Respondida
ActiveX -- Saving Excel File
Does this give any errors or warnings? FileName='Test.xlsx'; %open Excel e = actxserver('Excel.Application'); ...

más de 13 años hace | 0

Respondida
calculate tangent of 1e100
Given that eps(1e100) = 1.9427e+84 it won't be that accurate. For what it's worth, sin(1e100)/cos(1e100) gives the ...

más de 13 años hace | 0

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Respondida
creating dummies from a cell vector of string variables
B=str2num(cellfun(@(x) x(end),A))

más de 13 años hace | 0

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Process Cells from Excel File
I think this is what you're after, but I'm not totally sure. A=[0 45 87 0 7 8 1 65 68 0 ...

más de 13 años hace | 0

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Finding the number of values bigger than a certain number in an array?
x=50*rand(7); a= x > 21; numel(a(a>0))

más de 13 años hace | 0

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Respondida
Can a popup-menu on GUI get an excel file sheet name to use as string?
[~,Sheets]=xlsfinfo(FileName) set(PopUpHandle,'String',Sheets)

más de 13 años hace | 0

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Respondida
Ascii to number/decimal
str2double(s) or str2num(s)

más de 13 años hace | 0

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Respondida
What's missing from MATLAB Central...
Aside from a spell checker, I find it a bit weird that the profiles aren't linked together, i.e. a user's Answers profile is sep...

más de 13 años hace | 0

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Neumann boundary condition in a first order PDE
In this case you want to set pr = 0; qr = -1/v; %to cancel out f

más de 13 años hace | 0

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array: concatenate two columns of integers to one colum
A=[1 2 3;3 5 7]; B=[7 8 9;4 5 6]; % C=[A B]; w=size(C,2); D=10.^(w-1:-1:0); Out=sum(bsxfun(@times,D,[A B]),2)

más de 13 años hace | 0

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How to apply a formula (autofill) on a range of cells in Excel using MATLAB COM activeX?
From your active worksheet: %data: DataRange = e.Activesheet.get('Range','A1:B1'); DataRange.Value=[1 2]; %equation: ...

más de 13 años hace | 0

Respondida
My reversed vector is outputting on five different lines in the command window. How can I output to just one line?
The '\n' is creating a new line each time there is a digit: fprintf('%d%d%d%d%d\n', C) should work.

más de 13 años hace | 0

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Respondida
How to read the value of a cell one-by-one?
I'm not completely sure what you mean, but to access the induvidual characters in each cell you just had to index within that ce...

más de 13 años hace | 0

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Respondida
reading data using textscan: how to record empty rows with muliple columns?
This is probably not too robust, and the numbers are still strings not numerics, but it picks up the empty spaces: str=filer...

más de 13 años hace | 0

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How to create a cell of strings from a vector?
Based on Sean De Wolski's answer: cellstr(num2str(x','%-0.0f'))

más de 13 años hace | 1

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I want to read a text file having strings and numeric data. Is there any better function than textscan?
This is quite scrappy but it gives you the data quite clearly in a cell array: n=5; %lines to skip A=fileread('TLETest.t...

más de 13 años hace | 1

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subplot with number on top of bar
You can use the annotation function to do this, there are a few ways to choose how to position the text. AX=zeros(4,1); for...

más de 13 años hace | 0

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I want to read a text file having strings and numeric data. Is there any better function than textscan?
What format do you want the data in? Using importdata gives you all the data as strings- you can convert the numeric data and sp...

más de 13 años hace | 1

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GUI axes size?
You could store the original axes size somewhere and reinstate that when required. For example, when the GUI loads you could sto...

más de 13 años hace | 0

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save workspace does not save some variables
I believe it is- try saying as a version 7.3 file. To do that you just add '-v7.3' when you are sending to the save function, se...

más de 13 años hace | 0

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Respondida
retrieve mat-file version
type(FileName) should work fine, where FileName is a string containing the file name, e.g. FileName='myfile.mat'

más de 13 años hace | 2

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problem with repeating index values
This avoids using a loop, but it might be more limited than what you require. I extended the indexing array so you can a bit mo...

más de 13 años hace | 0

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problem with repeating index values
I'm not 100% sure what you're trying to do, but is this what you're after? a = [0 0 0 0]; Index=[1 1 2 2 2]; for n=1:numel...

más de 13 años hace | 0

Respondida
How can I incorporate a user input variable as part of a variable name?
You can just concatenate the strings: importdata([XY,'_left_ribs_1.txt'])

más de 13 años hace | 2

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Respondida
Why pause(eps) takes much time?
It's just a limitation of the function- see the pause documentation: <http://www.mathworks.com/help/techdoc/ref/pause.html?nocoo...

más de 13 años hace | 1

Respondida
Remove Image Titles in GUI
You need to reset the axes: cla('reset') or better for a GUI: cla(axes_handle,'reset')

más de 13 años hace | 0

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Pregunta

Semi-repeatable Cellfun Error
I'm quite thrown by this problem: I have a line which crops up in a few functions within a program, which uses cellfun to conver...

más de 13 años hace | 1 respuesta | 0

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Respondida
Enable datacursor for certain axes
The datatip won't show up if you hide the axes handle,e.g. AX(1)=subplot(2,1,1); plot(rand(10,1)) AX(2)=subplot(2,1,2); ...

más de 13 años hace | 1

Respondida
Why is the autocolor green of plot not the same as plotting 'g'?
I have no idea why, but you can set the colour manually: plot(x,y,'color',[0 0.5 0]) or, for that matter, use any 1x3 ve...

más de 13 años hace | 1

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Respondida
How to split string with numbers?
Str='1,2,3,4;5,6,7,8;9,10,11,12'; Num=str2double(regexp(Str,'\d*','match')')

más de 13 años hace | 1

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