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Help on simplifying trigonometric equations

syms c1 c2 k1 k2 l1 l2 x1 x2 eqns = [k1*sin(c1)+k2*sin(c2-c1) == l1*cos(x1) - l2*cos(x1+x2) k2*cos(c2-c1)-k1*cos(c1) =...

Help on simplifying trigonometric equations

syms c1 c2 k1 k2 l1 l2 x1 x2 eqns = [k1*sin(c1)+k2*sin(c2-c1) == l1*cos(x1) - l2*cos(x1+x2) k2*cos(c2-c1)-k1*cos(c1) =...

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Stuck in exponential notation format

format long g for Percentfailtemp = [0.011 0.11 1.1 11 110 110.234 100*(1-eps)] fprintf('Failed due to temperature %0.1d\n...

Stuck in exponential notation format

format long g for Percentfailtemp = [0.011 0.11 1.1 11 110 110.234 100*(1-eps)] fprintf('Failed due to temperature %0.1d\n...

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How to display square root symbol instead of decimal.

sqrt(sym(5)) This requires the Symbolic Toolbox. Also, display of the square root symbol itself instead of 5^(1/2) requires th...

How to display square root symbol instead of decimal.

sqrt(sym(5)) This requires the Symbolic Toolbox. Also, display of the square root symbol itself instead of 5^(1/2) requires th...

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how to convert mat file of impulse signal to wavefile?

fs = 1000; t = 0 : 1/fs : 10; impulse = t==2; audiowrite('impulse.wav', double(impulse), fs);

how to convert mat file of impulse signal to wavefile?

fs = 1000; t = 0 : 1/fs : 10; impulse = t==2; audiowrite('impulse.wav', double(impulse), fs);

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Limits of polar plots axes

You are using polar() which is the older function that uses cartesian axes. It is difficult to customize. We would normally rec...

Limits of polar plots axes

You are using polar() which is the older function that uses cartesian axes. It is difficult to customize. We would normally rec...

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Isolate horizonal part of curve

Declare your horizontal cutoff to be the place where abs() of the gradient is less than some threshold. If necessary, low-pass f...

Isolate horizonal part of curve

Declare your horizontal cutoff to be the place where abs() of the gradient is less than some threshold. If necessary, low-pass f...

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Difference between solve result

When you solve() and you do not specify the names of variables to solve for, the solve() uses symvar() and takes as many variabl...

Difference between solve result

When you solve() and you do not specify the names of variables to solve for, the solve() uses symvar() and takes as many variabl...

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Question

Unexpected slowdown using () indexing

format long g NULL = 0; counter = 0; start = tic; while toc(start) < 10; NULL; counter = counter + 1; end; counter/10 NULL =...

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Upper bound curve that passes through the extreme (highest) points

Use boundary possibly changing the alpha coefficient.

Upper bound curve that passes through the extreme (highest) points

Use boundary possibly changing the alpha coefficient.

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Unable to populate trip usage tripusage=zeros(1,288) with my result tripusage(k)= (p1*x^2 + p2*x + p3) *fivemindist;

x=temp{k}; variable temp with lower case T is not defined. You have a variable Temp with upper case T

Unable to populate trip usage tripusage=zeros(1,288) with my result tripusage(k)= (p1*x^2 + p2*x + p3) *fivemindist;

x=temp{k}; variable temp with lower case T is not defined. You have a variable Temp with upper case T

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Writetable logical table to excel as zeros and ones

Write out double() of the logical array.

Writetable logical table to excel as zeros and ones

Write out double() of the logical array.

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Transformation this equations to equations MATLAB

Use sin() and cos(). Powers are .^ Dot to multiply is .* Use () for grouping and priority There is no implied multiplic...

Transformation this equations to equations MATLAB

Use sin() and cos(). Powers are .^ Dot to multiply is .* Use () for grouping and priority There is no implied multiplic...

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How to find the number of non-NaN elements in a column that are NaN in the last column, in MatLab?

isnan(YourMatrix(:, 3)) & ~isnan(YourMatrix(:, 4))

How to find the number of non-NaN elements in a column that are NaN in the last column, in MatLab?

isnan(YourMatrix(:, 3)) & ~isnan(YourMatrix(:, 4))

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How can I measure the time it takes to break a cryptographic algorithm by brute force attack?

timeit() However unless you deliberately using a very small key, you would need to estimate the time instead of measuring it....

How can I measure the time it takes to break a cryptographic algorithm by brute force attack?

timeit() However unless you deliberately using a very small key, you would need to estimate the time instead of measuring it....

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How to set the same grid size of the axis for different plots?

https://www.mathworks.com/help/matlab/ref/pbaspect.html https://www.mathworks.com/help/matlab/ref/daspect.html You can set t...

How to set the same grid size of the axis for different plots?

https://www.mathworks.com/help/matlab/ref/pbaspect.html https://www.mathworks.com/help/matlab/ref/daspect.html You can set t...

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How to enlarge/Scale/Increase size of a contour plot

The contour plot is made as large as possible as will fit inside the axes after taking into account axes labels and tick labels ...

