Are there any equations in identifying the magnetic flux density of a ferromagnetic magnet at a certain distance (for example, a neodymium magnet has a magnetic flux density of 5.31 miliTesla at
![Plot of magnetic field strength vs distance from a magnet pole for a... | Download Scientific Diagram Plot of magnetic field strength vs distance from a magnet pole for a... | Download Scientific Diagram](https://www.researchgate.net/publication/326223106/figure/fig2/AS:645235247960064@1530847479789/Plot-of-magnetic-field-strength-vs-distance-from-a-magnet-pole-for-a-single-N52-neodymium.png)
Plot of magnetic field strength vs distance from a magnet pole for a... | Download Scientific Diagram
![Change in magnetic field strength as a function of distance from the... | Download Scientific Diagram Change in magnetic field strength as a function of distance from the... | Download Scientific Diagram](https://www.researchgate.net/publication/336149962/figure/fig2/AS:809060504969247@1569906464910/Change-in-magnetic-field-strength-as-a-function-of-distance-from-the-permanent.jpg)
Change in magnetic field strength as a function of distance from the... | Download Scientific Diagram
![3D-Spatial encoding with permanent magnets for ultra-low field magnetic resonance imaging | Scientific Reports 3D-Spatial encoding with permanent magnets for ultra-low field magnetic resonance imaging | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-018-37953-1/MediaObjects/41598_2018_37953_Fig1_HTML.png)
3D-Spatial encoding with permanent magnets for ultra-low field magnetic resonance imaging | Scientific Reports
![How should the magnetic force between two magnets be calculated effectively? - Physics Stack Exchange How should the magnetic force between two magnets be calculated effectively? - Physics Stack Exchange](https://i.stack.imgur.com/c2L3G.png)