Answered

How an I manipulate top and bottom x axes individually?

Actually, dpb's suggestion of 2 axes should work as long as you don't turn "box on", and you may need to sync their positions if...

How an I manipulate top and bottom x axes individually?

Actually, dpb's suggestion of 2 axes should work as long as you don't turn "box on", and you may need to sync their positions if...

2 maanden ago | 0

| accepted

Solved

Convert a temperature reading from Celsius to an unknown scale

Two of the most famous temperature scales are the Celsius and the Fahrenheit scale. In reality, however, there are so many other...

2 maanden ago

Solved

Length of a short side

Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

2 maanden ago

Answered

Logical Indexing instead of loops in 3D-Matrices

What is the purpose of vectorization? Is it for imagined speed gains, or just an "in principle" question? Bruno's answer is fas...

Logical Indexing instead of loops in 3D-Matrices

What is the purpose of vectorization? Is it for imagined speed gains, or just an "in principle" question? Bruno's answer is fas...

2 maanden ago | 2

Answered

How can I insert a square root in y-axis of curve ?

You can use latex ylabel('$$\theta \quad \left(10^{-3} \mathrm{C/m} \sqrt{\mathrm{kg}}\right)$$','Interpreter','latex') also ...

How can I insert a square root in y-axis of curve ?

You can use latex ylabel('$$\theta \quad \left(10^{-3} \mathrm{C/m} \sqrt{\mathrm{kg}}\right)$$','Interpreter','latex') also ...

2 maanden ago | 1

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Answered

Multiple linear regression coefficient calculation

Assuming your data are in rows (y is a column vector), isn't that just X=[ones(size(x1)),x1,x3,x3] see https://www.mathworks...

Multiple linear regression coefficient calculation

Assuming your data are in rows (y is a column vector), isn't that just X=[ones(size(x1)),x1,x3,x3] see https://www.mathworks...

2 maanden ago | 0

Answered

How to vectorize an equation involving pair-wise distance computation, to improve the speed of computation?

I think you should be able to loop only once over the reference point , then take then compute difference vectorially. Also, in...

How to vectorize an equation involving pair-wise distance computation, to improve the speed of computation?

I think you should be able to loop only once over the reference point , then take then compute difference vectorially. Also, in...

2 maanden ago | 1

| accepted

Answered

How can I draw the following blue color tone intensity figure using the Newtons Raphson basin of attraction code?

Organize your "list" of initial guesses (x,y) as a meshgrid [X,Y] = meshgrid(x,y) Then easier to loop through the "unwrapped" ...

How can I draw the following blue color tone intensity figure using the Newtons Raphson basin of attraction code?

Organize your "list" of initial guesses (x,y) as a meshgrid [X,Y] = meshgrid(x,y) Then easier to loop through the "unwrapped" ...

2 maanden ago | 0

Answered

how to merge multiple timetable

If the tables have the same columns, you should be able to simply vertically concatenate them and sort t0 = sortrows(vertcat(t1...

how to merge multiple timetable

If the tables have the same columns, you should be able to simply vertically concatenate them and sort t0 = sortrows(vertcat(t1...

2 maanden ago | 1

Answered

Plotting 3D graph with ODEs

If your ODE result "population(t)" a scalar value, then yes, you can use surf() if your [A,B] is defined using meshgrid.

Plotting 3D graph with ODEs

If your ODE result "population(t)" a scalar value, then yes, you can use surf() if your [A,B] is defined using meshgrid.

2 maanden ago | 0

Answered

Indexing concurrent array elements and incrementing

First you could use "reshape" to create a 2D array whose rows corresponds to a record, then slice up the 2D array into however m...

Indexing concurrent array elements and incrementing

First you could use "reshape" to create a 2D array whose rows corresponds to a record, then slice up the 2D array into however m...

2 maanden ago | 0

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Answered

UITable in app designer-Matlab

I think this works if you have a recent version of matlab, you can place the uitable inside a uigridlayout, and set the "cell" h...

UITable in app designer-Matlab

I think this works if you have a recent version of matlab, you can place the uitable inside a uigridlayout, and set the "cell" h...

2 maanden ago | 1

Answered

Counting occurrence of keys and values for Containers.Map in another Containers.Map

Just considering the keys, you can use ismember (though I'm not sure why there's a limitation that cells must be cell arrays of ...

Counting occurrence of keys and values for Containers.Map in another Containers.Map

Just considering the keys, you can use ismember (though I'm not sure why there's a limitation that cells must be cell arrays of ...

2 maanden ago | 0

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Answered

How do I plot logarithmic error?

In log space, spacing is multiplicative, not additive, so you want to express your top and bottom curves as multiples of your ba...

How do I plot logarithmic error?

In log space, spacing is multiplicative, not additive, so you want to express your top and bottom curves as multiples of your ba...

2 maanden ago | 0

| accepted

Answered

How do I plot logarithmic error?

use the log10() function? The question isn't super clear...

How do I plot logarithmic error?

use the log10() function? The question isn't super clear...

