Answered

Caculating the sum of elements and building a vector and a matrix with letters

Hi Lee this is John BG <jgb2012@sky.com> 1.- Simulating data n=12 m=randi([1 10],n,1); x=randi([-13 13],n,1)...

Caculating the sum of elements and building a vector and a matrix with letters

Hi Lee this is John BG <jgb2012@sky.com> 1.- Simulating data n=12 m=randi([1 10],n,1); x=randi([-13 13],n,1)...

5 years ago | 1

| accepted

Answered

how to do vector

Hi Maria this is John BG <jgb2012@sky.com> the problem is the line psi=reshape(series,T,N); inside the function pd...

how to do vector

Hi Maria this is John BG <jgb2012@sky.com> the problem is the line psi=reshape(series,T,N); inside the function pd...

5 years ago | 0

Submitted

waveguides microwave engineering POZAR chapter 03 example parallel plates

waveguides microwave engineering POZAR chapter 03 example parallel plates

5 years ago | 2 downloads |

Submitted

waveguides microwave engineering POZAR chapter 03 example 02

waveguides microwave engineering POZAR chapter 03 example 02 cyllindrical cut-offs

5 years ago | 1 download |

Submitted

waveguides microwave engineering POZAR chapter 03 example 03 TE11 coax cutoff approximation

waveguides microwave engineering POZAR chapter 03 example 03 TE11 coax cutoff approximation

5 years ago | 1 download |

Submitted

waveguides microwave engineering POZAR chapter 03 exercise 06

waveguides microwave engineering POZAR chapter 03 exercise 06

5 years ago | 3 downloads |

Answered

Row detection in crops

UNDER CONSTRUCTION - REACHED LIMIT AMOUNT UPLOADS Hi Siscu this is John BG <jgb2012@sky.com> Allow me to answer your ...

Row detection in crops

UNDER CONSTRUCTION - REACHED LIMIT AMOUNT UPLOADS Hi Siscu this is John BG <jgb2012@sky.com> Allow me to answer your ...

5 years ago | 0

| accepted

Answered

how to find large curvature location

Hi Michael This is John BG <jgb2012@sky.com> There's an easy way to encircle the points you want, with a high degree of ac...

how to find large curvature location

Hi Michael This is John BG <jgb2012@sky.com> There's an easy way to encircle the points you want, with a high degree of ac...

5 years ago | 2

| accepted

Answered

why is my error plot not showing?

Hi Luis Garcia this is John BG <jgb2012@sky.com> there's no need for a for loop x = linspace(-10,10,100); h = logs...

why is my error plot not showing?

Hi Luis Garcia this is John BG <jgb2012@sky.com> there's no need for a for loop x = linspace(-10,10,100); h = logs...

5 years ago | 1

Answered

Anyone who can help a Matlab program that perform the following matrix problem

Hi Keyre this is John BG <jgb2012@sky.com> 1. Let A be your matrix, for instance m=5;n=8;A=randi([-10 10],n,m) ...

Anyone who can help a Matlab program that perform the following matrix problem

Hi Keyre this is John BG <jgb2012@sky.com> 1. Let A be your matrix, for instance m=5;n=8;A=randi([-10 10],n,m) ...

5 years ago | 0

Answered

Solving a system of 5 dependent non-linear equations

Hi Frederico this is John BG <jgb2012@sky.com> 1. Actually, command *fsolve* works pretty well here, let me explain: ...

Solving a system of 5 dependent non-linear equations

Hi Frederico this is John BG <jgb2012@sky.com> 1. Actually, command *fsolve* works pretty well here, let me explain: ...

5 years ago | 0

| accepted

Answered

Can someone break down this code and tell me what it does so I can better understand it?

Hi Westin Messer this is John BG <jgb2012@sky.com> 1. instead of all those for loops, for a 2D fft, would you consider us...

Can someone break down this code and tell me what it does so I can better understand it?

Hi Westin Messer this is John BG <jgb2012@sky.com> 1. instead of all those for loops, for a 2D fft, would you consider us...

5 years ago | 1

| accepted

Answered

Frequency modulation to a digital signal

Hi Haman this is John BG <jgb2012@sky.com> 1. do you want to use the function *fmmod*? *y = fmmod(x,Fc,Fs,freqdev)* ...

Frequency modulation to a digital signal

Hi Haman this is John BG <jgb2012@sky.com> 1. do you want to use the function *fmmod*? *y = fmmod(x,Fc,Fs,freqdev)* ...

5 years ago | 1

Answered

In this question, would dig be 2 inputs, such as 91 and 99? And lim can be any number the user calls?

hi champions2015 this is John BG <jgb2012@sky.com> the following is a slight variation of what's been asked, this function...

In this question, would dig be 2 inputs, such as 91 and 99? And lim can be any number the user calls?

hi champions2015 this is John BG <jgb2012@sky.com> the following is a slight variation of what's been asked, this function...

5 years ago | 0

Answered

how to calculate the distances between pairwise coordinates using loops? Please help me...

Yavuz In this question you have only 3 points, but you may need more. The function combinator.m is really useful when the ...

how to calculate the distances between pairwise coordinates using loops? Please help me...

Yavuz In this question you have only 3 points, but you may need more. The function combinator.m is really useful when the ...

5 years ago | 1

| accepted

Answered

f(x) = e^x-3x matlab code

Hi Adomas Bazinys this is John BG <jgb2012@sky.com> What you want to do is, the way you want to do it, indeed good exercis...

f(x) = e^x-3x matlab code

Hi Adomas Bazinys this is John BG <jgb2012@sky.com> What you want to do is, the way you want to do it, indeed good exercis...

5 years ago | 1

| accepted

Answered

second condition never gets executed - elseif (temp == 13.2) tried to run in 13b, 15b online edittors as well, any explanations or its a bug?