How to enlarge/Scale/Increase size of a contour plot

The contour plot is made as large as possible as will fit inside the axes after taking into account axes labels and tick labels ...

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Could someone help me to import individual jpeg images embedded in a gif image into each slide in a PowerPoint file? I use exportToPPTX.

Images = imread(Gif, 'frames', 'all'); .gif files are always indexed images. In the special case that the frames were grayscal...

Could someone help me to import individual jpeg images embedded in a gif image into each slide in a PowerPoint file? I use exportToPPTX.

Images = imread(Gif, 'frames', 'all'); .gif files are always indexed images. In the special case that the frames were grayscal...

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Viewing Symbolic Matrix Entries in Variable Tab?

No, No there is no way to do that. If you temp = arrayfun(@char, YourSymArray, 'uniform', 0); openvar temp then you will be ...

Viewing Symbolic Matrix Entries in Variable Tab?

No, No there is no way to do that. If you temp = arrayfun(@char, YourSymArray, 'uniform', 0); openvar temp then you will be ...

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How to simplify too much of if

Use look-up tables. For example the final elseif can be encoded as {[40 50 55 60 42 45 80 35 37] [40 41 44 60 32 36 80...

How to simplify too much of if

Use look-up tables. For example the final elseif can be encoded as {[40 50 55 60 42 45 80 35 37] [40 41 44 60 32 36 80...

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Is there a way to reduce Timer period to less than 1 ms?

You would need to reimplement timers.

Is there a way to reduce Timer period to less than 1 ms?

You would need to reimplement timers.

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Find doesn't seem to work with Matrix larger than 127x127

I am certain that find works. I speculate that you are putting the values together in an array with values of datatype int8. Whe...

Find doesn't seem to work with Matrix larger than 127x127

I am certain that find works. I speculate that you are putting the values together in an array with values of datatype int8. Whe...

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Accessing the url address of images in Matlab Drive

The files on matlab drive cannot be remotely accessed individually. Even if you publicly share a folder, the share mechanisms do...

Accessing the url address of images in Matlab Drive

The files on matlab drive cannot be remotely accessed individually. Even if you publicly share a folder, the share mechanisms do...

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How can I find the Time for specific values of Voltage (with a small tolerance)?

find(abs(data-target)<=tolerance) Or ismembertol()

How can I find the Time for specific values of Voltage (with a small tolerance)?

find(abs(data-target)<=tolerance) Or ismembertol()

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I would like to extract x,y,z coordinates of any 3 atoms from a pdb file. How to rectify this error and make it generalized?

% N = range of indices for example N=1:7; Q = [ubq.Model.Atom(N).X; ubq.Model.Atom(N).Y; ubq.Model.Atom(n).Z].'; This...

I would like to extract x,y,z coordinates of any 3 atoms from a pdb file. How to rectify this error and make it generalized?

% N = range of indices for example N=1:7; Q = [ubq.Model.Atom(N).X; ubq.Model.Atom(N).Y; ubq.Model.Atom(n).Z].'; This...

10 jours il y a | 1

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Dynamic plot in real time

pick nominal x coordinates for the endpoints of the see-saw. Create a line that has those as the x coordinates and has the "curr...

Dynamic plot in real time

pick nominal x coordinates for the endpoints of the see-saw. Create a line that has those as the x coordinates and has the "curr...

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Error: File: project_01.m Line: 61 Column: 26

elseif Hexa_number_small = Hexa_row_small * (Hexa_number - 1); elseif must be followed by a condition, not an assignment.

Error: File: project_01.m Line: 61 Column: 26

elseif Hexa_number_small = Hexa_row_small * (Hexa_number - 1); elseif must be followed by a condition, not an assignment.

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Error in ode45 (line 115) odearguments(FcnHandlesUsed, solver_name, ode, tspan, y0, options, varargin);

delta = 1; That is a numeric scalar. Valid indices for it are numeric 1, logical true, logical false, and the empty vector....

Error in ode45 (line 115) odearguments(FcnHandlesUsed, solver_name, ode, tspan, y0, options, varargin);

delta = 1; That is a numeric scalar. Valid indices for it are numeric 1, logical true, logical false, and the empty vector....

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Why do I get unrecognized function or variable when calling constructor in app designer

TFeature is not a property or method of the class, and it does not exist at the time the properties list is being parsed. It is ...

Why do I get unrecognized function or variable when calling constructor in app designer

TFeature is not a property or method of the class, and it does not exist at the time the properties list is being parsed. It is ...

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saving figures to a video with VideoWriter

getframe() with no options is not guaranteed to return the same size each time. In practice the size of an axes can vary by (if ...

saving figures to a video with VideoWriter

getframe() with no options is not guaranteed to return the same size each time. In practice the size of an axes can vary by (if ...

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How can I specify the dimension of a differentiated function?

diff() is generally successive differences. It is only derivative if the first parameter is sym or symfun, both from the Symboli...

How can I specify the dimension of a differentiated function?

diff() is generally successive differences. It is only derivative if the first parameter is sym or symfun, both from the Symboli...

10 jours il y a | 0