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

oltre 13 anni fa | 0

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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 ...

oltre 13 anni fa | 0

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

oltre 13 anni fa | 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 ...

oltre 13 anni fa | 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))

oltre 13 anni fa | 0

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

oltre 13 anni fa | 0

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

oltre 13 anni fa | 0

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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...

oltre 13 anni fa | 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

oltre 13 anni fa | 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)

oltre 13 anni fa | 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: ...

oltre 13 anni fa | 0

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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.

oltre 13 anni fa | 0

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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...

oltre 13 anni fa | 0

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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...

oltre 13 anni fa | 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'))

oltre 13 anni fa | 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...

oltre 13 anni fa | 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...

oltre 13 anni fa | 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...

oltre 13 anni fa | 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...

oltre 13 anni fa | 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...

oltre 13 anni fa | 0

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

oltre 13 anni fa | 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...

oltre 13 anni fa | 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...

oltre 13 anni fa | 0

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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'])

oltre 13 anni fa | 2

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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...

oltre 13 anni fa | 1

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

oltre 13 anni fa | 0

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Domanda

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...

oltre 13 anni fa | 1 risposta | 0

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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); ...

oltre 13 anni fa | 1

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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...

oltre 13 anni fa | 1

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Risposto
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')')

oltre 13 anni fa | 1

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