Hi Rohit Kumar Gupta This is John BG <jgb2012@sky.com> As mentioned by the previous contributors, when using a float for ...

second condition never gets executed - elseif (temp == 13.2) tried to run in 13b, 15b online edittors as well, any explanations or its a bug?

Hi Rohit Kumar Gupta This is John BG <jgb2012@sky.com> As mentioned by the previous contributors, when using a float for ...

5 years ago | 0

Answered

How a binary image can be divided into four equal parts using loop ?

Hi Zara Khan this is John BG <jgb2012@sky.com> I use a for loop to answer your question, as requested, and I have added th...

How a binary image can be divided into four equal parts using loop ?

Hi Zara Khan this is John BG <jgb2012@sky.com> I use a for loop to answer your question, as requested, and I have added th...

5 years ago | 1

| accepted

Answered

I have a nc file with 145 long, 129 lat and 10227 time values, I want to change this daily data (10,227) to monthly values. What could be easy way?

Hi Neha Kanda this is John BG <jgb2012@sky.com> 1. why more longitudes than latitudes: are there missing latitudes, or...

I have a nc file with 145 long, 129 lat and 10227 time values, I want to change this daily data (10,227) to monthly values. What could be easy way?

Hi Neha Kanda this is John BG <jgb2012@sky.com> 1. why more longitudes than latitudes: are there missing latitudes, or...

5 years ago | 0

| accepted

Answered

What is wrong with my bisection method code?

Hi Microwave97 This is John BG <jgb2012@sky.com> Now your code doesn't show syntax errors: f=@(x) exp(2*x) - 3*x -4...

What is wrong with my bisection method code?

Hi Microwave97 This is John BG <jgb2012@sky.com> Now your code doesn't show syntax errors: f=@(x) exp(2*x) - 3*x -4...

5 years ago | 1

Answered

How to get matrix from plot ???

Hi Mohammad This is John BG <jgb2012@sky.com> 1. Allow me to start with the same image you have supplied op.jpg c...

How to get matrix from plot ???

Hi Mohammad This is John BG <jgb2012@sky.com> 1. Allow me to start with the same image you have supplied op.jpg c...

5 years ago | 0

| accepted

Answered

HELP REQUIRED IN PROGRAMMING

Hi Adarsh this is John BG <jgb2012@sky.com> there's a very easy way to obtain the variables you need with command *evalin*...

HELP REQUIRED IN PROGRAMMING

Hi Adarsh this is John BG <jgb2012@sky.com> there's a very easy way to obtain the variables you need with command *evalin*...

5 years ago | 1

Answered

Hello everyone! I need your valuable help here.

Hi again Engdaw Chane this is John BG <jgb2012@sky.com> Mr D'Errico thanks for the correction, but I insist on the point t...

Hello everyone! I need your valuable help here.

Hi again Engdaw Chane this is John BG <jgb2012@sky.com> Mr D'Errico thanks for the correction, but I insist on the point t...

5 years ago | 0

Answered

Create a matrix with a for loop

Hi Colin this is John BG jgb2012@sky.com 1. is there need for the for loop? i = -3:.5:2; k = 10.^i; ...

Create a matrix with a for loop

Hi Colin this is John BG jgb2012@sky.com 1. is there need for the for loop? i = -3:.5:2; k = 10.^i; ...

5 years ago | 0

| accepted

Answered

how to solve a Plotting FFT problem

Hi Mohamed this is John BG <jgb2012@sky.com> if the time vector does not have a small enough step the output will show a s...

how to solve a Plotting FFT problem

Hi Mohamed this is John BG <jgb2012@sky.com> if the time vector does not have a small enough step the output will show a s...

5 years ago | 1

Answered

How can I give my x-axis predetermined values (a year)

Hi Jan van den Scheur this is John BG <jgb2012@sky.com> The problem with Star Strider's suggestion is that the class *time...

How can I give my x-axis predetermined values (a year)

Hi Jan van den Scheur this is John BG <jgb2012@sky.com> The problem with Star Strider's suggestion is that the class *time...

5 years ago | 0

| accepted

Answered

How do I stack 10 shots from seismic source to produce a resultant signature with greater signal/noise ratio?

Hi David Norris this is John BG <jgb2012@sky.com> Calculate the average pulse repetition with a squelch and then chop the ...

How do I stack 10 shots from seismic source to produce a resultant signature with greater signal/noise ratio?

Hi David Norris this is John BG <jgb2012@sky.com> Calculate the average pulse repetition with a squelch and then chop the ...

5 years ago | 0

Answered

error in corr2 function in matlab

Hi Shoba Mohan this is John BG <jgb2012@sky.com> Since the actual size of the input images, both the references and the un...

error in corr2 function in matlab

Hi Shoba Mohan this is John BG <jgb2012@sky.com> Since the actual size of the input images, both the references and the un...

5 years ago | 0

Answered

System of inequalities using logical operators

Hi Mr Dimopoulos this is John BG <jgb2012@sky.com> 1. The Intersections can be found the following way: For 1st f...

System of inequalities using logical operators

Hi Mr Dimopoulos this is John BG <jgb2012@sky.com> 1. The Intersections can be found the following way: For 1st f...

5 years ago | 0

Answered

When to use 10 log 10 and 20 log 10 while calculating psnr of image ?

Hi Prashali Deshmukh this is John BG <jgb2012@sky.com> . 1. in MATLAB there is no *log20* indeed one can write a fun...

When to use 10 log 10 and 20 log 10 while calculating psnr of image ?

Hi Prashali Deshmukh this is John BG <jgb2012@sky.com> . 1. in MATLAB there is no *log20* indeed one can write a fun...

5 years ago | 4