# Kian Azami

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**Programming Languages:**

Python, C++, MATLAB, Arduino

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Question

Is it possible to find out the x and y coordinates of the line plot in a JPEG photo?

I have a diagram in jpeg and I want to find the x and y coordinates of the plot in the image. I have attached the image to the q...

meer dan 6 jaar ago | 1 answer | 0

### 1

answerQuestion

How to make a user interface for my regression model?

Hi everybody. I have a statistical model which is able to predict the responses if we put the correct input inside it. I jus...

meer dan 6 jaar ago | 1 answer | 0

### 1

answerWrite a MATLAB program to determine the response of the following system

I think you can use the following code: a = 0.5; for n=1:200 x(n) = 3*sin(2*pi*0.2*n); if n == 1 y(n) =...

meer dan 6 jaar ago | 2

Solved

Energy of a photon

*⚛ ☢ ⚛ ☢ ⚛ ☢ ⚛* Given the frequency F of a photon in giga hertz. Find energy E of this...

meer dan 6 jaar ago

Solved

How to subtract?

* Imagine you need to subtract one number from another using MATLAB. * You will not be using eval for this task. * Given two A...

meer dan 6 jaar ago

noise removal from the part of the medical image where noise is actually present, not the whole image

You can do something as follow which I learned from one of the <https://it.mathworks.com/matlabcentral/profile/authors/8859523-a...

meer dan 6 jaar ago | 0

Question

What are Estimated coefficients parameters (Estimate, SE, tStat, pValue) when we do the linear regression model by the command fitlm?

Hello, If you try the matlab example about linear regression by the following code: load carsmall tbl = table(Weight,Ac...

meer dan 6 jaar ago | 1 answer | 1

### 1

answerHow to draw a contour plot over a bi-variate Gaussian in such a way that the lines represent the probability of a sample being within that line?

By defining the annotations in your code and defining the position of the annotation as the position of your contour, you can sh...

meer dan 6 jaar ago | 0

Solved

Determine whether a vector is monotonically increasing

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

meer dan 6 jaar ago

Solved

Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

meer dan 6 jaar ago

Solved

Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

meer dan 6 jaar ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

meer dan 6 jaar ago

Solved

Triangle Numbers

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

meer dan 6 jaar ago

Question

How to choose the boundaries of the gray zone in the image?

I have an image and I would like to write a program in order to separate the gray part of the image which is a footprint of a ti...

meer dan 6 jaar ago | 1 answer | 0

### 1

answerAdd markers at min max points in a triangular plot

You can change your code a little bit to have the results you want: clc close all clear all ts=0.1; t=-5:ts:5; y=repma...

meer dan 6 jaar ago | 1

manually subsetting data for training and testing purposes

for making training and testing dataset you can use the following commands: % First you make crossvalidation partitioning o...

meer dan 6 jaar ago | 1

I have extracted 'time' from excel sheet but got in different format.

Maybe you can change them to dates and separate the time as follow: data = xlsread('winddata','C10:C2980'); % for the month...

meer dan 6 jaar ago | 1

is it possible to display the graph of ATAND in just one quadrant?

You mean something like this: close all clc; xi=0.3; x=0:0.05:4; d=1.-x.^2; e=2*xi*x.^1; fi=atand(e./d); idx0 = find...

meer dan 6 jaar ago | 0

help completeing Alphabetical matrix problem

If your question is understood correctly, by the following code you can create the Alphabetical matrix that you need: clc ...

meer dan 6 jaar ago | 0

| accepted

How to use symbolic toolbox to remove a redundant variable from the equation?

maybe if you put your functions here it will be better. However, logically you have two equations and three unknowns and it is n...

meer dan 6 jaar ago | 0

| accepted

Textscan and cpu usage

I just heard that the computation process by the cpu is a very nonlinear process and for this reason every time you see a differ...

meer dan 6 jaar ago | 0

Set custom x and y axis

Maybe you just need to use: xlim([xmin xmax]) ylim([ymin ymax])

meer dan 6 jaar ago | 0

Creating a matrix with variables

I think you can easily do this by saving your A variable to a new variable like B and a small change in your for loop: n =...

meer dan 6 jaar ago | 0

| accepted

How to edit properties of a plot and highlight certain points in the graph at the same time?

Mario you are using a wrong command for highlighting your points. Just you need a very small change to highlight the points as f...

meer dan 6 jaar ago | 0

| accepted

how to find Y value in a parametric plot without cursor

To define the X matrix you need to put the "." before the "/" as below: X= (3*t)+ (1./sin(t)); The Y is the function of ...

meer dan 6 jaar ago | 0

Making the best fit for this data

If you use the application of Curve Fitting Tool in the app section, you can easily find the best fitting model for your data. F...

meer dan 6 jaar ago | 0

Question

How to search the files inside a zip file?

I have a zip file which contains another 1000 zip files and I need to search among these zip files and separate 200 of them and ...

meer dan 6 jaar ago | 1 answer | 0

### 1

answerHow to match and take the part of the string between two specified characters

You can use the following code to extract the lines relevant to 'Start Time' and the 'Duration' and then acquire the required d...

meer dan 6 jaar ago | 0

Question

Generate plot in the 2nd screen?

Hello, I am using matlab and I have two monitors. One monitor is the command window and the other one is the Editor. My matlab f...

meer dan 6 jaar ago | 2 answers | 2

### 2

answersLoops matrix to find zero then cancel the rows relative and create a new matrix

Hello, If A is a Matrix you can simply do it by the following command: B = A(A(:,3) ~= 0,:) if A is Table: B = A{A{:...

meer dan 6 jaar ago | 0