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# Chris

##### Last seen: 7 months ago
55 total contributions since 2011

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Question

Is there a way to bring data in from a JSON API
There are two API's I would love to bring data into Matlab. What's the easiest way to bring in data from the polygon.io api http...

7 months ago | 1 answer | 0

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Question

Bring in data form polygon.io api or tradier API?
Good day curious what is the easiest way to bring in data from the polygon.io api https://polygon.io/docs/ and/or tradier api ht...

7 months ago | 0 answers | 0

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Question

Plot multiple lines in 3d using x,y,z start point and x,y,z end point
Good day wondering if someone can point me to a couple exampls how I can take a data set with an x,y,z value for the start of a ...

7 months ago | 1 answer | 0

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Question

Plot lines in 3d similar to this
Is there a way to plot multiple lines on a 3 axis similar to https://plotly.com/python/3d-line-plots/

7 months ago | 1 answer | 0

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Question

How can I make a dynamic matrix
Is there a way to store a calc in a dynamic matrix. For example I would like to store values for each price to the nearest .01 S...

1 year ago | 0 answers | 0

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Question

How to plot data from iqfeed
What's the easiest way to plot data from iqfeed. I think the iqfeed results in a timeseries

2 years ago | 1 answer | 0

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Question

Getting error Undefined function or variable 'iqf' with datafeedtoolbox
When I run the command >> c = iqf(username,password) Undefined function or variable 'iqf'.

2 years ago | 1 answer | 0

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Question

Way to plot multiple lines in 3d specifying start and end point?
Is there a way to plot multiple lines on 3 axis and specify the start and end point This is a crude example but something like ...

2 years ago | 1 answer | 0

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IQFeed: plot return from array of cells?
Any update on this or same problems?

2 years ago | 0

Question

PLOT MULTIPLE LINES 3 ACCESS
If I have data such as Date Price Quantity 12/8/2018 9 ...

2 years ago | 0 answers | 0

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Question

What data does the matlab iqfeed time series function return?

7 years ago | 1 answer | 0

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Question

I am getting these errors after running a parfor loop for an extended period in time at java.awt.EventDispatchThread.pumpOn...

8 years ago | 1 answer | 2

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Question

Have to run restoredefaultpath everytime restart parfor loop
Not sure why I have to do this but this started happening recently. Does this make any sense?

8 years ago | 1 answer | 0

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Question

Getting java.lang.outofmemoryerror:Java heap Space 2011a 7.12.0
The last few days I have been getting. My computer is an i7 with 16gb of memory ??? Error using ==> parallel_function at 598...

8 years ago | 0 answers | 0

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Question

Way to know status of parfor loop without printing to command window or saving to file?
I would like to know the status of a parfor loop. I find printing to the command window much faster than writing to a file. Unfo...

8 years ago | 1 answer | 0

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Question

Way to save results to a file inside a parfor loop
Within a parfor loop I would like to record the results to a file. There are chances of simultaneous writes, is this possible. I...

8 years ago | 1 answer | 0

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Question

Any way to have the sstatus of a for loop display lower corner
I know I can have the status of a for loop display in the command window however unfortunately my for loop produced results that...

8 years ago | 0 answers | 0

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Many Java erros under Windows 7 using "Windows 7 basic" theme.
I disabled user account control, went to the windows classic scheme and same problem. As soon as I remoted into my computer via ...

8 years ago | 0

Way to pass to a function a random variable based on array
Thanks, I guess I am a little confused though how to do. So for example I have an array called TeamNames that contains all of...

8 years ago | 0

Question

How to display a number as \$xxx,xxx.xx or even xxxx.xx rather than -4.8e-001
I have a disp command that returns the status num2str(total,'%i') For some reason it is returning the totals as -4.80...

8 years ago | 3 answers | 0

### 3

Many Java erros under Windows 7 using "Windows 7 basic" theme.
I also noticed that it tends to happen a lot when I am running something else java related. I use logmein and it seems to happen...

8 years ago | 0

Many Java erros under Windows 7 using "Windows 7 basic" theme.
I get the same think and I am using the latest b version with windows 7 . I am not sure why but it seems to happen when I have a...

8 years ago | 0

Question

Way to pass to a function a random variable based on array
I have a list of variables in my workspace as a string array. I want to call a function to test every combo Unfortunately whe...

8 years ago | 2 answers | 0

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Question

Whats the best command to write to file inside parfor loop?
I want to write results to a file within a parfor loop and ideally append the results. What is the best command that can handle ...

8 years ago | 5 answers | 0

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Question

Is there a way to have load command return data in format other than struct?
When I do abc = load('abc.mat','VAR1') the data loads as a structure even though VAR1 is a financial time series. How can I have...

8 years ago | 1 answer | 0

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Question

Renaming a financial time series taking a long time
Right now I have newfts = oldfts to change the name of the financial time seris but there is a good few second pause when thi...

8 years ago | 0 answers | 0

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Question

Any way to have a function return a variable dynamically
I want a function to return a variable with a dynamic name so returns variable mar19 for today. Is this possible

8 years ago | 1 answer | 0

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Question

Is there a way to save a variable created in a function to the workspace?
I have a variable being created in a function and want to save in the workspace so the command window can access.

8 years ago | 3 answers | 0

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Question

Parfor loop and eval statement
I have a parfor loop but have a eval statement basically importing stats from data files on my c drive into a list of variable n...

8 years ago | 2 answers | 0

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Question

Function to format number as currency?
I would like to format the number as a \$xxx,xxx,xxx.xx currency, what is the easiest way to do this?

8 years ago | 6 answers | 2