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

mehr als 13 Jahre vor | 0

Beantwortet
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 ...

mehr als 13 Jahre vor | 0

| akzeptiert

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

mehr als 13 Jahre vor | 0

Beantwortet
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 ...

mehr als 13 Jahre vor | 0

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

mehr als 13 Jahre vor | 0

| akzeptiert

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

mehr als 13 Jahre vor | 0

| akzeptiert

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

mehr als 13 Jahre vor | 0

| akzeptiert

Beantwortet
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...

mehr als 13 Jahre vor | 0

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

mehr als 13 Jahre vor | 0

Beantwortet
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)

mehr als 13 Jahre vor | 0

Beantwortet
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: ...

mehr als 13 Jahre vor | 0

Beantwortet
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.

mehr als 13 Jahre vor | 0

| akzeptiert

Beantwortet
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...

mehr als 13 Jahre vor | 0

| akzeptiert

Beantwortet
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...

mehr als 13 Jahre vor | 0

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

mehr als 13 Jahre vor | 1

Beantwortet
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...

mehr als 13 Jahre vor | 1

Beantwortet
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...

mehr als 13 Jahre vor | 0

Beantwortet
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...

mehr als 13 Jahre vor | 1

Beantwortet
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...

mehr als 13 Jahre vor | 0

Beantwortet
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...

mehr als 13 Jahre vor | 0

| akzeptiert

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

mehr als 13 Jahre vor | 2

Beantwortet
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...

mehr als 13 Jahre vor | 0

Beantwortet
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...

mehr als 13 Jahre vor | 0

Beantwortet
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'])

mehr als 13 Jahre vor | 2

| akzeptiert

Beantwortet
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...

mehr als 13 Jahre vor | 1

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

mehr als 13 Jahre vor | 0

| akzeptiert

Frage

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...

mehr als 13 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
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); ...

mehr als 13 Jahre vor | 1

Beantwortet
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...

mehr als 13 Jahre vor | 1

| akzeptiert

Beantwortet
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')')

mehr als 13 Jahre vor | 1

| akzeptiert