# 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**

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

Thank you both!

9 days ago | 0

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...

9 days 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...

25 days 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...

1 month ago | 0 answers | 0

### 0

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

Sure. I just did!

2 months 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

2 months 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 ...

3 months 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...

4 months 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 ...

4 months 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"...

4 months 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?

6 months 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...

6 months 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...

10 months 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...

10 months 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...

10 months 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. ...

10 months 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...

12 months 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...

1 year 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...

1 year 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...

1 year 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...

1 year 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...

1 year ago | 2 answers | 0

### 2

answersQuestion

Outer Bounds of a Dataset

I have a set of xy data and I want to find the outer bounds of this set so that when I plot the data and connect these outer bou...

1 year ago | 1 answer | 0

### 1

answerQuestion

Third Order Boundary Value Problem (BVP) with Boundary Coditions only in Terms of Derivatives

I need to solve the boundary value problem (related to flow of fluids in conical ducts): Y''' + 1 - Y'^2 = 0 with all the thre...

1 year ago | 0 answers | 0

### 0

answersQuestion

Solving nonlinear implicit differential equation of the form F(t,y(t),y'(t),y''(t), y'''(t), ...)=0 in MATLAB using ode15i

Is it possible to solve implicit differential equations of the form F(t,y(t),y'(t),y''(t), ..., y(n))=0 in Matlab? The specific ...

1 year ago | 1 answer | 0

### 1

answerQuestion

Change Edit Filed text from external function

I am trying to design a GUI console, named e.g. MainConsole where input values are entered and then sent to an external function...

1 year ago | 1 answer | 0

### 1

answerQuestion

Call to function with multiple outputs

Considering the function with multiple outputs of different array sizes [y1 y2 y3 y4]=f(x) sometimes inside a program I just n...

1 year ago | 1 answer | 0

### 1

answerQuestion

Stepsize in integral2 or quad2d

I would like to solve the double integral: for i=1:length(z) fz= @(P,Q) sin(P).*(sqrt(1+z(i).*cos(Q).*(sin(2*P)+z(i).*cos(...

1 year ago | 1 answer | 0

### 1

answerQuestion

Compare positions of strings in two cell arrays having the same string elements

I have two cell arrays F1 & F2 having the same elements, but the positions of elements in F2 have been shuffled: F1 = {'ET...

1 year ago | 1 answer | 0

### 1

answerQuestion

Cover shapes in background with filled shapes in foreground

I would like to draw shapes using the polyshape function, e.g. by writing: x0=[0 0 200 200]; y0=[10 0 0 10] SquareSh...

2 years ago | 0 answers | 0