J.S.

Active since 2018

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Question

Change the method of curve fitting in fitoptions
I am trying to fit a custom model to some data, and have tried to change the fitoptions of this model: Off_Fit=fittype('a...

mer än 7 år ago | 1 answer | 0

1

answer

Answered
CurrentPoint and ButtonDownFcn give different results
Thanks for your help, Walter. Using ginput (https://www.mathworks.com/help/matlab/ref/ginput.html) gave me the results I needed....

mer än 7 år ago | 0

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Question

CurrentPoint and ButtonDownFcn give different results
Hi, I have a figure with axes x=8-10 microns, y=30-40 microns. When I click on the figure, in the image region (not the backg...

mer än 7 år ago | 1 answer | 0

1

answer

Question

WindowButtonDownFcn tries to access a callback function that no longer exists
I have been working with the WindowButtonDownFcn. At one point, I implemented set(myfig_h,'WindowButtonDownFcn',@see...

mer än 7 år ago | 1 answer | 0

1

answer

Question

Create a new figure when using ButtonDownFcn
This is a follow up to my previous question: https://www.mathworks.com/matlabcentral/answers/409465-use-buttondownfcn-on-an-ima...

mer än 7 år ago | 0 answers | 0

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answers

Question

Use ButtonDownFcn on an image
I have a (pixelated) image that has been created from an array of data using the function imagesc(). I would like to click on ...

mer än 7 år ago | 0 answers | 0

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answers

Question

3d array indexing problem
I have a 3 dimensional array with 400 pages composing the third dimension. The coordinates are (y,x,time). [x and y are flipped ...

mer än 7 år ago | 0 answers | 0

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answers

Question

(somewhat) specifying coefficients for curve fitting
I have a set of data that I am fitting with the modified ("custom", because it has offsets) two-exponential fit a*exp(b*(x-x0))...

mer än 7 år ago | 1 answer | 0

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answer

Question

Setting your own start points for curve fitting
I have a set of data which I am attempting to fit via a modified ("custom") two-exponential function: a*exp(b*(x-x0))+c*exp(d*...

mer än 7 år ago | 1 answer | 0

1

answer

Question

Custom Fit Fit options
I have created a custom fittype and tried let MATLAB itself find the starting point, given lower and upper bounds that I specify...

mer än 7 år ago | 1 answer | 0

1

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Question

Define multiple starting points for two-exponential curve fitting (Curve Fitting Toolbox)
Hi, I have a set of data on which I need to use the two-exponential decay model 'exp2' from the Curve Fitting Toolbox. When I...

mer än 7 år ago | 1 answer | 0

1

answer

Question

NaN and Inf error when using "fit"
Does anyone know why this error occurs when "fit" is called? My data contain no NaN or Inf. Warning: NaN, Inf, or complex v...

mer än 7 år ago | 1 answer | 0

1

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Question

Cell array and strings
I have initialized a series of vectors named _vector1_, _vector2_, ... _vector8_, and am using the code below. for k=1...

mer än 7 år ago | 1 answer | 0

1

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Question

The mean function and decimal places
Below is a snippet of code that is acting unexpectedly: maxmean= -inf; stripemean=0; while stripemean>=(10*maxmean) ...

mer än 7 år ago | 0 answers | 0

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answers

Question

Install 30-day toolbox trial when a MATLAB license exists
I have a standard MATLAB license (R2015b) and received a download link from MathWorks for two toolbox trials I requested. The de...

mer än 7 år ago | 0 answers | 0

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answers

Question

Integration of discrete data which have a non-linear relationship
In the https://www.mathworks.com/help/matlab/math/integration-of-numeric-data.html documentation page, it is noted that non-line...

mer än 7 år ago | 1 answer | 0

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Question

Is the upper limit of a color bar the true maximum value of the data in the color map, or is it larger ?
Reason for asking: When an ordinary graph is plotted, the x and y axis limits are often larger then the maximum values of my dat...

mer än 7 år ago | 1 answer | 0

1

answer