# mohammad heydari

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Question

How can I draw a fft transform?

Hi, I encounter the problem of transforming a shape from the time domain to the frequency domain. I used the following comm...

2 years ago | 1 answer | 0

### 1

answerQuestion

How can I draw a Frequency-Domain?

Hi, I encounter the problem of transforming a shape from the time domain to the frequency domain. I used the following comm...

2 years ago | 0 answers | 0

### 0

answersQuestion

How can I plot a plot with two parameters?

Hi, I want to plot a "ngs(n1+n2+n3+2,:)" that is a "224*67501" matrix, versus longitudinal position(millimeter) "X" which is a ...

2 years ago | 1 answer | 0

### 1

answerQuestion

How can I draw a curve based on two parameters?

Hi, I want to plot a "ngs(n1+n2+n3+2,:)" that is a "224*67501" matrix, versus longitudinal position(millimeter) "X" which is a ...

2 years ago | 0 answers | 0

### 0

answersQuestion

How can I transform between Time-Domain and Frequency-Domain?

Hi, I encounter the problem of transforming a shape from the time domain to the frequency domain. I used the followin...

2 years ago | 0 answers | 0

### 0

answersQuestion

How to draw a specific figure

Hi there. I have no idea how to draw these types of figures. I want to know how these types of diagrams should be drawn and I n...

2 years ago | 1 answer | 0

### 1

answerQuestion

Draw the output shape

hi. I want to know how to draw the shape that is attached in the MATLAB software.This figure is in one article, and the author...

3 years ago | 0 answers | 0

### 0

answersQuestion

fsolve stopped because the problem appears regular

Hi. I want to find the value of w_s and N_s(s is subscript ) in the equations that are attached. Please refer to the attachme...

3 years ago | 1 answer | 0

### 1

answerQuestion

Vectors must be the same length

Hi I want to draw a diagram but I get an error. I understand the concept of error but I have no idea how to make the vectors eq...

3 years ago | 0 answers | 0

### 0

answersQuestion

Unable to meet integration tolerances without reducing the step size below the smallest value allowed

Hi. I have a problem with drawing a plot. Please guide me. My program is as follows: main: tspan = [0 5e-9]; ...

3 years ago | 0 answers | 0

### 0

answersQuestion

Unable to perform assignment because the left and right sides have a different number of elements in the ode45

Hi.I have a code error. error:Unable to perform assignment because the left and right sides have a different number of elements...

3 years ago | 2 answers | 0

### 2

answersQuestion

Problem in drawing curves after solving ode equations

Hi there. I've written the following program.This program is part of a laser program main program tspan = [0 3e-9]; ...

4 years ago | 1 answer | 0

### 1

answerQuestion

Vectors must be the same length.

Hi there.I want to draw the following formula, but I get the following error error: Vectors must be the same length. why...

4 years ago | 1 answer | 0

### 1

answerQuestion

Problem solving laser rate equations with ode45 command

Hi there, I have a question about modelling rate equations. Basically the modelling is solving differential equations hence I'm ...

4 years ago | 2 answers | 0