)] + ...
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| Differentiation and Integration in Matlab | 4/13/2006 |
Q: George, I have a simple problem I need to resolve for research for a class project I'm working on. ...
A: what you need is numerical integration. The DE you have can be solved by integrating dV, i.e. ...
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| MATLAB Toolbox | 4/3/2006 |
Q: I would like to know about LMI toolbox in MATLAB. a) How can I find out if LMI toolbox installed ...
A: the LMI toolbox is part of the Robust Control Toolbox and is actually called LMI Lab. If you have ...
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| rounding | 11/24/2005 |
Q: which function in matlab6 that can round the number 0.009876 to 0.00099?
A: no function can do that. You must use a "trick" to do want you want. Multiply you number with 1000, ...
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| GOTO equivalent | 11/22/2005 |
Q: I don't know if you remember me, I just asked you last week about importing headers of an xls file ...
A: the use of GOTO statements is heavily discouraged since it is a bad way of writing code. That's why ...
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| Importing xls file with header | 11/16/2005 |
Q: I am writing a m-file programm and I have been trying to figure out how can I import a xls file with ...
A: i think that what you are asking is not possible in the current Matlab version. You can either do ...
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| what is Cad/Cam? | 10/13/2004 |
Q: I am doing a study at school about the advantages and disadvantages of Cad/Cam but i am yet to find ...
A: here's some links i could find on the web. Hope it helps: ...
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| General CAD/CAM field and math skills | 9/15/2004 |
Q: Can you tell me what math skills are absoulutly necessary in CAD/CAM work. I have basic ...
A: your math knowledge is sufficient. Actually, in principle no math is required. Most CAD programmes ...
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| engineering. | 1/16/2003 |
Q: im looking for a type of cad that i could use to draw mechanical things. what is a good type of cad ...
A: my best bet would be AutoCAD.Its the standard for architectural and mechanical designs.If you want ...
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