# Nathaniel H Werner

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MATLAB

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**Content Feed**

Question

Trouble with MuPad when evaluating symfun at a symbolic variable instead of a number in MATLAB

I created a symbolic function in MATLAB R2021b using this script with the goal of solving an ODE. syms phi(x) lambda L assume(...

11 maanden ago | 1 answer | 0

### 1

answerQuestion

Nx4 Table of randi(1,M) so that the columns are not equal and each number only repeats P times

I need to create an N x 4 table array that where each column contains random integers between 1 and M. However the number of tim...

11 maanden ago | 1 answer | 0

### 1

answerQuestion

Count number of unique symbols in an expression

I'm trying to develop an algorithm that can count how many times each of the syms in a list of parameters (called dimensions sho...

12 maanden ago | 1 answer | 0

### 1

answerQuestion

How to use Camera Toolbar in a MatLab Live Script

Hello, I have a 3D plot made in a live script that I am getting ready to present to my students. In a normal script, I can make...

bijna 2 jaar ago | 1 answer | 0

### 1

answerRemove specific field and "push up" its contents without losing the data.

Looks like something as simple as this works. A = struct2cell(Data); B = A{1}; C = B.Data.s; Data.c1 = C;

bijna 2 jaar ago | 0

| accepted

Question

Remove specific field and "push up" its contents without losing the data.

I am loading a structure into MatLab and I would like to remove a field without losing the contents of that field. I'll explain ...

bijna 2 jaar ago | 2 answers | 0

### 2

answersQuestion

Trouble using atan2 for coordinate transform, maybe recommend other tools.

I am trying to use atan2 on a 2D plane (X,Z) centered at (0,0) to define an angle phi. I know that using atan(Z./X) or atan2(Z,...

ongeveer 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Array size from Stateflow is different after simulation is complete after sending to workspace.

I'm generating a signal that is output from a Stateflow chart in Simulink R2016a. The size of the variable that is ultimately ou...

meer dan 2 jaar ago | 0 answers | 0

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answersQuestion

Where to find Variable Size for output of Matlab function in Simulink

I am working with a Simulink code with a Stateflow chart in R2016a. My code communicates with a real time machine (Speedgoat) th...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Reset timer to zero after leaving a state with a transition action

I am working on a Stateflow block. In it I have a state A. In the block, the state A can transition to B, back to A, from A t...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Multiple X-Axes with separate scales and xlabels

Hello, I am trying to make a figure with two x-axes, and I want each axis to have a separate scale because they represent dif...

meer dan 3 jaar ago | 1 answer | 0

### 1

answerQuestion

Make white portions of slice of flow data transparent

I have created this figure (one of five) with the code (I have edited it for the question) below. I would like to make the wh...

meer dan 3 jaar ago | 1 answer | 0

### 1

answerQuestion

Change portion of text color in matlab label

I know that it is possible to change the color of a label in a figure in matlab from the default black to another color. I have ...

bijna 4 jaar ago | 2 answers | 0

### 2

answersQuestion

Shade the region between a curve and the vertical axis

I have several velocity profiles in a figure, and I've been trying to play around with the area function to try and shade the re...

bijna 4 jaar ago | 1 answer | 0

### 1

answerQuestion

Error using latex in colorbar title

Hello, I'm trying to make my color bar have a title, and I want to give it a math equation. Here is my code. cbh = findall(fh,...

bijna 4 jaar ago | 1 answer | 0

### 1

answerQuestion

Put block behind colorbar

I have several contour plots on a cylinder that I made in MatLab. In some of them the black text from the colorbar is obstructed...

ongeveer 4 jaar ago | 1 answer | 0

### 1

answerintegral of contour plot

You can calculate the circulation using the bounds of a contour in 2018b. I completed this on cylindrical slices for my purpose...

meer dan 4 jaar ago | 0

Question

Draw contourslice on patch surface

I am trying to get the XData and YData on a contourslice in matlab. I want this contourline to be on a patch that I have already...

meer dan 4 jaar ago | 1 answer | 0

### 1

answerQuestion

Plotting semilogy on two axes covering the same range, one side is log the other is not.

I'm trying to make a figure with two vertical log axes, and the horizontal x axis still be linear. I need to compare plots who c...

meer dan 4 jaar ago | 1 answer | 0

### 1

answerQuestion

Problem solving system of nonlinear equations with fsolve trying to change inputs

I am trying to solve a system of six nonlinear equations using fsolve (see below). There are additional parameters in my equatio...

meer dan 4 jaar ago | 0 answers | 0

### 0

answersQuestion

How to grab field data from the intersection of two slices

Hi, I have velocity field data in a NxMxP array, and I would like to find the values of the data at the intersection of two sur...

bijna 5 jaar ago | 0 answers | 0

### 0

answersQuestion

Getting 'Argument must contain string error' error when saving, it's always worked before

Here is a short piece of my code. queue = '\Q0'; Case = '\02'; path = 'D:\Data'; folder4Mfiles = strcat(path,'\Raw',queue,Ca...

bijna 5 jaar ago | 1 answer | 0

### 1

answerQuestion

interp and interp3 give different size arrays

If I start with the following two arrays x0 = 1:100; y0 = 1:80; z0 = 1:100; and I make a mesh grid with them [...

ongeveer 5 jaar ago | 1 answer | 0

### 1

answerQuestion

Draw contour data on slice with a patch

I'm having trouble making a contour of my volume data on a plane with specified coordinates designed for patch. I have 5 slic...

ongeveer 5 jaar ago | 0 answers | 0

### 0

answersQuestion

Replace portion of array with another array of different size

I have this grid A = 0:0.01:1; And I want to refine the grid but only in a small part where some interesting things happ...

ongeveer 5 jaar ago | 1 answer | 0