Answered
ERROR using plot. Vectors must be same lenght.
you appear to have two errors on that plot line: 1) ab_sym is a symbolic expression - did you mean to exclude this? 2) what ...

6 years ago | 0

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Answered
Removing invalid results knowing the trend
From what you say, it sounds like your valid rule is that if the reported angle is invalid if it is less than the previous value...

6 years ago | 0

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Answered
running matrix in a loop to produce another matrix
This code will loop over each row of Z and put the results into w. I'm not sure what you want to do with each row. z = [1 1 ...

6 years ago | 0

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Answered
Plotting geo track over a map
you can use plotm to plot lat,long data onto a map axis. But there is a file exchange file that is optimized for plotting data ...

6 years ago | 1

Answered
Using maximum of optimisation variable as an upper bound for another variable
you can do a bounded obtimization using this file from filecentral: fminsearchbnd

6 years ago | 0

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extraction of text region in an image
Matlab OCR does this See: OCR ref

6 years ago | 0

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ODE Error: "Array indices must be positive integers or logical values"
You are calling bdipuniodefun(t,s) with s having values of 0 (values from icv). Your program then attempts to index to the "0" e...

6 years ago | 0

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I want to solve multivariable equation
This is how you would sove this: syms x y r a b eqn =(x/y*((1+(r-1)/2*y^2)/(1+(r-1)/2*x^2))^((r+1)/2*(r-1))) == a/b sol...

6 years ago | 0

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Saving matrices inside a loop for each iteration
You are not preallocating those variables. If you do that, you will get a significant increase in speed. In some situations, I h...

6 years ago | 0

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How to plot data samples in three dimensions?
you can use plot3. Let the row be y, time be x, and n be z. You will get a plot, but it won't be nice like what you show, as a r...

6 years ago | 0

Answered
How can I generate an array that keeps all the values related to specific indices keeps the zero as reference value?
The following code does what you want for the values you gave as examples hope this helps, --ted y=[2 1 3 5 4] x=[ -2 -1 0 1...

6 years ago | 0

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Answered
HI, I have a question regarding histogram plots in matlab
Yes, use the optional edged arguement of histogram. you can see more here: histogram doc edges = [1:9 10]; h = histogram(...

6 years ago | 0

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Answered
Passing in a function as an argument
you use the "@" character to pass a function, not the output of a funcitn. This looks like this: function main clc testCode...

6 years ago | 8

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How to calculate the middle point between two points on the Earth in matlab?
There is a built in function in the matlab mapping toolbox that does what I think you are looking for: meanm Mean location of...

6 years ago | 2

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Spikes when saving matlab figure as pdf
This is a MATLAB bug, and has been happening for a few years. It drives me crazy. For some discussion on this, and a workaround,...

7 years ago | 1

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how to draw multiple patches with different number of vertices?
Sometimes when I run into this class of problem, I find that the polyshape tool is the answer. For example, if I want to plot tw...

7 years ago | 0

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I need to calculate lat and long for other point. Given one lat long and bearing.
The Matlab function <https://www.mathworks.com/help/map/ref/reckon.html reckon> is what you are looking for. For plotting the tr...

7 years ago | 1

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How do I add commas to numbers using fprintf?
you can do this in two lines. from <https://www.mathworks.com/matlabcentral/answers/96131-is-there-a-format-in-matlab-to-display...

7 years ago | 9

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Is there a format in MATLAB to display numbers such that commas are automatically inserted into the display?
A simple way is to add this two line function: function numOut = addComma(numIn) jf=java.text.DecimalFormat; % comma ...

7 years ago | 18

Answered
how do i make a full text area scroll up when i add more text?
I had the exact same issue. My crude work around was to add the new text to the start rather than the end of the text block. As ...

7 years ago | 1