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

13年以上前 | 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 ...

13年以上前 | 0

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

13年以上前 | 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 ...

13年以上前 | 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))

13年以上前 | 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)

13年以上前 | 0

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

13年以上前 | 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...

13年以上前 | 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

13年以上前 | 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)

13年以上前 | 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: ...

13年以上前 | 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.

13年以上前 | 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...

13年以上前 | 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...

13年以上前 | 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'))

13年以上前 | 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...

13年以上前 | 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...

13年以上前 | 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...

13年以上前 | 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...

13年以上前 | 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...

13年以上前 | 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'

13年以上前 | 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...

13年以上前 | 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...

13年以上前 | 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'])

13年以上前 | 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...

13年以上前 | 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')

13年以上前 | 0

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質問

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...

13年以上前 | 1 件の回答 | 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); ...

13年以上前 | 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...

13年以上前 | 1

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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')')

13年以上前 | 1

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