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Plotting with four y-axes in the same figure, with multiple datasets against one of the y-axes
While there are a lot of FEX options out there, I really think it's easier to manually control things once you start playing aro...

9ヶ月 前 | 2

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How do I create a 2d surface plot for a function of x and y?
Change fxy = sin(x).*cos(y) to fxy = sin(xm).*cos(ym)

9ヶ月 前 | 1

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Plotting contourf with discrete x axis
The contour function always assumes your input data are points on a surface that can be linearly interpolated between. To get a...

9ヶ月 前 | 1

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what does the string #ok<NASGU> mean in the code editior
That code disables the Code Analyzer from suggesting changes to the syntax. Specifically, <NASGU> refers the the ID associated ...

約1年 前 | 1

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How to combine all columns of an array into one column?
Are the values in A always going to be less than 10? If not, what answer do you want? I see two possibilities; treat each valu...

約1年 前 | 0

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(mapping toolbox) Map axes xdata, ydata and zdata meaning?
Map axes apply a geographic transform to convert the geographic coordinates to the projection used by the map axis. You can per...

約1年 前 | 2

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cut out section of x axis
Rather than shifting data and manually overriding tick labels, I prefer to use multiple axes to achieve breaks like this. The a...

約1年 前 | 4

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Plotting X, Y cordintions with a line short line that indicates the angle
With quiver, the u and v arguments represent the horizontal and vertical components of the arrow you want to draw. You can calc...

約1年 前 | 1

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How can I assign several values from cell-array tovariables?
I think you'll need to use a quick intermediate variable so you can convert the numeric array to a comma-separated list: tmp = ...

約1年 前 | 1

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How to use animated line
A couple notes here... First, plotting a graph object creates a GraphPlot object, not a line, so it can't be used (out of the b...

1年以上 前 | 1

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Creating a graph with both descending and ascending x-axis and one y-axis
Does this do approximately what you want? ax(1) = axes('position', [0.1 0.1 0.4 0.8], 'box', 'off', 'yaxisloc', 'left', 'xdir',...

1年以上 前 | 1

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Colour range in a surfplot
By default, a surf plot uses faceted shading, which means that each face is a solid color, determined by a single vertex in that...

1年以上 前 | 5

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How to change the origin from (0,0) to different coordinates in a plot
You don't need to move the axis; you need to provide x-values for your data. Right now, you're using the ydata-only option for ...

1年以上 前 | 0

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I got "The expression to the left of the equals sign is not a valid target for an assignment."
As others have pointed out, i is already assigned the value you want by default. But assuming it weren't, the proper way to ass...

1年以上 前 | 0

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Create a Matrix with Specific Pattern for Changing Values
Create a grid of values, then unwrap: xval = [-3*pi/4 -3*pi/8 0]; [a,b,c] = ndgrid(x,x,x); x = [c(:) b(:) a(:)]

1年以上 前 | 0

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How do I insert multiple vectors as diagonals in the same matrix?
You're close... you just need to add the matrices together: A = diag(v,1) + diag(v,-1) + diag(v1,0)

1年以上 前 | 0

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How to concentrate matrices of different row length (same column length) into one matrix by unfolding each of the matrices to the smallest row length conatining numbers not nan
Do any of your matrices have non-trailing blank/all-NaN lines that you want to preserve? Or are you just trying to strip out th...

1年以上 前 | 2

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find the shortest path
Take a look at graph and digraph objects; the shortestpath function provides several different algorithms to calculate this for ...

1年以上 前 | 2

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how to use color sets in maps by defining intervals in matlab (for example: lower than 10 , between 10 and 50 , between 50 and 200, between 200 and 1000, greater than 1000). thanks
What are you trying to do with those color intervals? Create a colorbar? Or perhaps a contour plot? If the latter, you can tr...

1年以上 前 | 1

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Remove data elements of the legend from figure
Technically, you can delete parts of a legend, but I only know how to do it via code, not via to UI. I should mention that us...

1年以上 前 | 1

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How to plot four subfigures in one figure? Rather than subplot
I think the only slightly difficult part of this would be the modified x-ticks. When I create adjacent axes like this, I prefer...

1年以上 前 | 1

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Matrix dimension does not agree when using .*
When you calculate Y = diff(X,n) where X is a vector, Y will have length length(X)-n. So you need to adjust X accordingly wh...

1年以上 前 | 0

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How to display the data points on my graph?
Add a hold after your scatter plot: scatter(rand(10,1), rand(10,1)); hold on fplot(@(x) x, [0 1])

1年以上 前 | 0

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Plot a drawn, filled shape at each data point
A single multi-faceted patch will render more quickly than lots of individual rectangles. And this option allows your marker to...

1年以上 前 | 0

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Why am I getting the error "Array indices must be positive integers or logical values."?
My guess is you have a variable named eig sitting in your workspace. So when you try to call the eig function, the variable is ...

2年弱 前 | 5

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Why does Matlab say my function is undefined?
If you strip out most of the commands, the main structure of your code looks like this: n=input('Enter an integer for two, th...

約2年 前 | 0

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netcdf reading parameters "Error using double Out of memory. Type HELP MEMORY for your options"
What does the ncdisp command tell you about the variable sizes? Just paste the output of the following: ncdisp('dataset-oc-med...

約2年 前 | 2

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Why does this data file cause Matlab to lock-up?
This is just a guess, but... Did you have a script named TrajData.m open in the editor at the time you first made the typo? Mat...

約2年 前 | 1

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attach a field to a shapefile and plot it
Do you need to actually add a new field to the shapefiles themselves? Or just add it to the read-in structure in Matlab? If ...

約2年 前 | 2

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How can I write an unformated string to file, i.e., without interpreting % and any other special characters
You can pass the string as a parameter to a simple '%s' formatter, rather than using the string itself as a format: >> fpri...

約2年 前 | 1

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