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Easy GUI - Multiple Errors
Apparently handles.output is the handle to a figure object. What object were you trying to set the string to? Try thi...

13年以上前 | 0

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Time format conversion command
If you have a cell array, I would do this: A = {'36:40.0';'36:40.1';'34:40.3'}; % A cell array B = '${num2str(str2n...

13年以上前 | 0

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Adjust width of error bars
O.k., here is an example: X = 0:pi/10:pi; Y = sin(X); E = std(Y)*ones(size(X)); B = errorbar(X,Y,E) ; pause...

13年以上前 | 0

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Indexing matrix using logicals
% Given: a=[10 13 14 15 16;11 12 15 16 17; 3 5 8 9 12]; % Array T = 11.5; % Threshold. % The approach: L =...

13年以上前 | 0

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Write function to expand array and average adjacent entries.
Please show what you have done so far for *your* homework problem.... The more effort you show, the more help you will likely...

13年以上前 | 0

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Solve a system of symbolic variables
Use symbolic arrays instead: F = sym(zeros(num_nodes,1)); d = sym(zeros(num_nodes,1));

13年以上前 | 0

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How do I combine legend entries for a spline and data points?
Here is an example: % First set up the data and the spline fit plot. x = -3:3; y = [-1 -1 -1 0 1 1 1]; t = -3:...

13年以上前 | 0

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How do I make the desired Regular Expression?
This seems to work for your test case: str4 = regexprep(str,'^(\s*)(#{2})','$1'); Or, even simpler: str4 = regexpre...

13年以上前 | 0

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how to plot the vectors having different length
If you know the starting time and ending time for the amplitude, you can just make your own time vector of the correct length. ...

13年以上前 | 2

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Having a slight problem with Newton-Raphson loop. No errors in command window..
To elaborate on Walter's answer. You are comparing floating point numbers for absolute equality - a mistake in general. Inst...

13年以上前 | 1

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Cannot find error in my sort function
There is no way you are calling the function you post without getting errors. For one thing, you reference a variable N on the ...

13年以上前 | 0

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access to string data in cell array-
Try this: anscell= {'LTlHSPRY','LTsalove','ohw','sdaer','siht','LTRDUDE'} aa1 = cellfun(@(x) strcmp('LT',x(1:2)),ansc...

13年以上前 | 0

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manipulation of a cell array-
Cell_array = {1,[],magic(2);'stirng',[],[]} cellfun('isempty',Cell_array)

13年以上前 | 0

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Simple explanation - how to use varargout
Try this: function varargout = varargoutexample(x) % Demonstrates how to use VARAGOUT. % Pass in a vector of va...

13年以上前 | 0

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How can I use a data file as input to a function?
Why oh why would you put a 'clear all' as the first line of a function?? Functions have *their own* workspace, so the only vari...

13年以上前 | 0

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Row by column multiplication
I think you can avoid FOR loops, but I see no reason to do so here: A=randi(10,10,3); B=randi(10,3,10); for ii = 10:-...

13年以上前 | 0

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is it o.k if 'tic' is in one function and 'toc' is in another?
Yes, tic is global. Here is an example I made to test.... Example. 1st M-file: function [] = calltic() tic; ...

13年以上前 | 0

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Need help with subplot
x = 0:.01:pi; subplot(3,1,1) plot(x,sin(x)) subplot(3,1,2) plot(x,sin(x*3)) subplot(3,1,3) plot(x,sin(x*6)) ...

13年以上前 | 0

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Can these operations be vectorized?
T = reshape(1:100,10,10).'

13年以上前 | 0

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Possible to use anonymous function as script function input?
function output = exampleF(input) output = @(x) 3*input(x); Now from the command line: T = exampleF(@(x) sin(x)); ...

13年以上前 | 0

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delete function doesnt work
Did you look at the value of d? Perhaps it is not 1... Take the semicolon off, see what prints to the command window when you t...

13年以上前 | 0

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How to create a matrix to contain possible combinations of 2 sets of 1D parameters
If you mean all possible permutations, do this: x = 0:.5:2; I = npermutek(x,2) I = 0 0 ...

13年以上前 | 0

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How to write string delimiter in a string
A = '''' Or: S = 'This is how you write a '' in MATLAB'

13年以上前 | 0

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Vectorizing three nested loops
I2 = any((bsxfun(@minus,X,reshape(x,1,1,n)).^2 +... bsxfun(@minus,Y,reshape(y,1,1,n)).^2)<TOL,3) ;

13年以上前 | 0

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Minimum value of row
A = magic(6); % Given array. [MN,I] = min(A,[],2) % Minimum of each row, and index Also, whenever you have a questi...

13年以上前 | 0

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Reading numbers from alphanumeric strings in a cell matrix
X = {'N010' 'G00' 'X0' 'Y0' 'Z0' 'N020' 'G01'... 'X-10' 'Y10' 'Z-1' 'N030' 'G01' 'X20' 'Y40'... 'Z-1' 'N040' '...

13年以上前 | 0

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Accessing var content in column, not location
Bad idea to name a variable 'all' as you will mask the ALL function! A =[0 84.3000 90.0000 86.7000 2.0000 ...

13年以上前 | 0

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Make matlab differentiate until the conditions are met?
If you want to keep differentiating until only one of the functions has a nonzero limit, simply use: (limit(f,x,0)==0 || li...

13年以上前 | 0

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How to get TRUE/FLASE to work for arrays of cells with mixed string and integer values?
NaN is not a string, but is the symbol for Not-A-Number. For example, 0/0 will produce NaN. To remove the nans, do something l...

13年以上前 | 0

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Please suggest a method using Vectorization.
Many ways to do it. Here is one: x = x.*(-1).^(1:length(x)) and here is another: x(1:2:end) = -x(1:2:end)

13年以上前 | 0

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