Community Profile

# OCDER

436 total contributions since 2017

View details...

Contributions in
View by

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...

1 year 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...

1 year 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...

1 year ago | 0

| accepted

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...

1 year ago | 0

Unexpected MATLAB expression.

1 year ago | 0

| accepted

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

1 year ago | 0

| accepted

Need to iterate through an array faster

1 year 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...

1 year ago | 0

| accepted

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

1 year ago | 2

| accepted

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...

1 year ago | 0

| accepted

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))]...

1 year ago | 0

| accepted

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...

1 year ago | 1

| accepted

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, ...

1 year ago | 1

| accepted

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...

1 year ago | 0

| accepted

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...

1 year ago | 1

| accepted

normalizing a normal distribution
The normpdf returns the PDF in terms of %. To normalize to fraction, divide the output of normpdf by 100. If you compute PDF fo...

1 year ago | 0

| accepted

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: ...

1 year ago | 0

| accepted

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]; %...

1 year ago | 1

| accepted

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...

1 year 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...

1 year ago | 1

| accepted

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...

1 year ago | 1

| accepted

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...

1 year 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 ...

1 year 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 ...

1 year 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...

1 year ago | 0

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...

1 year ago | 2

| accepted

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...

1 year ago | 0

| accepted

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...

1 year 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 ...

1 year ago | 2

| accepted