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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Pregunta
Discretizing a column array, and performing operations on elements of another column array of the same length that lie in the same bins as the original one
I have a data array that is composed of column vectors X, Y, & Z (coordinates) and an array F that has one or multiple columns o...
alrededor de 1 mes hace | 2 respuestas | 0
2
respuestasPregunta
The problem with "contains"
I have an string array containing longer strings, let's say it is called LongStrings. Then I have an array of shorter strings, a...
3 meses hace | 1 respuesta | 0
1
respuestaPregunta
Reading and finding string in a text (.TXT) file containing string and numerical data
I am trying to read data from a text file (attachment). This is a typical summary output from a CFD simulation which has a short...
3 meses hace | 2 respuestas | 0
2
respuestasPregunta
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...
7 meses hace | 2 respuestas | 0
2
respuestasPregunta
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...
7 meses hace | 1 respuesta | 0
1
respuestaPregunta
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...
7 meses hace | 1 respuesta | 0
1
respuestaPregunta
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...
7 meses hace | 1 respuesta | 0
1
respuestaPregunta
.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? ...
9 meses hace | 1 respuesta | 0
1
respuestaPregunta
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...
10 meses hace | 1 respuesta | 0
1
respuestaPregunta
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...
alrededor de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
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...
alrededor de 1 año hace | 2 respuestas | 0
2
respuestasPregunta
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...
alrededor de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
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...
más de 1 año hace | 2 respuestas | 0
2
respuestasPregunta
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...
más de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
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 ...
más de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
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...
casi 2 años hace | 2 respuestas | 0
2
respuestasPregunta
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...
casi 2 años hace | 1 respuesta | 0
1
respuestaPregunta
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...
casi 2 años hace | 1 respuesta | 0
1
respuestaPregunta
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?
alrededor de 2 años hace | 1 respuesta | 0
1
respuestaPregunta
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...
alrededor de 2 años hace | 2 respuestas | 0
2
respuestasPregunta
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...
alrededor de 2 años hace | 2 respuestas | 0
2
respuestasfsolve 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...
alrededor de 2 años hace | 0
Pregunta
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...
alrededor de 2 años hace | 2 respuestas | 0
2
respuestasPregunta
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...
alrededor de 2 años hace | 1 respuesta | 0
1
respuestaIdentifying numbers within a long string containing multiple occurrences of text and numbers in one row
Thank you both!
alrededor de 2 años hace | 1
Pregunta
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...
alrededor de 2 años hace | 2 respuestas | 0
2
respuestasPregunta
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...
más de 2 años hace | 1 respuesta | 0
1
respuestaPregunta
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...
más de 2 años hace | 0 respuestas | 0
0
respuestasShifting one curve to a reference curve using error minimization (fmincon from the Minimization Toolbox)
Sure. I just did!
más de 2 años hace | 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
más de 2 años hace | 0