# Maaz Madha

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**Content Feed**

Question

Why are there negative PID coefficients?

Hi all The transfer function I have is a type 1 transfer function so it doens't respond to step response and has 0 steady sta...

9 months ago | 1 answer | 0

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answerQuestion

During flag=1 call must be a real vector of length 10 error

Hi all I have a nonlinear matlab code which is function[sys,x0,str,ts]=nonlinearxrae1_height(t,x,ui,flag,x0,s,ar,zf1,zf2,b,...

9 months ago | 0 answers | 0

### 0

answersQuestion

State space feedback simulink error

Hi all I have a state space feedback model as shown below and when I run it I get an error Any comments would be appre...

10 months ago | 1 answer | 0

### 1

answerQuestion

How to get a close loop transfer function from an open loop one?

Hi all The transfer function for my open loop system is 13.11 s^3 + 30.28 s^2 - 17650 s - 692.3 -----------------------...

11 months ago | 1 answer | 0

### 1

answerQuestion

How to factorise functions of order 4 in matlab

Hi all I have MIMO transfer functions such as these and would like to factorise the denominator in the form of My cur...

11 months ago | 1 answer | 0

### 1

answerQuestion

For loop for equation

Hi I have a vector of 42*1 values and need to implement two other vectors(l and u) of the same size. The two vectors have a s...

1 year ago | 1 answer | 0

### 1

answerQuestion

How to convert text file to string?

I have a text file (containing text and not numbers) and I would like to convert it to a string so that it becomes like. I have ...

1 year ago | 1 answer | 0

### 1

answerQuestion

How to denoise an image

I am trying to denoise an image and so far have done this As a res I = imread('noise1.png.png'); II=imread('Original.jpg');...

1 year ago | 1 answer | 0

### 1

answerQuestion

How to convert from gray scale to RGB

I am coding a denoising filter for a colored image and from my understanding I need to convert the original picture into a greys...

1 year ago | 2 answers | 0

### 2

answersQuestion

How to use linspace on a matrix

Dear all I have these values on a matrix and would like it to decrease from 0.8112 to 0.6(for the first column) evenly acro...

2 years ago | 2 answers | 0

### 2

answersQuestion

M-ary PSK code from M-ary QAM code

Hi all. My professor has handed a code for the M-ary QAM % function for realizing M-QAM modulation % function simSerMQAM =...

2 years ago | 0 answers | 0

### 0

answersQuestion

How to add values in a vector based on repeating values on another?

Hi I have two vectors of the same length and . I want it to be so that everytime a value in the first array repeats(for exam...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to deleter specific elements from a matrix without changing its shape

I have this matrix and i want to delete every number greater than 0.81 in each column but without changing the overall struc...

2 years ago | 2 answers | 0

### 2

answersQuestion

How to split vector to columns based on index?

Hi all Hi all How do I split this vector in such a way that everytime the consecutive value is less than the one before th...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to approximate one array based on another array?

Hi all So I have an array and another array and I want to approximate the first array intp the second so that the the code ...

2 years ago | 0 answers | 1

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answersQuestion

How to approximate value to values in an array

Hi all So I have a bunch of values in an array(serial time number in seconds) and I want it so that everytime I run the clock...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to split an array based on the maximum number?

Hi How can I split this array so that the 3000s would be in a different array and the 2000s would be in a different one. I ...

2 years ago | 1 answer | 0

### 1

answerQuestion

Setting up time and date

Hi I'm trying to set up a date and time where it reads from 1:00 today(as in today the time function not today today) till 00...

2 years ago | 1 answer | 0

### 1

answerQuestion

Problem dividing matrix by vector

Hi I have a matrix of 20301*20301 and a vector of 20301*1 ...(after 201 iterations, so at cell 202 the numbers start.Before...

3 years ago | 0 answers | 0

### 0

answersQuestion

Creating a vector from nested for loops

Hi So I basically want to create a column vector from two nested for loops Initially, i planned my code to be like fo...

3 years ago | 1 answer | 0

### 1

answerQuestion

Getting NaN after division of matrix by vector

So for my assignment I had to form a matrix A and divide it by a column vector b to get the answer needed and plot it. Problem i...

3 years ago | 0 answers | 0

### 0

answersQuestion

Index in position 1 is invalid error

n=(L/delta_x)+1;%%lecture notes 21/1/2020. Converts rectangle to a mesh m=(H/delta_y)+1; x=[0:delta_x:L]'; y=[0:delta_y:H]'; ...

3 years ago | 1 answer | 0

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answerQuestion

Saving data from nested for loop

Hi I want to store data from a nested for loop and this is my code %%Initialisation 1 delta_x=(2*pi)/100; delta_y=delta_x...

3 years ago | 1 answer | 0

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answerQuestion

Gauss Seidel Method problem

I have to write two codes one for Jacobi and one for Gauss Schiedel For the Gauss Schiedel one I coded clc clear ...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to count the lines crossing the y axis?

Hi. In my project I have to plot 50 lines randomly(length 3 and random angle) and to count the number of lines crossing the...

4 years ago | 2 answers | 0