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Feeds
how to make a function that calculate consective difference of elements of a vector
If you insisnt on using for loops you just need to change the limit of the for loop to length(v)-1 and of course add ...
oltre 9 anni fa | 0
How can I get the value of toggle button (uicontrol)
You need to set a callback function for the button if you want something to happen when it is pressed. For example: % set c...
quasi 10 anni fa | 1
| accettato
What does Subscripted assignment dimension mismatch mean? I keep getting the same error?
The error means that the destination is not the same dimension as the source. In this case, you are trying to write an 8x8 matri...
quasi 10 anni fa | 0
How to save data of UITABLE in Workspace
I think you are using uitable wrong. Look at the documentation for this function but I believe it should be something like this:...
quasi 10 anni fa | 0
| accettato
Writing data in file and naming file with a string value
Change your fopen line to: fileID = fopen(['error_', num2str(n), '.txt'],'a');
quasi 10 anni fa | 0
| accettato
How do i create a loop that accesses more than one matrix?
Maybe try something like this for jj = 1:size(X,1) % match 1st column of X to 1st column in Y idx = find(X(jj,1) ...
quasi 10 anni fa | 0
| accettato
Get string value from GUI listbox
Change the condition on your if to if strcmp(ListBoxCheck, 'Afghanistan') Hopefully this should now work.
quasi 10 anni fa | 0
Loading in to the POPUP menu of GUI
You need to save and load the "Value" property of the popup menu. For example, taking Geoff Hayes's case: % get the value f...
quasi 10 anni fa | 0
adjusting label and title thickness of the plot function
Just use the 'fontsize' attribute of the axes: set(gca,'fontsize',fontsize); % default fontsize is 10
oltre 10 anni fa | 0
How to sum the fuel consumed at idle (vehicle speed=0)?
In order to get all indeces of speed=0 you need to do: IdleFuelIndex = find(VSPD == 0); Then you can add them all up: ...
oltre 10 anni fa | 0
Advanced Plotting of graphs
You can use the plotyy command to plot two y axes with the same x axis. For example: [AX, H1, H2] = plotyy(s,v,s,t); Thi...
oltre 10 anni fa | 0
drawing specific histogram for errors.
You can use the hist command. For example for the parameter DS: [n xout] = hist(DS,100); 100 is an arbitrary number of bins ...
oltre 10 anni fa | 0
| accettato
how can i insert markers and merge four graphs in one?
In order to change the markers you can change the 'marker' attribute on the line series. For example: [AX, H1, H2] = plotyy(...
oltre 10 anni fa | 0
How to create a column vector where each element will be compounded amount by percentage of another vactor?
You need to use the function cumprod. In your example: x = [.2 .3 .4]'; z = 1000*[1; cumprod(1+x)]; This will give you ...
oltre 10 anni fa | 0
| accettato
How to create a matrix for plotting from a roots matrix in a loop?
You can store the data into a vector: results = []; while (condition) code; r = roots(x); results(en...
quasi 11 anni fa | 0
| accettato
Domanda
Parameters imported using assignin not visible to parfor
I am runnig a function that uses a structure with many fields as an input. I use assignin to import all the fields as variables ...
quasi 11 anni fa | 1 risposta | 0
1
rispostaDomanda
How to password protect mat files
Hi all. I am looking for a way to password protect a .mat file. My requirements are that it cannot be changed or deleted with...
oltre 11 anni fa | 2 risposte | 0
2
risposteDomanda
Idle labs on Parallel Computing Toolbox
I use a network server that is shared with other users in the company to perform heavy calculations with Matlab. My question ...
quasi 13 anni fa | 1 risposta | 0
1
rispostaOut of memory in parfor loop
You are running out of memory because parfor uses a lot more memory. Let's say for example, that each iteration of the regula...
oltre 13 anni fa | 0
| accettato
adding values in array
If idx1 and idx2 are row vectors you can do idx3 = [idx1 idx2]; If they are column vectors do idx3 = [idx1; idx2];
oltre 13 anni fa | 0
| accettato
list all subfolder names
Each time you save the parameter in a new .mat file, save that parameter to a new cell in a cell array. Then you can use a uitab...
oltre 13 anni fa | 0
how to correctly skip elements of a vector field table with 4 columns
Use this: ix=mod(V(:,1),2)==0 & mod(V(:,2),2)==0; V_SKIP = V(ix,:);
oltre 13 anni fa | 1
| accettato
Plotting a cell array with double values
Use testArray = [testArray{:}]; This will transform testArray into a regular array which you can plot using plot(te...
oltre 13 anni fa | 2
matrix indexing and manipulation
You can use ind2sub. [rowIndex, colIndex] = ind2sub(size(Z),Index); I think this should work.
oltre 13 anni fa | 0
| accettato
how to get a 3D stem plot?
Try <http://www.mathworks.com/help/techdoc/ref/stem3.html |stem3|>.
oltre 13 anni fa | 4
| accettato
How to access GUI workspace?
CLEAR only clears the current workspace, which is usually 'base'. Your GUI is run from a separate function which has its own wor...
oltre 13 anni fa | 0
define function which uses handles.variables
It is better to send all your 23 variables as one struct, both in terms of neater code and the time and memory it takes to alloc...
oltre 13 anni fa | 1
Plotting a graph to show correlation of voltage over current
R=10; V = 0:2.5:Vmax; I = V/R; figure; plot(I,V) Type doc plot for more information.
oltre 13 anni fa | 0