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How to pass extra parameters while using lsqcurvefit?
Create your subfunction to accept the input parameters: function output = AsphereLSQSub(param,xData,Kg,Ag,Bg,Cg,Dg); CC=par...

13 years 前 | 1

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Error:Subscript indices must either be real positive integers or logicals.
Try the command which real I suspect that you have a variable defined in your workspace that is named real when you are ...

13 years 前 | 0

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How to create a histogram plot with unequal bins?
b = -3:2; % specify bin centers n = hist(a,b) % generate numbers to populate bins bar(b,n) % plot the resul...

13 years 前 | 0

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Curve fit tool and log scale
I think you're looking for the function <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/semilogx.html SEMILOGX>.

13 years 前 | 0

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Hump-day puzzler - Unknown Function
I get the sense that this is not exactly what the user did, but this seems to do what is expected as a first try: F=@(x) eval...

13 years 前 | 2

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finding NON in matrix
I'm going to assume that you mean NaN. You can use the <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/isnan.html IS...

13 years 前 | 0

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Single-byte characters?
You can try the function <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/unicode2native.html unicode2native> which wi...

13 years 前 | 0

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summation
d = randn(64,1); s = sum(abs(d))

13 years 前 | 0

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Problems using "digitalio" with National Instruments NI 9401 CompactDAQ-Modul
This statement is because the NI 9401 device is not supported. Here is a list of <http://www.mathworks.com/products/daq/support...

13 years 前 | 0

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find peaks.
Try <http://www.mathworks.com/access/helpdesk/help/toolbox/signal/findpeaks.html FINDPEAKS>: [Xm Im] = findpeaks(X1) Fm = F...

13 years 前 | 0

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how to setup matrix with random unique combinations
If the columns and rows must all sum to 1, then try this: M = eye(4); M = M(:,randperm(4));

13 years 前 | 1

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copy graphic to Excel
hf = figure; surf(peaks) print('-dmeta',hf)

13 years 前 | 0

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Problem finding max value of column of an Matrix
A = [ 0 1 2 3 4 25 6 7 8 9 ; 9 5 1 20 3 6 4 7 8 5]' c1 = A(:,1) == max(A(:,1)); c2 = A(:,2) == max(A(:,2)); A = [c1 c2];...

13 years 前 | 0

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How to create a matrix out of single inputs in a loop?
Just change the line that defines B to this: B(a)=input('Enter the grades: '); This will result in a vector for B.

13 years 前 | 0

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String array and Numeric values
In your original code, you should change the line after the else statement to: NumRes=find(Nums==str2num(tst))

13 years 前 | 1

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pasting row elements as matrix
I think that you would like something like this: N = 10; C = repmat(b11,[1,1,N]); C = permute(C,[3,2,1]); % to bring it t...

13 years 前 | 0

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How do I add refreshable text label to my plot?
I tried the following and it worked: h = text(1,1,'hi there') delete(h) So I'm wondering if you would be able to show a...

13 years 前 | 0

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Use a different colormap for two images
Each figure has its own colormap, so you wouldn't be able to have two images in the same figure with one colormap. You may have...

13 years 前 | 1

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Solving a system of linear equations question.
First, set the equations up as matrices. So, if you had the following equations: 5*x + 2*y = 10 x = 2 You would conver...

13 years 前 | 0

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legend in subplot
You cannot have a legend that pulls data from more than one subplot. However, you can plot all the data in one subplot, then se...

13 years 前 | 0

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ODE solver for stiff system with 1 variable close to 0
Try using <http://www.mathworks.com/help/releases/R2011a/techdoc/ref/odeset.html ODESET> with the NonNegative property set.

13 years 前 | 0

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replacing numbers in columns
If your array is named A, you can apply the function <http://www.mathworks.com/help/releases/R2011a/techdoc/ref/isempty.html ISE...

13 years 前 | 0

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problem with datenum
I believe that the error is being thrown when you are trying to create datenumber. This could be because date contains a cell a...

13 years 前 | 3

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Display an imagie in 1:1 scale (pixel-for-pixel)
Try the <http://www.mathworks.com/help/releases/R2011a/techdoc/ref/axis.html AXIS> command: axis image

13 years 前 | 1

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Marking indexes
I think that all you want to do is this: x = [ 1 7 12 16 ]; y = zeros(1,20); y(x) = 1 If y is rather large, you ca...

13 years 前 | 0

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15 minutes intervals
I imagine that the date and timestamps look something like the following varibles. date = { '19.10.09' '1...

13 years 前 | 1

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Create a Menu From Excel Data
You can read the strings from the cells using <http://www.mathworks.com/help/releases/R2011a/techdoc/ref/xlsread.html XLSREAD>, ...

13 years 前 | 1

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Appending dataset of varying length
You can merge datasets using the <http://www.mathworks.com/help/releases/R2011a/toolbox/stats/dataset.join.html JOIN> function.

13 years 前 | 0

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How do I imread stimuli from a randomised array
You may wish to try by simplifying the code a bit. Try the following lines to see if you still get the same error message. ...

13 years 前 | 0

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Plots
If you add the following block of code to the end, it will show the wave propagating along the x-axis, but I don't think this is...

13 years 前 | 0

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