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# tf.math.exp

Computes exponential of x element-wise. $$y = e^x$$.

This function computes the exponential of the input tensor element-wise. i.e. math.exp(x) or $$e^x$$, where x is the input tensor. $$e$$ denotes Euler's number and is approximately equal to 2.718281. Output is positive for any real input.

x = tf.constant(2.0)
tf.math.exp(x)
<tf.Tensor: shape=(), dtype=float32, numpy=7.389056>

x = tf.constant([2.0, 8.0])
tf.math.exp(x)
<tf.Tensor: shape=(2,), dtype=float32,
numpy=array([   7.389056, 2980.958   ], dtype=float32)>


For complex numbers, the exponential value is calculated as $$e^{x+iy}={e^x}{e^{iy} }={e^x}{\\cos(y)+i\\sin(y)}$$

For 1+1j the value would be computed as: $$e^1{\\cos(1)+i\\sin(1)} = 2.7182817 \\times (0.5403023+0.84147096j)$$

x = tf.constant(1 + 1j)
tf.math.exp(x)
<tf.Tensor: shape=(), dtype=complex128,
numpy=(1.4686939399158851+2.2873552871788423j)>


x A tf.Tensor. Must be one of the following types: bfloat16, half, float32, float64, complex64, complex128.
name A name for the operation (optional).

A tf.Tensor. Has the same type as x.

#### Numpy Compatibility

Equivalent to np.exp

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