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**Content Feed**

Comparing common strings in two large string arrays imported from excel (using xlsread)

%Generating a demo cell array C = cell(10000, 2); for j = 1:numel(C) C{j, 1} = sprintf('STRR %d', j); C{j, 2} = spri...

ungefär 5 år ago | 0

Switch-case problem

ibw wasn't defined if gender is not '1' or '2', which are char. You want gender to be a double of value 1 or 2. Here's a fix. s...

ungefär 5 år ago | 0

Code only works in the command window

Looks like your while loop counter index, k, is going above the row count of matriz. For instance, check these simpler codes out...

ungefär 5 år ago | 0

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Attempt to grow array along ambiguous dimension.

A = zeros(3, 3, 3); % There are 27 elements in A in a 3x3x3 matrix A(3^3+1) = 1; %ERROR: Attempt to grow array along ambiguous...

ungefär 5 år ago | 3

Unexpected MATLAB expression.

function [header, time, xyz, light, button, prop_val] = read_bin('CGGM.bin', varargin) ...

ungefär 5 år ago | 0

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Auto-code friendly functions

You'll need to look through these supported Matlab functions for automatic code generation. https://www.mathworks.com/help/code...

ungefär 5 år ago | 0

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Need to iterate through an array faster

Do not use read. Use readFrame instead, since read will re-read everything from beginning to end. i = 1; while hasFrame(vidObj...

ungefär 5 år ago | 1

Simplifying a "if" statement that checks there is at most one vector

a = [1 0 0 1]; b = [2 2 1 2]; c = 4; if sum(~cellfun(@isscalar, {a b c})) > 1 %You have more than 1 non-scalar fprintf...

ungefär 5 år ago | 0

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How to set the whole values in the "y" axis?

https://www.mathworks.com/matlabcentral/answers/398481-how-do-i-remove-scientific-notation-from-x-y-axes-on-plotted-data See po...

ungefär 5 år ago | 2

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Is anyone out there using Matlab in the arts?

I believe the issue is that the Matlab Compiler license is many thousands of dollars... Plus, Stuart probably needs the other to...

mer än 5 år ago | 0

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Simpler code for aggregating data by sum

A=[4 0.5;4 0.25;1 0.125; 2 0.2;4 0.6;3 0.2; 1 2/3; 2 1; 2 1/16;4 0.5] Results = [unique(A(:, 1)), accumarray(A(:, 1), A(:, 2))]...

mer än 5 år ago | 0

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Does using my laptop while running MATLAB influence performance

Yes, if your browser and other OS are using a lot of resources. Computer resources are limited, hence, if other non-Matlab progr...

mer än 5 år ago | 1

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Question about concatenation in for-loop

Instead of cat, use repmat for your case, as you're repeatedly stacking a matrix in a dimension. B = rand(2, 5) C = repmat(B, ...

mer än 5 år ago | 1

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control of switch button with another switch button

function test Gx = uifigure('Position',[100 100 350 275]); % Create switch1 UI1 = uiswitch(Gx, 'rocker',... 'Tag', 'sw...

mer än 5 år ago | 0

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GPU and CPU code: How to do?

Depending on how your codes are structured, try to decide early on whether to use gpuArray or regular array. Most Matlab built-i...

mer än 5 år ago | 1

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Can anyone give me the exact statement I must use to prevent this additional line from coming between the plot extremities?

Seems like your X values are not sorted, causing the lines to loop around. To fix, sort your X and Y values. See example below: ...

mer än 5 år ago | 0

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How to vectorize a matrix?

%Starting input M = reshape(1:90*12, 90, 12); %your 90x12 lookup matrix X = [0 1 3 4 89]; %input X lookup Y = [0 1 3 5 11]; %...

mer än 5 år ago | 1

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Running a function script

To debug a function that is part of a larger set of codes, perhaps you should use debugging features such as code breaks and dbs...

mer än 5 år ago | 0

How do I convert a CSV formatted string to a table or timetable?

NEW ANSWER Try a variation of this, where your CSV-formatted string is directly read and converted to a table. TextStr = ['ti...

mer än 5 år ago | 2

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How to make multiple variables equal a class?

Try the following testGame.m to see how to use object-oriented programming in Matlab. You'll need to define classes via classdef...

mer än 5 år ago | 1

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Why is my program not being coverted into an application properly specifically the sound doesn't start playing in the converted program

Seems like you are using relative paths. When using deployed application, the paths are different. Use absolute paths. functio...

mer än 5 år ago | 0

Unusual NaN appearing from a loop

It seems that you are taking the median of an empty number %EXAMPLE data = [1 2 3]; Quart2 = 4; Quart1 = median(data(Quart2 ...

mer än 5 år ago | 0

Can anybody plz explain this code,specifically the 5th line..

An image is often represented as a MxNx3 matrix, where each element of a matrix is a uint8 value ranging from 0 to 255 (this is ...

mer än 5 år ago | 1

How to determine if a cell has numeric data?

% checkCellForNum will look at each element of a cell array to look for numeric % elements. Returns a logical array of 1 f...

mer än 5 år ago | 1

What's the code Intelligent water drop algorithm

Look up "intelligent water drops algorithm" on the search engine. I got the 1st hit as the pdf. I couldn't find a matlab ve...

mer än 5 år ago | 2

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My code keeps telling me with an error "Index Exceeds Array Bounds" HELP PLEASE

At line 54: * You cannot read a .xlsx file properly via |fopen|. Use |xlsread| instead. * You should define "Path" variable...

mer än 5 år ago | 0

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How to find mean of cells?

You should consider extracting your variables out from cell arrays to simple matrices. Then you can use |nanmean|. Here are some...

mer än 5 år ago | 0

Call subfunction many times: Nested or local

In-line codes are normally fastest, but you should use local function if: * it is going to be used ONLY by the main function ...

mer än 5 år ago | 2

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printing matching lines of text from a text file

This looks like a bad approach. If your input file uses a 3-digit degree, then all your values are ruined. lat_deg = str2...

mer än 5 år ago | 0

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How to find size of CellArray in mex c++?

To get the size of the cell array, use *|mxGetM|* for number of rows, *|mxGetN|* for number of columns, or *|mxGetNumberOfElemen...

mer än 5 år ago | 0