
Saeid
Professional Interests: Rheology, Polymer Processing, Rubber Mechanics, Polymer Physics, Micromechanics, Finite Difference Method, Finite Element Method, Computational Fluid Dynamics, CFD, Viscoelasticity, Constitutive Modelling, Material Science
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Question
Converting the outpur of a fit (e.g. sfit) into a string format, then pasting the text to a Text Area in app desginer
I have two problems: 1- I don't know how I can convert the output of a fit, which in my case comes as the class "sfit", into a...
4 maanden ago | 2 answers | 0
2
answersQuestion
Plotting the outcome of a 3D fit
I have a set of data in the form [X Y Z] where X, Y and Z are column arrays. I can plot these data using scatter3. However, when...
4 maanden ago | 1 answer | 0
1
answerQuestion
Finding the predominant value in multiple sets of data
I have multiple sets of XY data that look like the following graph, where each set has a different color. The maximum of the blu...
4 maanden ago | 1 answer | 0
1
answerQuestion
Turning all elements of a column array into the same factor of 10
I have an array that looks like this: X=[19.9 20 20 20.1 20.12 19.81 20 20 20 ... ] So it is predomintantly an integer factor...
4 maanden ago | 1 answer | 0
1
answerQuestion
.MAT file with multiple tabs/sheets
I would like to copy the contents of a multi-sheet excel file into a .mat file. Is it possible to have a multi-sheet .MAT file? ...
6 maanden ago | 1 answer | 0
1
answerQuestion
In an array xy=[x y], reduce array length by assigning average values of y based on a predefined range of x
I have the x values in the range x=[x1 ... xn] and y values related to x through the function f as in y=f(x). Now I want to brea...
7 maanden ago | 1 answer | 0
1
answerQuestion
Saving output values into a and archive .mat file which grows with time
I am currently writing a lab applicaiton that calculates certain values by analyzing IR spectra. I would like to store the numer...
9 maanden ago | 1 answer | 0
1
answerQuestion
Loading data from .mat file and converting them to string array
I need to create a .mat file in which I save a string array using the following two command lines (the original array could be m...
10 maanden ago | 2 answers | 0
2
answersQuestion
3D color map of F=F(x,y,z) where data is given as a 2D array of the form [x y z F]
The output of a CFD calculation is usually given in the form of a 2D array [x y z F] where F is a function such as pressure or v...
11 maanden ago | 1 answer | 0
1
answerQuestion
Reduce a large XY array to a much smaller xy array where the x data is diluted to a much smaller vector and y values are the mean of the ones inbetween
I need to dilute a very large XY array where e.g. length(X)=10000 and I want to reduce the length of this array to a much smalle...
12 maanden ago | 2 answers | 0
2
answersQuestion
Why does integration of an exponential function generate noisy results as opposed to its analytical solution?
The above question is of course a bit too general, but basically it would be of great advantage to find a way to ensure that num...
ongeveer een jaar ago | 1 answer | 0
1
answerQuestion
Analytical Solution of Double Integral in Symbolic Math
The following integral is known to have an analytical solution int(sin(x)*(a^2*cos(x)^2 + sin(x)^2/a)^(1/2), x) but Symbolic ...
ongeveer een jaar ago | 1 answer | 0
1
answerQuestion
Is it possible to decide which line is variable names in readtable?
I want to use readtable to read data from an excel file. As I understand, in readtable, the first line is automatically the vari...
meer dan een jaar ago | 2 answers | 0
2
answersQuestion
Searching for slightly different versions of one string in another string array
I am looking for slightly diffeerent versions of a string S in the array A. For example, the string S that I am searching for ma...
meer dan een jaar ago | 1 answer | 0
1
answerQuestion
Finding elements in string or cell array with common strings
Consider two arrays A & B: A={'blah_12_blah' 'blah_456_blah' 'blah_789_blah' 'blah_NPQZ_blah'} B={'blah_NPQZ_blah' 'blah_135_b...
meer dan een jaar ago | 1 answer | 0
1
answerQuestion
Is it possible to save 2D or 3D graphics in a common CAD format (STEP File or .dwg file)?
Is it possible to create a 2D or 3D graphic shape in MATLAB and then convert it into a common CAD file?
bijna 2 jaar ago | 1 answer | 0
1
answerQuestion
Repeating the rows of an array by a number given by another array
Consider the array: x=[linspace(1,4,4)' linspace(5,20,4)'] I would like to repeat each row by a number given by another array...
bijna 2 jaar ago | 2 answers | 0
2
answersQuestion
Combining a number and a string array (both columns) into a single column string array.
How can the number array: NUMM=linspace(1,10,10)' and the string array: STRR=repmat('X='10,1) be combined to give a string a...
bijna 2 jaar ago | 2 answers | 0
2
answersfsolve yields initial guess as solution to non-linear equation
Thank you Davide! This really works, although it is not completely indpendent from the initial guess. Of course I know that an i...
bijna 2 jaar ago | 0
Question
fsolve yields initial guess as solution to non-linear equation
I am currently trying to solve a non-linear equation using the following program: clc; format long g; a=0.5; Eta0=100; t12=1e...
bijna 2 jaar ago | 2 answers | 0
2
answersQuestion
Average number of y for y=f(x) where there are several y values for the same x
I have an array y where y is a function of x but for every x there are multiple values of y. x=[x1 x1 x1 x1 x1 x2 x2 x2 x2 x3 x...
bijna 2 jaar ago | 1 answer | 0
1
answerIdentifying numbers within a long string containing multiple occurrences of text and numbers in one row
Thank you both!
bijna 2 jaar ago | 1
Question
Identifying numbers within a long string containing multiple occurrences of text and numbers in one row
Read from a text file, my input array contains one row that looks like this: x y z...
bijna 2 jaar ago | 2 answers | 0
2
answersQuestion
Assigning array-type names to elements of a GUI or App
How can I assign names coming from a string array to the elements of an App? Example: I have the following string array CBNam...
bijna 2 jaar ago | 1 answer | 0
1
answerQuestion
Finding local minima and maxima of DSC curves using islocalmin and islocalmax
DSC (Differential Scanning Calorimetry) is a thermal analysis method used in material science and chemistry to understand the th...
ongeveer 2 jaar ago | 0 answers | 0
0
answersShifting one curve to a reference curve using error minimization (fmincon from the Minimization Toolbox)
Sure. I just did!
ongeveer 2 jaar ago | 0
Shifting one curve to a reference curve using error minimization (fmincon from the Minimization Toolbox)
Hi Mathieu, thanks for the elaborate response and sorry for my late reply. Yes, it worked pretty well! Saeid
ongeveer 2 jaar ago | 0
Question
Shifting one curve to a reference curve using error minimization (fmincon from the Minimization Toolbox)
I need to shift the red curve ONLY horizontally to overlap with the black one. This should be possible using error minimization ...
ongeveer 2 jaar ago | 3 answers | 0
3
answersQuestion
Curve Fitting Using External Function
Using the Curve Fitting Toolbox, is it possible to put the fitting function outside of the fittype? A general example of the way...
ongeveer 2 jaar ago | 1 answer | 0
1
answerQuestion
How to recognize discontinuity of slope in numerical data
I am dealing with a set of data that, when plotted, shows a breaking point as shown in circles. How can I identify these points ...
ongeveer 2 jaar ago | 1 answer | 0