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Jakub Rysanek


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Last seen: mer än 2 år ago |  Active since 2014

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Answered
Differentiation without symbolic toolbox. Is it possible numerically?
<https://www.mathworks.com/matlabcentral/fileexchange/59438-symbolic-derivatives>

ungefär 7 år ago | 0

Question


M2014b+ graphics, changing legend orientation ex post
Under new Matlab graphics, changing the legend orientation does not work well if the legend was created with all 4 output argume...

mer än 7 år ago | 1 answer | 0

1

answer

Answered
Orange Color isolate from the image
You can define a set of RGB codes that define "orange" color and then apply image thresholding like this: % Load image from...

mer än 7 år ago | 0

Answered
how to do differentiation?
If you do not have access to Symbolic Math Toolbox, you may want to use one of my recent FileExchange submissions: <http://ww...

mer än 7 år ago | 0

Answered
Problem with solving equation with 'FSOLVE'
To me it appears that the initial conditions to your optimization problem must lie within a specific, perhaps bounded, region. F...

mer än 7 år ago | 0

Answered
How can I maintain zoom ratio in refreshing plot?
You can assign a user-defined callback function to the zooming tool: figure; plot(1:10); zz = zoom(); set(...

mer än 7 år ago | 0

| accepted

Answered
Rotate the plot at 45 degree
I would simply rotate all data using the planar (2D) transform with respect to the origin: angle = pi/4; reference_line ...

mer än 7 år ago | 1

Answered
How to insert image in MatLab
imread() can import whole bunch of graphical data types, including .jpg and .png. Conversion to .png, as you ask, is not necessa...

mer än 7 år ago | 2

Answered
How to setup legend for a figure with two axes (left and right)?
You can create the legend using the handles of your line objects: l1=line('parent',ax(1),'xdata',x,'ydata',y11,'color','b')...

mer än 7 år ago | 2

| accepted

Answered
Please help me to solve this newton-raphson method
In this case I would go with roots([1,-16.05,88.75,192.0375,116.35,31.6875])

mer än 7 år ago | 0

Answered
Solving linear systems with the QR factorisation
[1] If the solution of Ax=b is believed to be unique: [qq,rr] = qr(A); x = rr\qq.'*b; [2] If the system Ax=b has ...

mer än 7 år ago | 0