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Newton Raphson - saving all values and using last iteration value as initial for next

The final x values match your spreadsheet results. Your suggested x0 converges too soon to be interesting. Set it to 1.0 to actu...

Newton Raphson - saving all values and using last iteration value as initial for next

The final x values match your spreadsheet results. Your suggested x0 converges too soon to be interesting. Set it to 1.0 to actu...

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Index in position 1 is invalid. Array indices must be positive integers or logical values.

Would be very useful if you are able to post a minimal program exhibiting the error that we could run. In the debugger, set the ...

Index in position 1 is invalid. Array indices must be positive integers or logical values.

Would be very useful if you are able to post a minimal program exhibiting the error that we could run. In the debugger, set the ...

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Index in position 1 is invalid. Array indices must be positive integers or logical values.

Would be very useful if you are able to post a minimal program exhibiting the error that we could run. In the debugger, set the ...

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I need help with using a while loop

Looks like you are trying to solve a difference equation. Take a look at what is happening: c1 = 0.1; v1 = 0.1; v2 = 1; p = ...

I need help with using a while loop

Looks like you are trying to solve a difference equation. Take a look at what is happening: c1 = 0.1; v1 = 0.1; v2 = 1; p = ...

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Keep a temporary variable after parfor

>> Parfor loop works when i comment out the plotting parts of the code. I tried what you said and only experienced what you wro...

Keep a temporary variable after parfor

>> Parfor loop works when i comment out the plotting parts of the code. I tried what you said and only experienced what you wro...

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how to fix Warning: Imaginary parts of complex X and/or Y arguments ignored

If you have a negative number raised to a non-integer power, you can sometimes get a complex number. Take a look at: https://ww...

how to fix Warning: Imaginary parts of complex X and/or Y arguments ignored

If you have a negative number raised to a non-integer power, you can sometimes get a complex number. Take a look at: https://ww...

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Solving a simple equation

Sorry, no idea if this is right. clc, clearvars %Angle = B %Thickness = u %Inner Radius = p %Developed length = L %L = L1+...

Solving a simple equation

Sorry, no idea if this is right. clc, clearvars %Angle = B %Thickness = u %Inner Radius = p %Developed length = L %L = L1+...

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Question

Convert near zero complex parts to 0

In R2020a, I took a complex vector and converted near zero parts to zero. It took two long lines to do it. Can it be done in one...

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What am I doing wrong here? I am trying to recreate following highlighted equations in the table.

clc; clear; clf ep = linspace(0,1); m1 = 1.5; m2 = 3.8; ep0= 1; alpha = 0.785; epp = 0.11; qep = (2.76*ep.*cosh((3*ep)-1.92)...

What am I doing wrong here? I am trying to recreate following highlighted equations in the table.

clc; clear; clf ep = linspace(0,1); m1 = 1.5; m2 = 3.8; ep0= 1; alpha = 0.785; epp = 0.11; qep = (2.76*ep.*cosh((3*ep)-1.92)...

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Script not found in the Command Windows

I am expecting that you will get the following: >> which essai 'essai' not found. Write down the folder where your essai.m fi...

Script not found in the Command Windows

I am expecting that you will get the following: >> which essai 'essai' not found. Write down the folder where your essai.m fi...

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Obtaining the envelope of AM signal using hilbert transform

In general, if you increase the carrier frequency, you will get a better envelope. Specific to your figure, to remove the rippl...

Obtaining the envelope of AM signal using hilbert transform

In general, if you increase the carrier frequency, you will get a better envelope. Specific to your figure, to remove the rippl...

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computing vectors with string and numbers (easy question)

Here is code that keeps the indexing scheme based upon the order in which the names occur in your vector of strings. >> S = ["H...

computing vectors with string and numbers (easy question)

Here is code that keeps the indexing scheme based upon the order in which the names occur in your vector of strings. >> S = ["H...

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computing vectors with string and numbers (easy question)

>> S = ["joe" "april" "andrea" "joe" "andrea"] S = 1×5 string array "joe" "april" "andrea" "joe" "andrea" ...

computing vectors with string and numbers (easy question)

>> S = ["joe" "april" "andrea" "joe" "andrea"] S = 1×5 string array "joe" "april" "andrea" "joe" "andrea" ...

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Simulating a drone and bird as radar targets

Sounds like a good project. Personally, I would take a movie of a bird and a drone, and then try to reconstruct a 3D polygon of ...

Simulating a drone and bird as radar targets

Sounds like a good project. Personally, I would take a movie of a bird and a drone, and then try to reconstruct a 3D polygon of ...

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How to generate a list of random ID which can later be used instead of participant name?

Due to the cyclist remark about homework, I am just starting the script. It leaves out certain patterns like 'a9a9' since it is ...

