# Zarak kh

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**Content Feed**

Question

Find group number from a range of data that is not fixed

Hello, I need to solve a problem like below. I have a matrix with 1 column, with unknown number of rows. I have a random numbe...

2 years ago | 1 answer | 0

### 1

answerQuestion

An error while using polyxpoly for finding (xi,yi) of an intersecting line and circle

Hello, I need to connect point 2 and point 1 and find all the intersecting points(between red line and blue line/circle), So, I...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to find the equation of a tangent line to a circle ( known radius) from a known point? And How to find the intersection point on the circle?

How to find the equation of a tangent line to a circle ( known radius) from a known point? And How to find the intersection poin...

3 years ago | 1 answer | 0

### 1

answerQuestion

minimum distance when a circle is beetween two points

Hello, I have a question, I have the situation like figure below, a circle and two points A and B. I want to go from point A to...

3 years ago | 3 answers | 0

### 3

answersQuestion

Compare two matrix row by row and check if at least one row is different, enter the if loop

Hello I have a problem, here is a simple version of my question. Imagine I have two matrix, I want to compare each line of matr...

3 years ago | 2 answers | 1

### 2

answersQuestion

How to find the first intersection point while the results showing the order of matrix indx with polyxpoly?

hello I have the below data x=[25;12]; y=[31;6]; xd=[5;40;NaN;2;11;NaN;10;25]; yd=[13;16;NaN;8;9;NaN;25;20]; I want t...

3 years ago | 1 answer | 0

### 1

answerQuestion

Which line is the first line that has an intersection with another line? or what is the order of the intersectection points?

Hello, I have a problem in my code and I have simplified it as below: x=[12;25;7]; y=[6;31;15]; xd=[5;40;NaN;2;11]; yd=[13;...

3 years ago | 1 answer | 0

### 1

answerQuestion

how to apply two statement in if loop?

Hello I have two matrix below: A= [9 13; 11 9]; B=[12 6; 25 31; 5 13;11 16]; I want to check that if Matrix A is greater tha...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to define a variable which is numerical and changes in every cycle of the while loop?

Hello. I have a code that in a part of it there is a while loop, which is shown as below: while all(DIST((1:ncities),(1:nciti...

3 years ago | 1 answer | 0

### 1

answerQuestion

Find the number of a row in a matrix that have a minimum value compare to another specific row

Hello every body I have a matrix A, I need to find the minimum of row 3 and 4 (for example) on the first column. And I finaly w...

3 years ago | 1 answer | 0

### 1

answerQuestion

add new rows to a Matrix

Hello I have a matrix and I want to add new values on the rows which are the multiples of 3. Take the below as an example A=[A...

3 years ago | 3 answers | 0

### 3

answersQuestion

Surface and Line interaction point

Hello I have two pints and I need to find the surface passing them and then investigate even a line that passes new points A na...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to find out the cordinates of the intersection point of a line and a surface?

Hello I need to find out weather a line that connect to points in a 3D situation have an intersection with a surface or not, an...

3 years ago | 1 answer | 0