2 maanden ago | 0

Answered

Convert numerical equations to latex

Assuming the results will always be integers, here's a simple way %==== Numerical Values (Unrounded) ============== a = 128387...

Convert numerical equations to latex

Assuming the results will always be integers, here's a simple way %==== Numerical Values (Unrounded) ============== a = 128387...

3 maanden ago | 0

Answered

find indices of each first repeated elements in the array (full of repeated values)

It's too early for me to attempt to understand your 2nd problem, but for the first problem try using "diff" indexB0 = [1,1+find...

find indices of each first repeated elements in the array (full of repeated values)

It's too early for me to attempt to understand your 2nd problem, but for the first problem try using "diff" indexB0 = [1,1+find...

3 maanden ago | 0

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Answered

Fitting 2D Gaussian to histogram

If you only need the center, you can just take the mean in each direction x = mean(A) y = mean(B)

Fitting 2D Gaussian to histogram

If you only need the center, you can just take the mean in each direction x = mean(A) y = mean(B)

3 maanden ago | 0

Answered

Make axis background transparent

For traditional axes, you can set the "Color" property to "none" ax = axes("Color","none")

Make axis background transparent

For traditional axes, you can set the "Color" property to "none" ax = axes("Color","none")

3 maanden ago | 0

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Answered

importing an empty text column rather than a number column

Are you already using something like detectImportOptions() or spreadsheetImportOptions()? If not, look at that And then look at...

importing an empty text column rather than a number column

Are you already using something like detectImportOptions() or spreadsheetImportOptions()? If not, look at that And then look at...

3 maanden ago | 1

| accepted

Answered

Write to an already opened Excel file

If Excel is already running by the time you want to run this with the target file open, you can't just start a new excel instanc...

Write to an already opened Excel file

If Excel is already running by the time you want to run this with the target file open, you can't just start a new excel instanc...

3 maanden ago | 1

| accepted

Answered

Creating a new object from existing object but after excluding one specific property.

If you actually mean structures, as your example suggests, are you aware of "isfield", which will check if a structure contains ...

Creating a new object from existing object but after excluding one specific property.

If you actually mean structures, as your example suggests, are you aware of "isfield", which will check if a structure contains ...

3 maanden ago | 0

| accepted

Answered

Remove tick marks for axes

An easy way to "fake" this after setting "Box" to "off", as Peng Li suggests, is to make xline and yline. But it wouldn't be dyn...

Remove tick marks for axes

An easy way to "fake" this after setting "Box" to "off", as Peng Li suggests, is to make xline and yline. But it wouldn't be dyn...

3 maanden ago | 0

| accepted

Answered

How to find the gradient of a parameter which is not direct solution of a function

Determining l1 for a "target Gam4" value appears not to be an optimization problem, but another root-finding problem. It seems t...

How to find the gradient of a parameter which is not direct solution of a function

Determining l1 for a "target Gam4" value appears not to be an optimization problem, but another root-finding problem. It seems t...

3 maanden ago | 0

Answered

How to use ode15s with a constant that varies by two parameters?

From you description, it sounds like you want to do the average over d-values outside of our ODE solution. But in your code, you...

How to use ode15s with a constant that varies by two parameters?

From you description, it sounds like you want to do the average over d-values outside of our ODE solution. But in your code, you...

3 maanden ago | 0

Answered

How do I go about plotting points from ODE45 with this?

yes, your odefun looks wrong, it looks like you did not correctly apply matrix algebra to get the separate equations from your m...

How do I go about plotting points from ODE45 with this?

yes, your odefun looks wrong, it looks like you did not correctly apply matrix algebra to get the separate equations from your m...

3 maanden ago | 0

Answered

How can I use fmincon to solve problems with ODEs

I presume you mean to use r at some specific time, where r(0) (or some other time) is known - a standard 1D ODE. with some in...

How can I use fmincon to solve problems with ODEs

I presume you mean to use r at some specific time, where r(0) (or some other time) is known - a standard 1D ODE. with some in...

3 maanden ago | 0

Answered

How to get the solution to a GIVEN input VECTOR using ode45 solver

If you're just looking for code to extract some element out of your ode45 solution: tAll = nan(1,length(u_opt)); xAll = nan(4,...

How to get the solution to a GIVEN input VECTOR using ode45 solver

If you're just looking for code to extract some element out of your ode45 solution: tAll = nan(1,length(u_opt)); xAll = nan(4,...

3 maanden ago | 0

Answered

Separating and extracting data using edge detection

since it appears you have the image processing toolbox (access to "edge"), have you looked into "regionprops"? If you're label...

Separating and extracting data using edge detection

since it appears you have the image processing toolbox (access to "edge"), have you looked into "regionprops"? If you're label...

3 maanden ago | 0

| accepted

Answered

Solution to 2nd order ode containing time varying coeficients using ode45

can you use the code editor functionality to display code? Multiple issues: you don't need to "run" the gglpr9 function...is t...

Solution to 2nd order ode containing time varying coeficients using ode45

can you use the code editor functionality to display code? Multiple issues: you don't need to "run" the gglpr9 function...is t...

3 maanden ago | 0