How to generate a list of random ID which can later be used instead of participant name?

Due to the cyclist remark about homework, I am just starting the script. It leaves out certain patterns like 'a9a9' since it is ...

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Syntax Question, Why does this equal zero?

Good question. :) >> 1 - 7*( sym(8/7) - 1 ) ans = 0 % you are right; the answer is 0 For double numbers, look at the format...

Syntax Question, Why does this equal zero?

Good question. :) >> 1 - 7*( sym(8/7) - 1 ) ans = 0 % you are right; the answer is 0 For double numbers, look at the format...

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Forcing Page Breaks in MATLAB

The official 2016 answer is here, and no discernible updates since 2016. It would be great if MathWorks would add that to Live E...

Forcing Page Breaks in MATLAB

The official 2016 answer is here, and no discernible updates since 2016. It would be great if MathWorks would add that to Live E...

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how to get the mean for specific rows number of one columns

M = [ ... 1 5 2 7 3 9 1 9 2 7 3 9 ]; T = array2table( M, ... 'VariableNames',{'Month','...

how to get the mean for specific rows number of one columns

M = [ ... 1 5 2 7 3 9 1 9 2 7 3 9 ]; T = array2table( M, ... 'VariableNames',{'Month','...

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Vector. Change the way my program gives me the answer.

v = [1 2 -3 4]; v( diff( sign( [v(1) v] ) ) ~= 0 ) ans = -3 4

Vector. Change the way my program gives me the answer.

v = [1 2 -3 4]; v( diff( sign( [v(1) v] ) ) ~= 0 ) ans = -3 4

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Vector. Change the way my program gives me the answer.

v = [1 2 -3 4]; n = 1; l = length (v); ii = 1; c = []; while (n < l) a = v(n); b = v(n+1); n = n+1; % if (a <...

Vector. Change the way my program gives me the answer.

v = [1 2 -3 4]; n = 1; l = length (v); ii = 1; c = []; while (n < l) a = v(n); b = v(n+1); n = n+1; % if (a <...

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Group data in bins

Hope this is close to what you are looking for. EDGES' ans = 0 0.5000 1.0000 1.5000 2.0000 ...

Group data in bins

Hope this is close to what you are looking for. EDGES' ans = 0 0.5000 1.0000 1.5000 2.0000 ...

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How to solve matrix function in Matlab?

Define Z = AXB + C - X You have to start off with your initial best guess for X based upon the nature of the model. For lack of...

How to solve matrix function in Matlab?

Define Z = AXB + C - X You have to start off with your initial best guess for X based upon the nature of the model. For lack of...

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Creating blocks of average values from a series but avoiding dynamic variable names

Since you have 5 groups of 100 numbers, I thought you wanted the mean of each group. That gives 5 means. So I did not understand...

Creating blocks of average values from a series but avoiding dynamic variable names

Since you have 5 groups of 100 numbers, I thought you wanted the mean of each group. That gives 5 means. So I did not understand...

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plot discrete time domain signals

I recommend using following substitutions: plot(t,y) axis( [-1 10 0 1])

plot discrete time domain signals

I recommend using following substitutions: plot(t,y) axis( [-1 10 0 1])

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Longest run of consecutive numbers

Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

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Imbedded If statement in Function help!

Did you know that >> logical(1) + logical(1) ans = 2 and that (age>50) is a logical?

Imbedded If statement in Function help!

Did you know that >> logical(1) + logical(1) ans = 2 and that (age>50) is a logical?

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In Online Matlab under App menu, Signal Analyzer not working?

The Signal Analyzer app comes with a purchase of the Signal Processing Toolbox. Please review this short video: Signal Analysi...

In Online Matlab under App menu, Signal Analyzer not working?

The Signal Analyzer app comes with a purchase of the Signal Processing Toolbox. Please review this short video: Signal Analysi...

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Computer to boost MATLAB operation

As @Jan pointed out, it is very important that you run your profiler to find out where your time is being spent and focus on tho...

Computer to boost MATLAB operation

As @Jan pointed out, it is very important that you run your profiler to find out where your time is being spent and focus on tho...

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Parfor nested loop Table definition

>> can I at least parallelise the writing of the 4 xlsx tables to speed up the code I do not see how to do that easily without ...

Parfor nested loop Table definition

>> can I at least parallelise the writing of the 4 xlsx tables to speed up the code I do not see how to do that easily without ...

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How to obtain the first and second derivative of the "xt" function

You can use diff function as a crude way to take derivates. But, you should also know that diff introduces noise. Here is an art...

How to obtain the first and second derivative of the "xt" function

You can use diff function as a crude way to take derivates. But, you should also know that diff introduces noise. Here is an art...

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