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**Content Feed**

3>2>1 returns logical 0?

I think the compiler probably solves this: (3>2)>1 ans = 0 i.e 1>1= 0

ongeveer 7 jaar ago | 0

How can i create N copies of a vector based on nonzero values in that vector?

not elegant but: Original_Vector=[1 0 5 0 3]; Copy_1=Original_Vector; Copy_1(3)=0; Copy_1(5)=0; etc..

ongeveer 7 jaar ago | 0

Removing /eliminating bottom rows of a matrix

You named both matrices imat here. For 8x8 matrix named mat, for the first 5 columns and rows i.e. 5x5: mat(1:5,1:5)

ongeveer 7 jaar ago | 0

| accepted

Question

Rearranging filenames with extension .number (Ordering)

I've got batches of data that end in MRDC.number (MRA slices e.g. i3078011.MRDC.205) and I want to order them by filename extens...

bijna 8 jaar ago | 3 answers | 0

### 3

answersQuestion

Savitsky-Golay Filter Problem - Smoothing 3D line

I wanted to smooth a 3d line using the Savitzky-Golay filter, but for this example is seems to not work properly. Any ideas why,...

bijna 8 jaar ago | 1 answer | 0

### 1

answerBrushing a 3D isosurface

Brush it in plot3 and then isosurface plot

bijna 8 jaar ago | 0

| accepted

Matlab dialog boxes control

can't you write a code inside the exe file that cancels the rest of the code if an incorrect input is recorded? Then you won'...

bijna 8 jaar ago | 0

Question

Brushing a 3D isosurface

Is it possible to manually brush a 3D isosurface plot? I've attached the data, which you apply this function to plot it: ...

bijna 8 jaar ago | 1 answer | 0

### 1

answerQuestion

Using GUIDE - Callback to set of equations through multiple Objects

I've developed a GUI in GUIDE that at various points along a data analysis I need to access a set of equations [a set of calcula...

bijna 8 jaar ago | 1 answer | 0

### 1

answerPlotting colums from matrix

If your data array is like...... data(row,column) a = data(:,7:10) b = data(:,12) hold on plot(a) plot(b) ...

bijna 8 jaar ago | 0

Question

Storing varying sized arrays in a single matrix

I want to store multiple different sized arrays from values 0-1 in a single matrix. # [0 , 1] # [0 , 0.5, 1] # [0 , 0.25, ...

bijna 8 jaar ago | 1 answer | 0

### 1

answerQuestion

3D Fit of Centreline

I've got a 3D data set (shown below) and I want to fit it with a line, the points of this line fit need to be equidistant apart....

bijna 8 jaar ago | 2 answers | 0

### 2

answersQuestion

specifing a colorbar parent/figure

How are you supposed to set the figure to which a colorbar is associated? At the moment, when I introduce a colorbar it automati...

bijna 8 jaar ago | 1 answer | 0

### 1

answerQuestion

Find 3d branch points - Remove smaller branches

Hello all, I want to *remove small branches* from this skeleton of a vessel, and to be left with just the main binary centerl...

bijna 8 jaar ago | 1 answer | 1

### 1

answerQuestion

Fill the interior of a cylinder surface - SURF - generated by parametric equations

I've generated a cylinder using the parametric equations: u = linspace(0,2*pi,50); v = linspace(0,2*pi,50); [u,v]...

bijna 8 jaar ago | 1 answer | 0

### 1

answerQuestion

Toolbar Guide GUI Editor - Tool Creation - Brush

How can I include a brush tool onto my GUI? This is as far as I get function uitoggletool_ClickedCallback(hObject, eventdat...

bijna 8 jaar ago | 2 answers | 0

### 2

answersQuestion

Store NaN and remove in for loop

*Essentially, I have two arrays of the same size, one contains some NaNs and I want to remove the corresponding points in the se...

ongeveer 8 jaar ago | 1 answer | 0

### 1

answerQuestion

Summation equations in matlab

How can I write this equation into Matlab? <</matlabcentral/answers/uploaded_files/23331/equation.png>> Is it equivalent t...

ongeveer 8 jaar ago | 3 answers | 0

### 3

answersvolume enclosed by isosurface

Cleaned up image and counted the data points which represent voxels (of known value)..... easy

ongeveer 8 jaar ago | 0

| accepted

Simulate circular sound using earphones

Check out this toolbox http://uk.mathworks.com/matlabcentral/fileexchange/19873-simple-audio-editor

ongeveer 8 jaar ago | 0

| accepted

Question

Centreline fitting in 3d (3D line fitting)

Hello everyone, I've got a *centreline data set* of a vessel and I want to connect the points to get an estimation of the *le...

ongeveer 8 jaar ago | 2 answers | 0

### 2

answersQuestion

volume enclosed by isosurface

How can I calculate the volume enclosed by an isosurface, in this case my isosufaces are generally irregular cylinders. I've ...

ongeveer 8 jaar ago | 2 answers | 0

### 2

answersRELATED to average of complex numbers

Separate into real and imaginary component arrays, divide, then recombine: av_real = (real_a + real_b + real_c) / 3; av_i...

ongeveer 8 jaar ago | 0

| accepted

Question

colormap/caxis edit roipoly

I would really appreciate help on this one, Using _roipoly_ to isolate data but when the function displays the initial image ...

ongeveer 8 jaar ago | 2 answers | 0

### 2

answersQuestion

Nested for loop fit with function

I understand for loops are not ideal for Matlab, but not sure how to avoid using them. In this case I have a matrix 'TE_ROI' tha...

bijna 9 jaar ago | 1 answer | 0

### 1

answerQuestion

3-term exponential fit

Hi, I want to fit a 3-term exponential function i.e. y = a*exp(-b*x) + c*exp(-d*x) + e*exp(-f*x) to get coefficients b...

bijna 9 jaar ago | 3 answers | 0

### 3

answersQuestion

Elemental matrix multiplication [NxN] and [1xn] into [NxNxn]

Hi, I want to multiply every element in *A*[NxN] by every value in *B*[1xn] to get *C*[NxNxn] Current code: for i = 1...

bijna 9 jaar ago | 1 answer | 0