Answered
curve fitting for multiple variable
Hi zohre vash, that depends strongly on what kind of model function you are using. cftool provides a bunch of functions and a G...

5 years ago | 0

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Answered
structures to matrix for preparing for classification
Hi Amir Naderi, if all data to concatenate are within the field 'property' and have same size of matrix you can apply struct2ce...

5 years ago | 1

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Find and remove a value from an array
Hi Zenia Askar, Assuming the content of your variables 'done' and 'next' are numeric your code cannot remove a single value fro...

5 years ago | 0

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Answered
Could anyone help me how to overcome the error in the following code:
Hi jaah navi, To display the legend use lgd = legend('show'); The property/method 'NumColumns' does not exist. What is the pu...

5 years ago | 0

Answered
cant get a good fit
Hi Thaer Ismail, the following plot command is not correct: plot(Sw,F(x,Pc)) According to your data handling it should be pl...

5 years ago | 0

Answered
We want to get colors on edit text in GUI. How can we do this ?
Hi cevdet kopuz, if you use uicontrol()-elements in your GUI, you can make use of the properties "ForegroundColor" and "Backgro...

5 years ago | 0

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Display string and variable value in a window in a GUI or different output
Hi chris bowman, there are some issues within the code snippet you provided: Matlab does not need an initiation of variables a...

5 years ago | 3

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Answered
Problem to output value from custom GUI with radiobuttons
Hi Sarah, the way how handles are assigned and used in guidata is not correct. Please refer to the documentation of guidata(). ...

5 years ago | 0

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Answered
Repeat elements of a vector as matrixes in a multidimensional array.
Hi Marius Adom, If I understood your task correctly, you can use arrayfun() to create each x-y-Matrix and concatenate them usin...

5 years ago | 1

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Answered
Convert all my txt file to graph and save it as image file
Hi kenneth lee, have a look at these two built-in functions: saveas() print() Kind regards, Robert

5 years ago | 0

Answered
Undefined unary operator '.'' for input arguments of type 'function_handle'.
Hi Clarisha Nijman, your b is a function handle to the anonymous function with input arguments x and y. Gradient itself is - as...

5 years ago | 0

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Answered
lsim: Remove input signal from plot
Hi cricketking13, if you don't want to have lsim plot the default plot, just "collect" the output and plot as you desire: %% L...

5 years ago | 0

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Answered
Whiteout/Remove some part of the contour plot
Hi Muhammad Usman, instead of assigning Zero to the nodes you don't want to use, apply "nan"-Values. That will be treated as if...

5 years ago | 3

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Answered
How can I write this code in matlab and have it run? ( all variables have been defined but it keeps giving me an error on this line)
Hi Adam Sabah, when I run your code I get this error message: ue = 1-4*sin((3*pi*x)/(2*L))*exp(-tmax(A/B))+4*sin((7*pi*x)/(2*L...

5 years ago | 0

Answered
Concatenate cell with numeric array in tables
Hi Marcus Watson, an straight-forward solution would be checking the variable types stored in the table. In case they don't mat...

5 years ago | 0

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Answered
How to get rid of Nan when calculating mean
Hi Emmanuel Gonzalez-Figueroa, The function mean() commes with a so-called nanflag: https://de.mathworks.com/help/matlab/ref/me...

5 years ago | 1

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Answered
'String scalar or character vector must have valid interpreter syntax:' for Sigma
Hi Yaser Khojah, I found the following description in the documentation of corrplot(): "Variable names to be used in the plots...

5 years ago | 0

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Answered
Summation issue using loop
Hi Ali aaa, in your code parts are missing. Without knowing any constraints about the variables, I suggest the following soluti...

5 years ago | 0

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How to open files with similar names
Hi Carlo Speranza, first of all, get rid of the eval()-command. That is usually not needed, difficult to debug and prone to err...

5 years ago | 0

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Filtering a region of Interest
Hi Oreoluwa ADESINA, What you describe is part of the example shown in the roifilt2-documentation found here: https://de.mathwo...

5 years ago | 0

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Answered
How do I get the row numbers of the 'list' where the values are equal to the values of the array 'days'
Hi Yannick Leroy, the function ismember() allows to compare matrices with vector elements. The function find() supplies the ind...

5 years ago | 0

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Answered
Cell to array of strings
Hi Liam Ryan, what you describe is not a cell array of strings but char. You can convert it straightforward by applying string(...

5 years ago | 2

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Adding Hexadecimal numbers?
Hi Jed Louise Lesma, Despite the extra bracket in your code (I removed it), the method you tried should work: a = '3afb'; b =...

5 years ago | 1

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Answered
Radio Button Group not working
Hi Mo Jay, The default Units property is 'normalized'. Your button group is outside the visible area. GUI.fh = figure; %Butto...

5 years ago | 1

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Answered
Can't plot reference line in pcolor-plot with logarithmic y-axis
Hi TIm Hilt, the problem is that on logarithmic scale zero is not defined thus your line does not have a valid starting point (...

5 years ago | 0

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Answered
Break a while loop in a GUI Pushbutton
Hi MINKYUNG KIM, below you find an example for breaking a while loop within a pushbutton controlled GUI. The data exchange is d...

5 years ago | 1

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Answered
Separating and reprinting a big string
Hi bws1007: The string to write needs to be scalar. The command fwrite() is used to write into binary format, thus it does not ...

5 years ago | 0

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Answered
Linear scale to Log scale in CWT
Hi Raviteja, the command cwt() allows to use the output matrix of the wavelet transform to produce your own plots. One possibil...

5 years ago | 0

Answered
Get frequency value from the Continuous Wavelet Transform
Hi Angus Joyce: You did not provide any data, thus I could not work on your example. The mathworks example files for wavelet tr...

5 years ago | 2

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Answered
Integrate for a specific period of time
Hi Allison, you can use one of Matlab's integrated ODE solvers to solve your differential equation. The code below makes use of...

5 years ago | 0