# 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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**Content Feed**

Question

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...

13 dagar 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...

ungefär en månad 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?

3 månader ago | 0 answers | 0

### 0

answersQuestion

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...

3 månader 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...

3 månader 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...

3 månader 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...

3 månader 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...

4 månader ago | 1 answer | 0

### 1

answerIdentifying numbers within a long string containing multiple occurrences of text and numbers in one row

Thank you both!

5 månader 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...

5 månader 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...

5 månader 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...

6 månader ago | 0 answers | 0

### 0

answersShifting one curve to a reference curve using error minimization (fmincon from the Minimization Toolbox)

Sure. I just did!

6 månader 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

6 månader 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 ...

7 månader 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...

8 månader 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 ...

9 månader ago | 1 answer | 0

### 1

answerQuestion

Solving set of nonlinear equations with multiple roots

I would like to solve the set of nonlinear equations for x & y, where the set of equations if defined in the function "Uniaxial"...

9 månader ago | 0 answers | 0

### 0

answersQuestion

Complex roots of sin(2*x)-2*x=0

How can i use fsolve to obtain the complex roots of the equation: sin(2*x)-2*x=0?

10 månader ago | 2 answers | 0

### 2

answersQuestion

Delete/remove entire rows and columns containing an element that satisfies a condition (e.g. when the element is an imaginary number)

In an array containing elements that are imaginary numbers, how can I remove the entire row(s) and column(s) containing any of t...

11 månader ago | 2 answers | 0

### 2

answersQuestion

Combining two character arrays so that the elements of one of them is added in between the elements of the other one

I want to combine two character arrays x='ABCDEFGHIJKLMNOPQRSTUVWXYZ' and a='AAAAAAAAAAAAAAAAAAAAAAAAAA' so that A is alte...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Finding the elements within a certain range [XMin, XMax] in every column of an array, then converting all the elements of each column within that range to the minimum of that range

I want to find all the elements within a certain range in every column of an array. For example, I want to find all the elements...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Finding the elements within a certain range [XMin, XMax] in every column of an array, then converting all the elements of each column within that range to the minimum of that range

I want to find all the elements within a certain range in every column of an array. For example, I want to find all the elements...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Find element satisfying condition in 3D array, then apply operation to all elements in the column number

I have two 3D arrays A & B with I x J x K elements. I want to find all the elements that satisfy a certain condition in A (e.g. ...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Integral of exp(-x)*P(x)/Q(x) in terms of exponential integral in symbolic tooblox

I am trying to find an analytical soltuion to the integral I= int(exp(-x)*P(x)/Q(x),x,0,inf) where P and Q are both polynnomi...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Shifting datasets using error minimization and optimization

In the field of polymer rheology, it is sometimes necessary to perform tests at different temperatures and then shifting them to...

mer än ett år ago | 0 answers | 0

### 0

answersQuestion

How to use external function to plot a graph in GUI or app designer

Currently I can only write the plotting command inside the code view of my GUI form. In cases where I need to write multiple com...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Referring to a specific column of a uitable as logical (with checkboxes)

My program needs to read data from a database and then add checkboxes to an extra column on the right hand side of the data. How...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

BVP4C is returning x and y output vecotrs that are different in length from the original x vector. Is there a way to fix the length of x ans y?

I would like to solve a set of BVPs with the starting x values (second line of the code below) in a vector of length 50, but whe...

nästan 2 år ago | 0 answers | 0

### 0

answersQuestion

Padé approximant for a numerical data array

I am looking for the Padé approximant of a data array such as y. y cannot be given explicitly and is generated by another routin...

nästan 2 år ago | 2 answers | 0